Updated May 16, 2026

Stones to Ounces Converter

Multiply stones by 224 to get ounces. 1 stone = 224 ounces (14 pounds). For example, 5 st = 1,120 oz and 10 st = 2,240 oz.

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Common Conversions

Key Takeaways

  • 1 stone = 224 ounces. Multiply stones by 224 for ounces.
  • 1 stone = 14 pounds = 6,350.29 grams.
  • 0.5 stones = 112 ounces (7 pounds).
  • 10 stones = 2,240 ounces (140 pounds).
  • These are weight ounces (28.35 g), not fluid ounces (volume).

How Do You Convert Stones to Ounces?

Multiply the number of stones by 224 to get ounces. The formula is: Ounces = Stones x 224. One stone equals 14 pounds, and each pound has 16 ounces, so 14 x 16 = 224 ounces per stone.

Coach Rivera converts athlete body weights from stones (used by a British training consultant) to ounces for his American nutrition tracking system. A player weighing 13 stones converts to: 13 x 224 = 2,912 ounces, which is 182 pounds or about 82.6 kilograms.

Quick Reference Table

Stones Ounces Also Equals
0.5 st112 oz7 pounds
1 st224 oz14 pounds
5 st1,120 oz70 pounds
8 st1,792 oz112 pounds
10 st2,240 oz140 pounds
12 st2,688 oz168 pounds
15 st3,360 oz210 pounds

Practical Applications

Boxing and Wrestling

Coach Rivera helps athletes understand British boxing weight classes, which are traditionally expressed in stones. The welterweight limit of 10 stone 7 pounds equals (10 x 224) + (7 x 16) = 2,240 + 112 = 2,352 ounces, or 147 pounds. His fighters use ounce-precise scales to make weight.

Baby Weight Tracking

Sam Okafor helps parents at community health workshops convert baby weights between British and American formats. A baby born at 0.5 stone (7 pounds) weighs 112 ounces. Pediatric growth is tracked in ounces during the first months, where even 2-3 ounces of weekly gain matters.

Food Portioning

Marco Ferreira receives a whole lamb from a British supplier weighing 3 stone 4 pounds. Converting: (3 x 224) + (4 x 16) = 672 + 64 = 736 ounces, or 46 pounds. He portions the lamb into 6-ounce servings, yielding about 122 dinner portions from the whole animal.


Related Calculators

Frequently Asked Questions

How many ounces are in a stone?

There are exactly 224 ounces in one stone. A stone equals 14 pounds, and each pound has 16 ounces: 14 x 16 = 224.

How do I convert stones to ounces?

Multiply the number of stones by 224. The formula is Ounces = Stones x 224. For example, 3 stones x 224 = 672 ounces.

How many ounces is 10 stones?

10 stones equals 2,240 ounces, which is 140 pounds or about 63.5 kilograms.

How do I convert stones and pounds to ounces?

Convert stones to pounds first (multiply by 14), add the extra pounds, then multiply by 16 for ounces. For example, 8 stone 5 pounds = (8 x 14) + 5 = 117 pounds = 1,872 ounces.

Are these weight ounces or fluid ounces?

These are avoirdupois weight ounces (28.35 grams each), not fluid ounces (which measure volume). Stones always refer to weight, so the conversion is to weight ounces.