Weight Converter
Convert between milligrams, grams, kilograms, ounces, pounds, and stones instantly.
Type in any field and the others update automatically.
Type in any field — the others update instantly.
All weight conversions use grams as the base unit.
Metric conversions:
- 1 gram = 1,000 mg = 0.001 kg
Imperial conversions:
- 1 ounce = 28.3495 g
- 1 pound = 453.592 g (16 ounces)
- 1 stone = 6,350.29 g (14 pounds)
Common references:
- A paperclip weighs about 1 g
- A smartphone weighs about 170–200 g
- A liter of water weighs 1 kg (1,000 g)
- An average adult weighs about 70 kg (154 lbs / 11 stone)
Quick conversions:
- 1 kg = 2.20462 lbs
- 1 lb = 0.453592 kg
- 1 oz = 28.3495 g