Weight & Mass Converter

Convert mass and weight measurements between metric and imperial scales.

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Converted Mass

1 kg = 2.20462 lb

Equivalent Mass Across Units

Mass vs. Weight

Understanding Mass Standards

While "weight" technically measures gravitational force ($F = m \times g$), terrestrial units measure mass directly:

Kilograms to Pounds Conversion

By international agreement, 1 avoirdupois pound is officially defined as exactly 0.45359237 kilograms ($1\text{ kg} \approx 2.20462\text{ lbs}$).

Stone Standard

The stone (st) is an imperial unit commonly used in the UK and Ireland for body weight ($1\text{ stone} = 14\text{ pounds} \approx 6.35029\text{ kg}$).