Tonnes to Kilograms Converter
Convert tonnes to kilograms instantly. 1 t = 1,000 kg. Free two-way converter with the formula and a quick reference table.
How to convert tonnes to kilograms
kilograms = tonnes × 1,000
One tonne equals 1,000 kilograms, so to convert tonnes to kilograms you multiply by 1,000. Going the other way, one kilogram is 0.001 tonnes. Both units measure weight & mass, so the conversion is an exact ratio that never changes.
10 tonnes = 10,000 kilograms. Multiply your tonne figure by the factor above (or just type it into the box) to convert any amount.
Need the other direction? kilograms to tonnes
tonnes to kilograms table
| tonnes (t) | kilograms (kg) |
|---|---|
| 1 | 1,000 |
| 2 | 2,000 |
| 3 | 3,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 20 | 20,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
Frequently asked questions
How many kilograms are in a tonne?
One tonne equals 1,000 kilograms. So to convert, multiply the number of tonnes by 1,000.
How do I convert tonnes to kilograms?
Multiply by 1,000, or simply enter the value in the converter above — it does the math instantly and works both ways.
Is this conversion exact?
Yes — both units measure the same quantity, so the ratio is fixed and this uses the standard internationally-agreed factor.