Education Calculators
GPA, grades, test scores and study planning.
GPA Calculator
Calculate your GPA from a pasted course list — letter grades, percentages or grade points — on 4.0, 4.3, 4.33, 5.0 or 10-point scales, with Honors/AP weighting, cumulative GPA and the GPA you need to hit a target.
Weighted Grade Calculator
Combine any number of graded categories — percentages, points like 45/50 or letter grades — into one weighted course grade, see your grade so far, and the score you need on what is left.
Final Grade Calculator
Find the score you need on the final exam for your target grade — plus the score needed for every letter grade, to pass, your course grade for any final score, and a points-based mode.
Test Score Calculator
Turn correct (or wrong) answers out of total questions into a percentage and letter grade, with a full grading table for every number wrong, the most you can miss for each letter, negative marking, unanswered questions, custom grading scales and a whole-class mode for teachers.
Letter Grade Calculator
Convert a percentage or a points score (like 44/50) to a letter grade on the plus/minus, A+, 10-point, 7-point, UK, Indian 10-point or your own custom scale — with GPA points, distance to the next letter and the full table.
Attendance Calculator
Check your attendance percentage and how many classes you can still miss — or must attend — to stay above the required minimum.
Cumulative GPA Calculator
Merge this term’s GPA into your running GPA to see your new cumulative average and how much it moved.
High School GPA Calculator
Turn your semester letter grades into a weighted high school GPA, with honors and AP courses adding the usual quality-point bumps.
College GPA Calculator
Compute your college GPA on the 4.0 scale from a list of letter grades and their credit hours, credit-weighted the way registrars do it.
Semester GPA Calculator
Find this semester’s GPA from the letter grades and credit hours of the courses you took this term, on the standard 4.0 scale.
Grade Needed on Final Calculator
Find the exact score you need on the final exam to hit your target course grade, from your current grade and the final’s weight.
Exam Grade Needed Calculator
Pick the final letter grade you want and see the exam score it takes to get there, from your current average and the exam’s remaining weight.
GPA to Percentage Calculator
Convert a 4.0 or 5.0-scale GPA into an approximate percentage and letter grade using the common US conversion table.
Percentage to GPA Calculator
Convert a percentage or a mark out of any total to a 4.0-scale GPA and letter grade. Pick the US plus/minus table, the College Board scale, flat 10-point bands, a WES-style scale or the India ÷ 9.5 rule, compare all scales side by side, or paste several courses for a credit-weighted GPA.
Class Rank Percentile Calculator
Turn your class rank and class size into a percentile and a "top X%" figure the way colleges read it.
Study Time Calculator
Estimate the weekly study hours your course load calls for using the hours-per-credit rule, adjusted for online classes and short summer terms, with a per-course and per-day plan and a 168-hour weekly time budget.
Reading Speed Calculator
Measure your reading speed in words per minute from a timed passage, then see how long a full book at that pace would take.
Weighted Grade Average Calculator
Combine category scores and their weights into one weighted grade — enter homework, quiz, and exam scores with their percentages as simple lists.
ECTS Credit Calculator
Estimate the European ECTS credits and study hours that match a load of US semester credit hours, for study-abroad and transfer planning.
Percentage Grade Calculator
Turn points earned out of points possible into a percentage grade and letter, with partial-credit support.
Points-Based Grade Calculator
Add up every assignment’s points earned and points possible to get your points-based course grade and letter — enter five rows or paste the whole gradebook, add extra credit, drop the lowest scores, and see what you need on the points still to come.
Final Exam Grade Needed Calculator
Work out the exact final-exam score you need to hit your target course grade, given the exam’s weight.
Semester GPA From Letter Grades Calculator
Enter this semester’s letter grades and credit hours to get your term GPA on the 4.0 scale.
Cumulative GPA Update Calculator
Blend a new term into your running GPA to see your updated cumulative average and how far it moved.
GPA to Percentage Converter
Convert a GPA on the 4.0 or 5.0 scale into an approximate percentage and letter grade.
Curve Grade Calculator
See your curved grade three common ways — top-score bump, proportional scaling and the square-root curve.
Attendance Percentage Calculator
Find your attendance percentage from total classes and absences, and how many more you can miss.
Rubric Score Calculator
Turn rubric levels into a grade: 2 to 8 criteria, each with its own score, maximum and weight, converted by straight percentage, the Moodle/Totara lowest-level adjustment or a floor scale (so a low level is not an automatic F), with letter grade, gradebook points, the gap to the next grade and a criterion breakdown.
