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Kilogram to Tonne Converter

Type a value — the answer appears instantly. 1 kg = 0.001 t.

Reviewed by the OmniCalc teamMethod verified 2026-07-01

From unit

To unit
Result

0.001 tonnes

= 2.20462 lb= 1,000 g

equals 0.001 tonnes

Formula: t = kg × 0.001

Kilogram to Tonne formula

t = kg × 0.001

Convert 5 kilograms to tonnes

  1. Start with 5 kilograms.
  2. Multiply by the conversion factor: 5 × 0.001 = 0.005.
  3. So 5 kg = 0.005 t.

Kilogram to Tonne conversion table

Kilogram to Tonne conversion table
Kilograms (kg)Tonnes (t)
0.01 kg0.00001 t
0.1 kg0.0001 t
0.25 kg0.00025 t
0.5 kg0.0005 t
1 kg0.001 t
2 kg0.002 t
3 kg0.003 t
4 kg0.004 t
5 kg0.005 t
6 kg0.006 t
7 kg0.007 t
8 kg0.008 t
9 kg0.009 t
10 kg0.01 t
15 kg0.015 t
20 kg0.02 t
25 kg0.025 t
30 kg0.03 t
40 kg0.04 t
50 kg0.05 t
75 kg0.075 t
100 kg0.1 t
250 kg0.25 t
500 kg0.5 t
1,000 kg1 t
5,000 kg5 t
10,000 kg10 t

Unit definitions

What is a kilogram?

The kilogram is the SI base unit of mass, redefined in 2019 in terms of the Planck constant. It is the global standard for body weight, groceries, and freight in most countries. One kilogram is about 2.205 pounds.

What is a tonne?

The tonne, or metric ton, is exactly 1000 kilograms. It is used worldwide for heavy freight, vehicle mass, industrial materials, and carbon-emission accounting. It is distinct from the US short ton and the UK long ton.

Frequently asked questions

How many tonnes are in one kilogram?

One kilogram equals 0.001 tonnes (1 kg = 0.001 t).

How do I convert kilograms to tonnes?

Multiply the value in kilograms by 0.001. For example, 10 kg × 0.001 = 0.01 t.

Which is bigger — a kilogram or a tonne?

A tonne is bigger: one tonne contains 1,000 kilograms.

Is this kilogram to tonne converter free?

Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.

Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.