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Troy ounces to avoirdupois ounces converter

Convert troy ounces (oz t) to avoirdupois ounces (oz).

Mass converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

oz t

oz

CONVERSION

1 oz t ≈ 1.097142857 oz

Precision changes displayed rounding, not calculation accuracy.

FORMULAoz = oz t × 1.09714285714286

FORMULA & EXAMPLES

How to convert Troy ounces to avoirdupois ounces

oz = oz t × 1.09714285714286

Multiply the oz t reading by 1.09714285714286.

Worked examples

1 oz t ≈ 1.097142857 oz

1 × 1.09714285714286 ≈ 1.097142857

10 oz t ≈ 10.97142857 oz

10 × 1.09714285714286 ≈ 10.97142857

Frequently asked questions

Why are troy and avoirdupois ounces different?

A troy ounce is 480 grains, or 31.1034768 grams. An avoirdupois ounce is 28.349523125 grams. The same ounce count therefore represents different masses.

Troy ounces to avoirdupois ounces table

Fixed reference · Troy ounce to Ounce

Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.

Troy ounce (oz t)Ounce (oz)
00
0.10.1097142857
0.50.5485714286
11.097142857
22.194285714
55.485714286
1010.97142857
2527.42857143
5054.85714286
100109.7142857
10001097.142857
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.

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