Weight Converter
Convert weight and mass between kilograms, pounds, ounces, grams, stone, and metric tons. Quick and accurate weight conversion.
Converted Weight
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How to Use This Calculator
- Enter the weight or mass value.
- Select the source unit (e.g. kilograms).
- Select the target unit (e.g. pounds).
- The conversion result is shown instantly.
Formula
All conversions go through grams as a base unit:
1 kg = 1000 g | 1 lb = 453.59237 g | 1 oz = 28.349523 g | 1 st = 6350.293 g
Example
Example: Convert 75 kg to pounds:
75 × 1000 / 453.59237 = 165.347 lb
Frequently Asked Questions
- One kilogram equals approximately 2.20462 pounds.
- One ounce equals 28.3495 grams exactly (28.349523125 g).
- One stone equals exactly 14 pounds. This unit is commonly used in the UK and Ireland for body weight.
- Mass is the amount of matter in an object (measured in kg or lb). Weight is the gravitational force on that mass. On Earth they are proportional, but on the Moon your weight changes while mass stays the same.
- Multiply ounces by 28.3495. For quick estimates: 1 oz ≈ 28 g, 4 oz ≈ 113 g, 8 oz (half pound) ≈ 227 g.