Tonne to Kilogram Converter (t to kg)
1 tonne equals 1000 kilograms — multiply the number of tonnes by 1000 to convert to kilograms. The metric tonne (also called a metric ton) is defined as exactly one thousand kilograms.
The formula
To convert tonnes to kilograms, multiply by the exact factor 1000:
kg = t × 1000
For example, 7 t × 1000 = 7000 kg. To reverse it, divide kilograms by 1000.
Conversion table
| Tonnes (t) | Kilograms (kg) |
|---|---|
| 1 | 1000 |
| 2 | 2000 |
| 3 | 3000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
| 250 | 250000 |
| 500 | 500000 |
| 1000 | 1000000 |
How to convert online
Type the number of tonnes in the first box and read the kilograms instantly in the second. Enter a kilogram value instead to convert back — it works both ways — then copy the result or scan the reference table.
Use the Tonne to Kilogram Converter — free and instant in your browser.
Where this conversion is needed
Tonne-to-kilogram conversions come up constantly in shipping, construction, agriculture and trade, where loads are quoted in tonnes but scales, pricing and axle limits are often in kilograms. It is the go-to step for turning bulk weights into working figures.
FAQ
How many kilograms are in a tonne?
One tonne equals 1000 kilograms. So 10 t = 10,000 kg.
What is the formula to convert tonnes to kilograms?
kg = t × 1000. The converter applies this exact factor automatically.
How do I convert kilograms back to tonnes?
Divide by 1000, or multiply by 0.001. So 5000 kg = 5 t.
Is a metric tonne the same as a ton?
A metric tonne is exactly 1000 kg (about 2204.62 lb). It differs from the US short ton (907.18 kg) and the UK long ton (1016.05 kg), so confirm which "ton" is meant.
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