# Stones to Ounces (st to oz)

Source: https://www.unitconvertercalculator.com/weight/stones-to-ounces/

**1 st = 224 oz**

One stone equals exactly 224 avoirdupois ounces. This clean number comes from 14 pounds per stone times 16 ounces per pound, giving 224 ounces. The conversion is practically useful when British body weight needs to be expressed in the ounce-based measurements used for food portions and nutritional labeling.

## Formula

Apply the conversion factor

## Conversion Table

| Stones (st) | Ounces (oz) |
|---|---|
| 0.1 st | 22.4 oz |
| 0.25 st | 56 oz |
| 0.5 st | 112 oz |
| 1 st | 224 oz |
| 2 st | 448 oz |
| 5 st | 1120 oz |
| 8 st | 1792 oz |
| 10 st | 2240 oz |
| 14 st | 3136 oz |
| 20 st | 4480 oz |
| 25 st | 5600 oz |
| 50 st | 11200 oz |
| 100 st | 22400 oz |

## Units

### Stone (st)

A British unit of mass equal to 14 pounds or approximately 6.35 kilograms. Commonly used in the UK and Ireland for body weight.

### Ounce (oz)

An imperial and US customary unit of mass equal to approximately 28.35 grams. Commonly used in the US and UK for food and postal weight.

## Background

British dietitians sometimes convert between a patient's stone-based body weight and ounce-measured food portions. Understanding that one stone is 224 ounces helps contextualize food intake relative to body mass in imperial terms.

## Good to Know

The 224-ounce stone connects British body weight with British cooking. The same imperial system that measures a person in stones measures their food in ounces, creating a closed loop of culturally specific measurement that makes perfect internal sense but mystifies anyone from a metric country trying to follow a British recipe while checking their weight.

## FAQ

### How many ounces are in one stone?

One stone contains exactly 224 avoirdupois ounces. This is 14 x 16 = 224.

### How do I convert stones to ounces?

Multiply stones by 224. For example, 10 stones equals exactly 2,240 ounces.

### Is this an exact conversion?

Yes. Both 14 (pounds per stone) and 16 (ounces per pound) are exact integers, so 224 is exact.

## Non-Frequently Asked Questions

### How many 8-ounce glasses of water should an 11-stone person drink daily?

The common recommendation is 8 glasses (64 ounces) of water daily, regardless of body weight. An 11-stone person weighing 2,464 ounces would be consuming about 2.6 percent of their body weight in water daily. More precise hydration guidelines recommend about 0.5 ounces per pound of body weight, giving roughly 77 ounces (about 9.6 eight-ounce glasses) for a 154-pound person.

### If I eat 16 ounces of food, is that one pound or one-fourteenth of a stone?

Both. 16 ounces is exactly one pound, which is exactly 1/14 of a stone. Eating a pound of food at each of three daily meals means consuming about 3/14 of a stone per day, or about 1.5 stones per week. Your body processes and eliminates most of this, which is why you do not gain 1.5 stones per week despite eating roughly that much.

### Why do British recipes use ounces while body weight uses stones?

Because the appropriate unit depends on the scale of what is being measured. Stones produce manageable single-digit body weights (8-20 stone for most adults). Ounces produce manageable recipe quantities (1-16 ounces for most ingredients). Using stones for recipes ('add one thirty-second of a stone of flour') or ounces for body weight ('I weigh 2,464 ounces') would be technically correct but conversationally absurd.

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## See Also

- [Ounces to Stones](https://www.unitconvertercalculator.com/weight/ounces-to-stones/)