Skip to content

Weight & Mass Converter

Convert weight and mass — milligrams, grams, kilograms, tonnes, ounces, pounds, stones and tons.

Share:

1 Kilograms = 2.204622622 Pounds

1 Kilograms in every unit

Micrograms
1,000,000,000
Milligrams
1,000,000
Grams
1,000
Kilograms
1
Tonnes (metric)
0.001
Ounces
35.27396195
Pounds
2.204622622
Stones
0.157473044
US tons (short)
0.001102311
Imperial tons (long)
0.000984207
Carats
5,000

US ton is the short ton (2,000 lb); Imperial ton is the long ton (2,240 lb); tonne is the metric ton (1,000 kg).

What Is the Weight & Mass Converter?

The Weight & Mass Converter converts between micrograms, milligrams, grams, kilograms and metric tonnes, plus ounces, pounds, stones, US (short) tons, Imperial (long) tons and carats. Enter a value and read it in every unit. It runs entirely in your browser.

How It Works

Enter a value, pick the unit it's in and the unit you want, and the result updates instantly. The table below shows your value in all units, and the swap button reverses the pair.

When to Use It

Use it for cooking and recipes, shipping and parcel weights, body weight (kg ↔ lbs ↔ stones), gym plates, or science classes.

Frequently Asked Questions

What's the difference between US tons and Imperial tons?
A US ton (short ton) is 2,000 lb (≈907 kg); an Imperial ton (long ton) is 2,240 lb (≈1,016 kg). A metric tonne is 1,000 kg. All three are included.
Is weight the same as mass?
Strictly, mass (kg, g) and weight (a force) differ, but in everyday use these units are interchangeable, which is how this tool treats them.

Last reviewed: 2026-06-27