Study Hours Per Credit Calculator
Estimate weekly, daily and full-term study time from the hours-per-credit rule — per course if you list them, with extra time for demanding courses, class time, a 168-hour week budget and a comparison of study ratios.
Assignment Reading Time Calculator
Estimate how long a reading assignment takes from its page count, words per page and your reading speed.
Pass/Fail Threshold Calculator
Check whether your marks clear the passing threshold and how many marks you are above or below the line.
College Tuition Total Calculator
Add tuition, fees, room and board and books across every year to get the full sticker price of a degree.
529 Savings Goal Calculator
Find the monthly 529 contribution needed to reach a college savings goal, given your head start, years and return.
Student Loan Monthly Payment Calculator
Calculate the fixed monthly payment, total repaid and total interest on a student loan from its balance, rate and term.
Cost Per Credit Hour Calculator
Break tuition down to a per-credit-hour price so you can compare schools and price out a single course.
Scholarship Gap Calculator
Subtract grants, scholarships, savings and work income from the cost of attendance to see the funding gap you must cover.
Grade To Raise GPA Calculator
Find the GPA you must earn next term to lift your cumulative GPA from where it is now to your target.
Weighted vs Unweighted GPA Calculator
Compare your unweighted GPA with the weighted version that adds honors and AP bonus points, side by side.
Class Average Calculator
Enter each student’s score to get the class average, high, low and how many scored above the mean.
Bell Curve Grade Calculator
Turn a raw score into a curved letter grade using the class mean and standard deviation on a normal curve.
Reading Level Time Calculator
Estimate how long a text takes to read at typical words-per-minute rates for each grade and reading level.
Homework Time Estimate Calculator
Estimate nightly and weekly homework time from your subjects and minutes each, and compare it to the 10-minute rule.
Graduation Timeline Calculator
See how many semesters and years are left to graduate and the term you finish, from your credits, load, summer classes, transfer credits and pass rate, plus the load you need to graduate by a target date.
SAT Superscore Calculator
Combine your best Evidence-Based Reading & Writing and Math section scores across every SAT sitting into one superscore.
ACT Composite Score Calculator
Average your English, Math, Reading and Science section scores to find your ACT composite out of 36.
SAT to ACT Score Converter
Convert an SAT total to an equivalent ACT composite, or an ACT composite back to an SAT total, using the official concordance.
High School Credits to Graduate Calculator
See how many credits you still need to graduate high school, how many to earn each semester, whether your class schedule can fit them, credits needed by subject, and credit-recovery classes to plan.
GPA Needed for Honor Roll Calculator
Find the GPA you must earn on your remaining credits to lift your cumulative GPA to the honor roll cutoff — plus the higher honors tier, the best GPA you can still reach, the credits of A’s it would take and a grade mix that works.
Dean's List Eligibility Calculator
Check whether your term GPA and credit load meet your school's dean's list requirements, and by how much.
Weighted GPA with AP/Honors Bonus Calculator
Add honors and AP/IB grade bonuses to your unweighted GPA to see your weighted GPA on the boosted scale.
Class Rank Estimate Calculator
Estimate your numerical class rank from your GPA and your class's average GPA and spread using a normal-curve model.
Test Percentile to Score Calculator
Convert a percentile rank (or a top-X% cut-off) into the test score that matches it from the mean and standard deviation, or a score back into its percentile, with z-score, stanine, IQ, T-score, scaled-score and NCE equivalents, a percentile table and a bell-curve chart.
Score Needed on Next Test Calculator
Find the score you need on your next test to raise your average to the target you want.
Letter Grade from Percentage Calculator
Turn a percentage into its letter grade and 4.0-scale GPA points on the standard plus/minus grading scale.
Grade Improvement Projection Calculator
Project your final course grade from your current standing and the score you expect on the work that remains.
GRE Score Percentile Calculator
Enter your GRE Verbal and Quant scaled scores to see your total and approximate percentile rank for each section.
GMAT Total Score Estimator
Estimate your 200–800 GMAT total score from your Verbal and Quantitative scaled section scores.
LSAT Score to Percentile Calculator
Convert your 120–180 LSAT score into an approximate percentile rank among recent test takers.
MCAT Total Score Calculator
Add your four MCAT section scores into a 472–528 total and see its approximate percentile rank.
IELTS Band Average Calculator
Average your four IELTS skill bands into an overall band score using the official half-band rounding rule.
TOEFL iBT Total Score Calculator
Work out your TOEFL iBT overall score on the 1–6 band scale used since 21 January 2026 (average of four sections, rounded to the nearest half band) or your 0–120 total for older tests, with the ETS conversion between the two scales, CEFR level, an approximate IELTS equivalent and a check against a university’s minimum total and section scores.
