Weight Converter (kg / lbs)

What is it and how does it work

How to convert weight

1. Enter the value you want to convert.
2. Pick the unit you're converting from and the unit you want to convert to.
3. Read the converted result instantly, or scroll the list to see your value in every supported unit at once.

Reference

Common weight conversion factors

Unit	Equal to
1 kilogram (kg)	2.204623 pounds
1 pound (lb)	0.453592 kilograms
1 pound (lb)	16 ounces
1 stone (st)	14 pounds / 6.350293 kg
1 metric ton (t)	1,000 kilograms

Most frequently asked questions

FAQ

Is this weight converter really free, with no sign-up?+

Yes. The tool runs entirely with JavaScript in your browser — there's no account, no API key, and no limit on how often you can use it.

How many kilograms are in a pound?+

One pound equals approximately 0.453592 kilograms, and one kilogram equals approximately 2.204623 pounds.

How accurate are the conversions?+

Conversions use standard internationally recognized conversion factors and are calculated to full floating-point precision, then rounded for display.

What units are supported?+

Kilograms, grams, milligrams, pounds, ounces, stone, and metric tons are all supported, in any combination.

Can I quickly swap which unit I'm converting from and to?+

Yes, click the swap button between the two unit selectors to flip them instantly.

Related tools

Tools for Unit Conversion

• Temperature Converter — convert between Celsius, Fahrenheit and Kelvin.
• Unit Converter — length, weight and temperature in one tool.
• Speed Converter — convert speed between km/h, mph and more.

Methodology

How This Converter Works

Your value is converted live between weight units with JavaScript using standard internationally recognized conversion factors — nothing you enter is uploaded to a server or stored anywhere.

Last updated: August 28, 2026.