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Mass & Weight

Mass and weight converters for kilograms, pounds, ounces and grams.

4Formulas
All levels Difficulty
Updated Oct 2026
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Fundamental

Grams to Ounces

oz = g * 0.035274

Fundamental

Ounces to Grams

g = oz * 28.3495

Fundamental

Pounds to Kilograms

kg = lb * 0.453592

Fundamental

Kilograms to Pounds

lb = kg * 2.20462