Everyday Calculators

Estimate how much gas a road trip will cost — total, per person, and gallons burned.

Work out your car’s real MPG from miles driven and gallons filled — plus what each mile costs you.

Turn an appliance’s wattage and daily hours into its real cost per day, month and year.

Pick an appliance and see what it costs to run per month and per year at your electricity rate.

How many gallons of paint your room needs from its dimensions, doors, windows and coats.

Cubic yards and bags of mulch needed for your bed from its length, width and depth.

Compare two package sizes by unit price and see which is the better deal — and by how much.

Split rent fairly by income between two or three roommates or partners.

What your drive to work really costs per month and per year in gas and parking.

The right couch-to-screen distance for your TV size — based on the 4K viewing standards.

How long a text takes to read from its word count and your reading speed.

What your coffee habit costs per year and decade — and what that money could grow to invested.