KG to Tonnes Converter

ConversionEdited by Hemant Kumar and Anjita Rai, founders · How we checkUpdated Free · No sign-up

Quick answer: To convert KG to tonnes, multiply by 0.001. For example, 10 kg is 0.01 t. One kilogram equals 0.001 t.

Use the KG to Tonnes Converter

KG to Tonnes formula and what each symbol means

t = kg × 0.001

Symbols used in the formula
SymbolMeaning
kgKilogram
tTonne

KG to Tonnes examples

1 kg

1 kg × 0.001 = 0.001 t.

10 kg

10 kg × 0.001 = 0.01 t.

100 kg

100 kg × 0.001 = 0.1 t.

KG compared with Tonnes

One t is 1,000 times as large as one kg, so your number gets smaller when you convert KG to tonnes and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.

About KG and tonnes

Kilogram (kg): The SI base unit of mass, defined from the Planck constant. Tonne (t): The metric tonne, 1,000 kilograms.

Where KG to tonnes conversions are used

Shipping rates and freight use kilograms or tonnes, while US retail packaging often shows pounds and ounces. Gym plates, luggage allowances and medical dosing by body mass all need a quick, correct mass conversion.

How to calculate KG to Tonnes step by step

  1. Enter the value in kg (the starting unit).
  2. Multiply by 0.001, because 1 kg = 0.001 t.
  3. The product is the value in t. To go back, divide by 0.001 or multiply by 1,000.

Popular weight and mass conversions

How to read your KG to Tonnes result

In everyday use the two are treated as the same on Earth, and these converters work on mass.

KGTONNES
10.001
20.002
50.005
100.01
200.02
500.05
1000.1
1,0001

Tonnes to KG: quick table

TONNESKG
11,000
55,000
1010,000
2525,000
5050,000
100100,000
250250,000
500500,000

Common mistakes when calculating KG to Tonnes

  • Treating a troy ounce as the same as an avoirdupois ounce: this tool uses the avoirdupois ounce (28.349523125 g).
  • Dividing when you should multiply: from kg to t multiply by 0.001; from t to kg divide by 0.001.

KG to Tonnes FAQ

How many t are in 1 kg?

1 kg equals 0.001 t.

How many kg are in 1 t?

1 t equals 1,000 kg.

Is 1 kg = 0.001 t an exact conversion?

Yes. The kilogram and the tonne are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 0.001 is just that ratio shown to 7 significant figures.

What is a kilogram (kg)?

The SI base unit of mass, defined from the Planck constant.

How can I estimate KG to tonnes in my head?

One t is 1,000 times as large as one kg, so your number gets smaller when you convert KG to tonnes and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.

What is 150 kg in tonnes?

150 kg = 0.15 t (since 150 × 0.001).

What is 0.5 kg in tonnes?

0.5 kg = 0.0005 t (since 0.5 × 0.001).

What is 25 kg in tonnes?

25 kg = 0.025 t (since 25 × 0.001).

How many decimals should I keep when converting kg to t?

Match the precision of your original measurement. For example, 0.01 t rounds to 0.01 t at 3 significant figures; keep more digits only for engineering or scientific work.

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Method, review and disclaimer

Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI base units