7 Supported Units
Weight & Mass Converter
Mass and weight conversions are widely used in cooking, medical dosages, shipping, fitness, and manufacturing. Convert instantly between standard metric units (grams, kilograms) and imperial units (ounces, pounds, stones).
Common Weight & Mass Converter Conversions
| Unit Standard | Target Equivalent | Formula | Practical Example |
|---|---|---|---|
| 1 Kilogram | 2.20462 Pounds | kg × 2.20462 = lb | 70 kg = 154.32 lb |
| 1 Pound | 16 Ounces | lb × 16 = oz | 5 lb = 80 oz |
| 1 Stone | 14 Pounds | st × 14 = lb | 10 st = 140 lb |
| 1 Ounce | 28.3495 Grams | oz × 28.3495 = g | 8 oz = 226.8 g |
How Weight & Mass Converter Math Works
Conversions map through the international kilogram (kg). The international avoirdupois pound is legally defined as exactly 0.45359237 kg (or approximately 2.20462 pounds per kg).
Frequently Asked Questions
How do you convert kilograms to pounds?
To convert kg to lbs, multiply the weight in kilograms by 2.20462. For quick mental estimation, multiply by 2 and add 10%.
What is a stone in weight?
A stone (symbol "st") is a traditional British unit of mass equal to 14 avoirdupois pounds, or approximately 6.35029 kilograms.