Ounce (oz) Converter Calculator
Pounds (lb)
0.0625
Grams (g)
28.35
Kilograms (kg)
0.02835
Milligrams (mg)
28349.52
Understanding Ounces (oz)
An ounce (abbreviated as oz) is a unit of weight in the imperial and US customary systems. One ounce is precisely equal to 1/16 of a pound or approximately 28.349523 grams in the metric system.
Common Uses of Ounces
- Food and recipe measurements
- Precious metals (using troy ounces)
- Postal and shipping weights
- Personal care products
Quick Conversion Guide
1 ounce = 28.349523 grams
1 ounce = 0.0625 pounds
1 ounce = 437.5 grains
1 ounce = 0.028349523 kilograms
Note:
Don't confuse regular ounces (weight) with fluid ounces (volume). While they share the same name, they measure different properties. This calculator is specifically for weight ounces.