The Avoirdupois Weight Conversion Calculator helps you quickly convert between different units of the Avoirdupois system — such as pounds (lb), ounces (oz), stones (st), and grains (gr).
It is ideal for daily, educational, or trade-related conversions.
Simply select your From unit, choose your To unit, input the value, and get the Result instantly.

Supported conversions include:

Pounds ↔ Ounces

Pounds ↔ Stones

Pounds ↔ Grains

Ounces ↔ Grains

Stones ↔ Pounds

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