AP Score College Credit Estimator
Estimate whether an AP exam score earns college credit and the tuition dollars that credit is worth.
Percentage to 4.0 GPA Calculator
Convert a percentage grade to a US 4.0-scale GPA and letter grade on the plus/minus, A+ (4.0 or 4.3), College Board, 10-point or 7-point scale — with Honors (+0.5) and AP/IB (+1.0) weighting, marks out of any total, a full conversion table and a credit-weighted GPA for several courses.
Study Plan Hours-to-Exam Calculator
Turn the material you must cover and days left before an exam into the study hours you need per day.
Spaced Repetition Schedule Calculator
Build an expanding spaced-repetition review schedule with dates from a start day, first interval and ease multiplier.
Flashcards Per Day Calculator
Work out how many new flashcards to add each day to finish a deck by your deadline, plus the daily review load.
Exam Readiness Score Calculator
Combine syllabus coverage, practice-test average, study progress and confidence into a 0–100 exam readiness score.
Grade Weighting by Category Calculator
Combine your homework, quiz, exam and project averages by their syllabus weights into one true course grade.
Standards-Based Grade to Letter Calculator
Convert a 4-point standards-based proficiency score into an approximate percentage and traditional letter grade.
IB Diploma Total Score Calculator
Add your six IB subject grades and the Theory of Knowledge / Extended Essay core points into a total out of 45.
A-Level UCAS Points Calculator
Add up your UCAS Tariff points from A levels, AS levels, the EPQ, BTEC Nationals, T Levels, Core Maths, Scottish Highers and Advanced Highers, IB certificates and music grades — with a points breakdown, your best-three total and a check against common offers.
Percentile to Stanine Calculator
Convert a percentile rank into its stanine (1–9) score using the standard normal-curve boundaries.
Raw Score to Scaled Score Calculator
Convert a raw test score into a scaled score with a simple linear equating between the two ranges.
KR-20 Test Reliability Calculator
Estimate the internal-consistency reliability of a dichotomous test with the Kuder–Richardson KR-20 formula.
Item Difficulty & Discrimination Calculator
Item analysis for one test question: difficulty index (p) from all students or the upper and lower groups, discrimination index D with unequal group sizes, the highest D the item could reach, optional point-biserial correlation, chance level for multiple-choice items and a keep / review / revise verdict.
Essay Word Count to Pages Calculator
Estimate how many pages your essay will fill from its word count, line spacing, font, font size, paper size and margins — or how many words you need to fill a set number of pages — with lines per page, reading and speaking time, and a words-to-pages table.
Paper Citation Count Calculator
Estimate how many sources and citations a paper of a given length typically needs for your discipline.
Thesis Timeline Planner Calculator
Split the weeks until your thesis deadline into proposal, research, analysis and writing phases with target dates.
Tuition Per-Credit vs Flat-Rate Calculator
Compare paying tuition per credit hour against a flat full-time rate and find the break-even course load.
PSLF Progress Calculator
Track your progress toward Public Service Loan Forgiveness — how many of the 120 qualifying payments remain, when you finish and how much could be forgiven.
Income-Driven Repayment Estimate
Estimate your federal student-loan payment under RAP, IBR, PAYE and ICR with 2026 rules and poverty guidelines — compare plans side by side, with spouse income, dependents, total paid, forgiveness and PSLF.
Loan Interest Capitalization Calculator
See how much unpaid student-loan interest capitalizes onto your principal — and how much extra interest that larger balance costs you every year afterward.
College Net Price Calculator
Find the real net price of a college after grants and scholarships — the number that actually matters, not the sticker cost of attendance.
Expected Family Contribution Calculator (Student Aid Index 2027–28)
Estimate your Student Aid Index (SAI) — the FAFSA figure that replaced the Expected Family Contribution — with the official 2027–28 federal formula for dependent and independent students, plus your estimated Pell Grant and financial need.
Work-Study Earnings Calculator
Estimate your federal work-study earnings from your wage and weekly hours, and see how fast you would reach your total award cap.
Scholarship Stacking Calculator
Add up stacked scholarships and other aid against your cost of attendance to see remaining cost — or whether you have an over-award to resolve.
AP/CLEP Tuition Savings Calculator
Turn AP and CLEP exam credits into dollars saved — the college tuition those credits replace, minus the exam fees you paid.
Dual Enrollment Savings Calculator
Compare cheap dual-enrollment credits earned in high school against full university tuition to see how much you save and how many semesters you skip.
