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Mass converter

troy ounce to avoirdupois ounce

Convert troy ounce (oz t) to avoirdupois ounce (oz). Use an editable mass converter, conversion formula, and reference table.

1.097142857

1 oz t = 1.097142857 oz

Calculated in your browser

Conversion formula

oz = oz t × 1.097142857

One troy ounce equals 1.097142857 avoirdupois ounce. Multiply your value in troy ounce by this factor to get avoirdupois ounce. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 troy ounce:
5 × 1.097142857 = 5.485714286 oz

Conversion table

troy ounce (oz t)avoirdupois ounce (oz)
0.010.01097142857
0.10.1097142857
11.097142857
22.194285714
55.485714286
1010.97142857
2527.42857143
5054.85714286
100109.7142857
10001,097.142857

About these measurements

Mass quantifies an amount of matter.

The base reference used here is the gram. One troy ounce is 31.1034768 base units; one avoirdupois ounce is 28.34952313 base units.

Important distinctions

Mass is not force. Avoirdupois ounces and troy ounces have different masses.

Precision

The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.

Common questions

How do I convert oz t to oz?

Multiply the quantity in oz t by 1.097142857. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the avoirdupois ounce to troy ounce converter.

Reference

NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.

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