// by seankriegler.com
Weight Calculator
Convert between weight and mass units instantly
// Quick Reference
1 kg = 2.205 lb. 1 lb = 16 oz. 1 stone = 14 lb = 6.35 kg. 1 metric ton = 1000 kg. 1 US ton = 2000 lb. 1 UK ton = 2240 lb.
// Mass vs Weight
Mass (kg) is constant everywhere. Weight (N) changes with gravity. On the Moon you'd weigh 1/6th of Earth weight, but your mass stays the same.
// Common Uses
Cooking: grams/ounces. Body weight: kg/lb/stones. Shipping: kg/metric tons. Precious metals: troy ounces (31.1g vs 28.35g standard).