HomeUnit Conversion › Metric tons (tonnes) to Kilograms

Metric tons (tonnes) to Kilograms (t to kg)

Convert metric tons (tonnes) to kilograms: 1 t = 1000 kg. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.

Formula

1 t = 1000 kg

kilograms = metric tons (tonnes) × 1000 — reverse: metric tons (tonnes) = kilograms × 0.001

The factor is derived from the SI definitions of both units (base unit: kg) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.

Worked examples

Metric tons (tonnes) to kilograms conversion table

Metric tons (tonnes) (t)Kilograms (kg)
11000
22000
33000
44000
55000
66000
77000
88000
99000
1010000
1515000
2020000
2525000
3030000
4040000
5050000
7575000
100100000
200200000
250250000
500500000
10001000000

FAQ

How many kilograms are in one tonne?

1 t = 1000 kg. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.

What is the formula to convert metric tons (tonnes) to kilograms?

Multiply the value in metric tons (tonnes) by 1000: kilograms = metric tons (tonnes) × 1000. For example, 5 t = 5000 kg.

How do I convert kilograms back to metric tons (tonnes)?

Multiply by the inverse factor 0.001 (metric tons (tonnes) = kilograms × 0.001), or use the kilograms-to-metric tons (tonnes) page.

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Machine access

Sources