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Ounces Conversion

Scales are used to measure weight

The ounce is a unit used to measure weight. Use one of the conversion calculators below to convert to another unit of measure, or read on to learn more about ounces.

Ounce Conversion Calculators

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Ounce Definition and Usage

One ounce is a unit of mass/weight equal to 1/16 of a pound. The common ounce should not be confused with the troy ounce, which is equal to 1/12 of a troy pound.[1]

The ounce is a US customary and imperial unit of weight. Ounces can be abbreviated as oz; for example, 1 ounce can be written as 1 oz.

Ounces Measurement Conversion Table

Common ounce values and equivalent imperial and metric weight measurements
ounces tons pounds metric tons long tons kilograms grams milligrams carats
1 oz 0.00003125 t 0.0625 lb 0.00002835 t 0.000027902 lt 0.02835 kg 28.349523 g 28,350 mg 141.747616 ct
2 oz 0.0000625 t 0.125 lb 0.000056699 t 0.000055804 lt 0.056699 kg 56.699046 g 56,699 mg 283.495231 ct
3 oz 0.00009375 t 0.1875 lb 0.000085049 t 0.000083705 lt 0.085049 kg 85.048569 g 85,049 mg 425.242847 ct
4 oz 0.000125 t 0.25 lb 0.000113 t 0.000112 lt 0.113398 kg 113.398093 g 113,398 mg 566.990463 ct
5 oz 0.000156 t 0.3125 lb 0.000142 t 0.00014 lt 0.141748 kg 141.747616 g 141,748 mg 708.738078 ct
6 oz 0.000188 t 0.375 lb 0.00017 t 0.000167 lt 0.170097 kg 170.097139 g 170,097 mg 850.485694 ct
7 oz 0.000219 t 0.4375 lb 0.000198 t 0.000195 lt 0.198447 kg 198.446662 g 198,447 mg 992.233309 ct
8 oz 0.00025 t 0.5 lb 0.000227 t 0.000223 lt 0.226796 kg 226.796185 g 226,796 mg 1,134 ct
9 oz 0.000281 t 0.5625 lb 0.000255 t 0.000251 lt 0.255146 kg 255.145708 g 255,146 mg 1,276 ct
10 oz 0.000313 t 0.625 lb 0.000283 t 0.000279 lt 0.283495 kg 283.495231 g 283,495 mg 1,417 ct
11 oz 0.000344 t 0.6875 lb 0.000312 t 0.000307 lt 0.311845 kg 311.844754 g 311,845 mg 1,559 ct
12 oz 0.000375 t 0.75 lb 0.00034 t 0.000335 lt 0.340194 kg 340.194278 g 340,194 mg 1,701 ct
13 oz 0.000406 t 0.8125 lb 0.000369 t 0.000363 lt 0.368544 kg 368.543801 g 368,544 mg 1,843 ct
14 oz 0.000438 t 0.875 lb 0.000397 t 0.000391 lt 0.396893 kg 396.893324 g 396,893 mg 1,984 ct
15 oz 0.000469 t 0.9375 lb 0.000425 t 0.000419 lt 0.425243 kg 425.242847 g 425,243 mg 2,126 ct
16 oz 0.0005 t 1 lb 0.000454 t 0.000446 lt 0.453592 kg 453.59237 g 453,592 mg 2,268 ct
17 oz 0.000531 t 1.0625 lb 0.000482 t 0.000474 lt 0.481942 kg 481.941893 g 481,942 mg 2,410 ct
18 oz 0.000563 t 1.125 lb 0.00051 t 0.000502 lt 0.510291 kg 510.291416 g 510,291 mg 2,551 ct
19 oz 0.000594 t 1.1875 lb 0.000539 t 0.00053 lt 0.538641 kg 538.640939 g 538,641 mg 2,693 ct
20 oz 0.000625 t 1.25 lb 0.000567 t 0.000558 lt 0.56699 kg 566.990463 g 566,990 mg 2,835 ct

References

  1. James Bucki, Troy Ounce vs. Ounce, The Spruce, https://www.thesprucecrafts.com/troy-ounce-vs-ounce-4588158
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