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Convert kilograms to tonnes
Instant, accurate kg → t conversion with a live converter, table and formula.
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1 kilogram = 0.001 tonnes
1 tonne = 1000 kilograms
kilograms to tonnes table
| kilograms (kg) | tonnes (t) |
|---|---|
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 20 | 0.02 |
| 50 | 0.05 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1000 | 1 |
Formula
tonnes = kilograms × 0.001.
Example
10 kilograms = 0.01 tonnes.
What is a kilogram?
The kilogram (kg) is the SI base unit of mass; one liter of water weighs about 1 kg.
What is a tonne?
A tonne (t) is 1,000 kilograms — the metric ton.
Real-world reference points
A kilogram is a liter of water; a pound is a loaf of bread; an ounce is a slice of it.
| Reference | kilograms | tonnes |
|---|---|---|
| Smartphone | 0.18 kg | 0.00018 t |
| Liter of water | 1 kg | 0.001 t |
| Newborn baby (average) | 3.3 kg | 0.0033 t |
| Airline checked-bag limit (common) | 23 kg | 0.023 t |
| Cement bag (standard) | 50 kg | 0.05 t |
Mistakes to avoid with mass conversions
- Confusing weight ounces with fluid ounces — one measures mass, the other volume.
- Reading 'stone and pounds' (11 st 6 lb) as decimal stone (11.6 st) — they differ.
- Comparing net vs gross weight when shipping: the box and padding count toward limits.
Frequently asked questions
How many tonnes in a kilograms?+
1 kilogram = 0.001 tonnes.
How do I convert kilograms to tonnes?+
Enter the value in the kilograms box above and the tonnes value appears instantly. You can also type in the tonnes box to convert the other way.
Is this kg to t converter free?+
Yes — it is 100% free, needs no sign-up, and runs entirely in your browser.