Common Conversions
Reference Weights
Human
Sports
Food
Precious
Quick Reference
Metric System
1 kg = 1000 g
1 g = 1000 mg
1 metric ton = 1000 kg
1 mg = 1000 μg
Imperial System
1 lb = 16 oz
1 stone = 14 lb
1 US ton = 2000 lb
1 UK ton = 2240 lb
Common Conversions
1 kg ≈ 2.205 lb
1 lb ≈ 454 g
1 oz ≈ 28.35 g
1 carat = 200 mg
Did you know?
- • The kilogram is the base unit of mass in the International System of Units (SI)
- • A carat (used for gemstones) equals exactly 200 milligrams
- • The stone is still commonly used in the UK and Ireland for body weight
- • An atomic mass unit is approximately the mass of a proton or neutron