Tool Base

Calculators & Converters

Weight Converter

Convert weight and mass units using accurate SI and avoirdupois factors. This tool converts mass values — not force.

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How to Convert Weight Units

  1. Step 1

    Select mass units

    Provide the values or units for this calculation.

  2. Step 2

    Enter a value

    The result updates as you change inputs.

  3. Step 3

    Review the conversion

    Copy the result or reset to start again.

Weight / Mass Details

  • Milligram to metric ton
  • Ounce, pound, and stone
  • Accurate avoirdupois factors
  • Live conversion
  • Swap and copy

Supported Mass Units

Input formats

  • Mass values

Output formats

  • Converted mass

Supported formats

  • Mass units

Examples

1 kilogram to grams

1 kg = 1000 g

Input

1 kg

Output

1000 g

Kilograms to pounds

1 ÷ 0.45359237 ≈ 2.20462 lb

Input

1 kg

Output

2.2046226 lb

Frequently Asked Questions

Is this weight or mass?

The converter uses mass units (kg, g, lb). Everyday language often says “weight,” but the factors are mass-based.

How many grams are in a kilogram?

Exactly 1000 grams equal 1 kilogram.

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