Free Mass Calculator

Mass and weight are often used interchangeably in everyday speech, but they're physically distinct — mass is the amount of matter (constant everywhere), while weight is the force of gravity on that mass (varies by location). See our Weight Calculator for the gravity-dependent version.

Worked Example

Example: 75 kg = 165.3 lb = 2,645 oz.

Formula / Method

Standard mass unit conversion factors relative to kilograms (e.g. 1 lb = 0.453592 kg).

Worked Example

Example: 75 kg = 165.3 lb = 2,645 oz.

Formula / Method

Standard mass unit conversion factors relative to kilograms (e.g. 1 lb = 0.453592 kg).