Community College Transfer Savings Calculator
See how much the 2+2 path saves — years at a community college before transferring to a university — versus four years at the university sticker price.
Study Abroad Budget Calculator
Build a realistic study-abroad budget — program fee, flights, monthly living costs and extras — into one total and an average monthly spend.
Textbook Rent vs Buy Calculator
Decide whether to rent or buy a textbook by comparing the rental price against the net cost of buying it and reselling at the end of term.
CGPA to Percentage Calculator
Convert CGPA or SGPA to percentage with the formula your board or university uses — CBSE ×9.5, AICTE, VTU, AKTU, Anna University, Mumbai University, GTU or SPPU — or a 4, 5 or 7-point GPA, and compare every formula side by side.
Percentage to CGPA Calculator
Convert a percentage to CGPA on a 10-point scale (÷9.5, ÷10, VTU, Anna, Mumbai) or a 4-point GPA, with the matching letter grade.
SGPA to CGPA Calculator
Combine semester GPAs into a CGPA — weighted by credits per semester or a simple average — and see the percentage equivalent.
CGPA Calculator (Grade Points and Credits)
Calculate CGPA on a 10-point scale from course grades and credits or from semester SGPAs — accepts grade points, letter grades (O, A+, A…) or marks, converts to percentage (×9.5, AICTE, ×10) and finds the SGPA you need for a target CGPA.
Marks Percentage Calculator
Convert marks obtained out of total marks into a percentage, or paste subject-wise marks for the aggregate and best-of-five percentage. Shows the CBSE grade and grade point, division, CGPA, marks lost, minimum marks for every grade and what you need on the papers still to come.
Aggregate Marks Calculator
Add up subject marks to get the aggregate, overall percentage and best-of-five (or best-of-N) percentage, with the weakest subject flagged.
NEET Score Calculator
Estimate your NEET UG score from correct and incorrect answers (+4 / −1 marking) across Physics, Chemistry and Biology, with accuracy and an approximate percentile band.
Student–Teacher Ratio Calculator
Work out a school’s pupil–teacher ratio from enrolment and full-time-equivalent teachers, the teachers needed for a target ratio, the students a staff can serve, staffing for a class size and timetable, the cost of extra teachers, and how the ratio compares with OECD, US and India norms.
School Days Remaining Calculator
Count the school days left until the last day of term — weekends, listed breaks and holidays removed — with school weeks and hours left, days completed, progress through the year, the next break, the halfway point and a month-by-month table.
Tuition Inflation Calculator
Project future tuition fees from today’s cost and an annual increase rate — cost in the enrolment year, the total for the whole degree and the monthly saving needed.
Test Average Calculator
Average a list of test scores, drop the lowest N, and find the score you need on the next test to reach a target average.
Exam Time per Question Calculator
Split exam time across questions and marks: minutes per question and per mark, extra time for access arrangements, separate reading time, a review buffer, section budgets, a checkpoint schedule with clock times and a mid-exam pace check.
Multiple Choice Guessing Expected Score Calculator
Should you guess? Expected marks from guessing on multiple-choice questions with negative marking, after eliminating options — and the break-even point.
Credits Needed to Graduate Calculator
How many credits remain for your degree, the credits per semester to finish on time, your graduation term at your current pace, with transfer credits, summer terms, quarters and tuition for the rest of the degree.
Degree ROI Calculator
Return on a college degree: total cost with tuition, lost earnings and student-loan interest, net present value, payback period, internal rate of return, the starting salary needed to break even, completion risk and taxes, with a year-by-year earnings table.
Attendance Calculator: Classes Needed for 75%
How many more classes you must attend — or how many you can skip — to keep attendance at 75% (or any required percentage).
Lesson Plan Pacing Calculator (Minute-by-Minute Timing)
Turn a class period into a timed lesson plan — gradual release (I do / we do / you do), workshop, flipped, lab or discussion models — with minutes for the warm-up, direct instruction, guided and independent practice and closure, transitions subtracted, clock times from the start of the period and a check that the plan fits.
Homeschool Credit Hours Calculator (Carnegie Units & Transcript)
Convert logged homeschool hours into high-school credits with the Carnegie unit (120–180 hours per credit), see how many more hours a course needs, the weekly pace to finish by a date, credits from a completed textbook, and a check of a full transcript load (22–26 credits over four years).
Curriculum Pacing Guide Calculator (Lessons per Week & Catch-Up)
Build a pacing guide from the lessons or chapters left and the teaching days remaining — lessons per day and per week after removing testing, holidays and a buffer, the projected finish date, whether you are ahead or behind, and the catch-up pace or the lessons to cut to finish on time.
