Free • Accurate • Easy to Use

Weight Converter

Convert weight and mass instantly between kilograms, grams, pounds, ounces, stones, tons and many other commonly used units.

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Simple Interface

Weight Converter

Convert weight and mass units quickly

0 calculations
value

Decimal and negative values are supported.

Select source and target
Quick Examples Try instantly
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Instant Results

Get accurate weight conversions instantly without refreshing the page.

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Common Units

Convert kilograms, grams, pounds, ounces, stones, tons and more.

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One-Click Swap

Quickly reverse your conversion using the swap button.

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Mobile Friendly

Designed for phones, tablets and desktop screens.

Simple & Accurate

Convert Weight Units Online

Our free weight converter makes it easy to convert measurements between metric, US customary and imperial weight or mass units. Enter a value, choose your units and get an instant result.

Easy to Use

How to Use the Weight Converter

1

Enter a Value

Enter the weight or mass measurement you want to convert.

2

Select Units

Choose the unit you are converting from and the unit you want.

3

Get Your Result

Click Convert Weight to see the converted value and formula.

Supported Measurements

Common Weight Units

Convert between commonly used metric, US customary and imperial weight and mass measurements.

kg
Kilogram
g
Gram
mg
Milligram
lb
Pound
oz
Ounce
st
Stone
Useful Reference

Common Weight Conversions

Conversion Equivalent Type
1 kilogram 1,000 grams Metric
1 kilogram Approximately 2.20462 pounds Metric → US
1 pound Approximately 453.592 grams US → Metric
1 pound 16 ounces US Customary
1 stone 14 pounds Imperial
Frequently Asked Questions

Weight Converter FAQ

Answers to common questions about converting weight and mass measurements.

What is a weight converter? +

A weight converter changes a measurement from one weight or mass unit into another, such as kilograms to pounds or grams to ounces.

Which weight units are supported? +

This calculator supports kilograms, grams, milligrams, micrograms, metric tons, pounds, ounces, stones, US tons and imperial tons.

How many pounds are in one kilogram? +

One kilogram is approximately 2.20462 pounds. The calculator uses the standard conversion factor for its calculations.

Can I convert decimal values? +

Yes. Decimal values such as 2.5 kg, 0.75 lb or 125.5 grams can be converted.

Can I reverse a conversion? +

Yes. Use the swap button to exchange the source and target units instantly.

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Conversion Note

This calculator provides general weight and mass conversions using standard conversion factors. For regulated, scientific, engineering or commercial applications, verify the required standards and precision.

Convert Weight Measurements Easily

Quickly convert kilograms, grams, pounds, ounces, stones and other weight units with our free online converter.

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