avoirdupois ounce

Download a printable chart for converting visually between avoirdupois ounces and grams.

Convert between ounces avoirdupois and other major units of mass.

Convert between the ounce inch and other major units of torque.

In the English-speaking world, 16th – 21st century, a unit of mass, = ¹⁄₁₆ avoirdupois pound, 28.349 52 grams. The United States is now the only nation that continues to use this unit.

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