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Ounces

What is a ounce? An avoirdupois ounce is exactly 0.028349523125 kg, or 28.349523125 g; it is not a fluid ounce. Convert oz to mg, g, kg and 9 more units.

About these units

An avoirdupois ounce is exactly 0.028349523125 kg, or 28.349523125 g; it is not a fluid ounce.

Also known as

oz · ounce · ounces · avoirdupois ounce · avoirdupois ounces

Source: NIST SP 811, Appendix B.9 — conversion factors

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