Student Group Maker Calculator (Even Groups, No Leftovers)
Split a class into groups with no one left over — the number of groups for a chosen size, how to mix groups of 3 and 4 (or 4 and 5) so every student is placed, rotation counts for stations, pairs with a triple when odd, and the number of rounds so everyone works with everyone once.
Teacher Grading Time Calculator
Estimate how long marking will take — number of students or several stacks at once, assignment type (multiple choice, short answer, essays, lab reports, problem sets), minutes per paper, feedback depth, recording time and breaks — and get the total hours, a day-by-day grading plan with the finish date, the weekly and term load, and how much rubrics, sampling and peer assessment would save.
Reading Assignment Time Calculator (Pages per Night by Grade)
Plan reading homework or a class novel — minutes a reading takes at grade-level speeds (words per minute by grade, with a text-difficulty factor), pages per night to finish by a date, the total time a book needs, and a fair nightly schedule for students who read slowly, with audiobook run-time for comparison.
JEE Main Percentile to Rank Calculator (CRL, Category Rank & Advanced Cutoff)
Convert your JEE Main NTA percentile — or your marks — into an estimated All India Rank (CRL) using the official 2026 count of 15,38,468 candidates, estimate your OBC-NCL, EWS, SC or ST category rank and female-pool rank, check the 2026 JEE Advanced qualifying percentile for your category (with 2025 and 2024 for comparison), and see which JoSAA institutes that rank usually reaches.
Negative Marking Score Calculator (UPSC, SSC, JEE, NEET, Banking — Attempts & Accuracy)
Work out your score under negative marking for any exam pattern: marks per correct answer and penalty per wrong one (¼, ⅓, ½ or custom), the accuracy you need for attempts to pay off, the break-even accuracy where guessing is neutral, expected score from your accuracy and attempt rate, the attempts needed to hit a target or cutoff, and whether to guess when you can eliminate options.
Private Pilot Licence Cost Calculator (Flight Hours, Aircraft & Instructor Rates, Ground School, Exams)
Estimate what a private pilot licence really costs: realistic flight hours versus the legal minimum, aircraft rental and instructor rates, ground school, headset and supplies, medical, written and checkride fees, and how flying frequency changes the hours — with monthly budget and time to completion.
Place Value Calculator
Find the place value of every digit in a number (ones to hundred trillions, tenths to millionths) and write it in expanded form, expanded notation with powers of 10 and fractions.
Divisibility Rules Calculator
Check whether a number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12 using the divisibility rules, with the digit sum, last-digit and alternating-sum checks shown.
Multiplication Table Calculator
Generate the times table of any number over any range, or a full multiplication chart (up to 20 × 20) with the square numbers on the diagonal — printable practice for students.
Grade Scale Converter
Convert a grade from one grading scale to another — 0–20, 1–7, 0–5, 0–10, 1–10 or 0–100 — either proportionally or with the passing marks lined up, plus a full conversion table.
Modified Bavarian Formula Calculator
Convert any foreign grade or GPA to the German 1.0–4.0 scale with the modified Bavarian formula used by uni-assist and German universities — with the German grade band (sehr gut, gut…).
ICFES Saber 11 Score Calculator
Calculate your ICFES Saber 11 global score (0–500) from your five test scores — critical reading, math, social studies, science and English — with each test’s weighted contribution.
PAES Weighted Score Calculator
Calculate your PAES weighted admission score for Chilean universities from NEM, ranking, reading, math M1/M2 and elective test scores with each program’s weights, and compare it with the last cutoff.
What Grade Is My Child In Calculator
Find which school grade a child belongs in from the date of birth and the school entry cutoff date, plus the first-grade year and the graduation year (class of).
Drop Lowest Grade Calculator
See your average after your teacher drops the lowest test, quiz or homework grade (or the lowest two) — the new average, how much it rises and which scores were dropped.
Extra Credit Calculator
Find out how much extra credit raises your grade — added as bonus points or as percentage points — plus your letter grade before and after and the extra points needed for the next letter.
GPA Retake Calculator
See how retaking a class changes your GPA under grade replacement (forgiveness) or grade averaging — new cumulative GPA, quality points and the gain from the retake.
Forgetting Curve Calculator
Estimate how much of what you studied you still remember with the Ebbinghaus forgetting curve (R = e^−t/S), how reviews slow forgetting, and when to review before you drop below a target.
Latin Honors Calculator
Check whether your GPA earns cum laude, magna cum laude or summa cum laude, and the GPA you need on your remaining credits to reach the next Latin honor.