Weight Converter
Convert pounds, kilograms, ounces, grams, stone and tons instantly.
Converted to every unit
About this weight converter
Whether you're following a recipe, shipping a package, tracking body weight or reading a spec sheet, you'll often need to move between pounds and ounces and the metric system's grams and kilograms. This converter covers all the common units and shows every one at once.
The pound is defined as exactly 0.45359237 kilograms, so conversions here are exact rather than rounded approximations.
How to use the Weight Converter
- Type the value you want to convert.
- Choose the unit you're converting from and the unit you want.
- Read the result — the table below shows the value in every other unit.
- Use Swap to reverse the conversion.
Conversion factors
1 lb = 0.45359237 kg · 1 kg ≈ 2.20462 lb · 1 oz = 28.3495 g
Kilograms are the base unit. Values in kg: milligram 0.000001, gram 0.001, metric ton 1,000, ounce 0.028349523125, pound 0.45359237, stone 6.35029318, short ton 907.18474 and long ton 1,016.0469088.
Worked example
150 lb is 150 × 0.45359237 = 68.039 kg. A 500 g bag of pasta weighs about 17.64 oz.
Common conversions
| Pound → Kilogram | 1 lb = 0.453592 kg | 5 lb = 2.267962 kg | 10 lb = 4.535924 kg |
|---|---|---|---|
| Kilogram → Pound | 1 kg = 2.204623 lb | 5 kg = 11.023113 lb | 10 kg = 22.046226 lb |
| Ounce → Gram | 1 oz = 28.349523 g | 5 oz = 141.747616 g | 10 oz = 283.495231 g |
| Gram → Ounce | 1 g = 0.035274 oz | 5 g = 0.17637 oz | 10 g = 0.35274 oz |
| Stone → Kilogram | 1 st = 6.350293 kg | 5 st = 31.751466 kg | 10 st = 63.502932 kg |
| Metric ton → Short ton (US) | 1 t = 1.102311 US ton | 5 t = 5.511557 US ton | 10 t = 11.023113 US ton |
Tips for better results
- Quick estimate: kilograms × 2.2 ≈ pounds.
- A US ton (2,000 lb) is lighter than a metric ton (about 2,204.6 lb).
Frequently asked questions
How many pounds are in a kilogram?
About 2.20462 pounds.
How many ounces are in a pound?
16 ounces.
What is a stone?
A UK unit equal to 14 pounds (about 6.35 kg), still used for body weight in Britain.
Last reviewed: October 2026 · Results are calculated in your browser.