Weight Converter
Convert quickly between kilograms, pounds, stones, ounces and tons. Type a value in any field and all the others will update instantly.
Quick presets:
Common weight conversions
| From | To | Multiply by |
|---|---|---|
| kg | lb | 2.20462262185 |
| lb | kg | 0.45359237 |
| kg | oz | 35.27396195 |
| stone | kg | 6.35029318 |
| metric ton | kg | 1000 |
| US short ton | kg | 907.18474 |
How this weight converter works
We use kilograms (kg) as the internal base unit. Every time you enter a value, it is converted to kg, then from kg to all the other units using exact factors.
Key factors
- 1 lb = 0.45359237 kg
- 1 oz = 0.028349523125 kg
- 1 stone = 6.35029318 kg
- 1 metric ton = 1000 kg
- 1 US short ton = 907.18474 kg
FAQ
- Why so many decimals? We keep NIST-style exactness. Round to 2–3 decimals for everyday use.
- Which ton should I use? For international/metric use “metric ton”; for US freight use “US short ton”.