Free online tool

Mass Calculator

Enter a mass value and select the units to convert between.

Instant calculation

Mass Calculator

Enter a mass value and select the units to convert between.

Your numbers stay in this browser. Nothing is uploaded or saved.

Three clear steps

How to use this calculator

  1. 01

    Enter mass value

    Type the mass to convert.

  2. 02

    Select from unit

    Choose the current unit of mass.

  3. 03

    Select to unit

    Choose the target unit for conversion.

The formula

How this calculation works

All conversions go through kilograms as the base unit.

Mass Calculator

1 kg = 1000 g = 2.20462 lb = 35.274 oz

100×2.20462=220.46 lb

Check the method

Worked examples

Each example follows the same formula used by the calculator.

100 kg in pounds?

100×2.20462=220.46 lb220.46 lb

Common questions

Questions about this calculation

What is the Mass Calculator?

The Mass Calculator helps you convert mass between kilograms, grams, pounds and ounces. Enter your values and select Calculate to get an instant result.

How is the result calculated?

All conversions go through kilograms as the base unit.

Can you show an example?

Example: 100 kg in pounds? — 220.46 lb.

Is my data saved when I use the Mass Calculator?

No. All calculations run locally in your browser. Your inputs and results are never uploaded, stored or shared with anyone.

Is the Mass Calculator free to use?

Yes. The Mass Calculator is completely free. No account, sign-up or payment is required. It works on mobile, tablet and desktop.