Ounces to Stones (oz → st) — Free Online Converter

oz → st Reference Table

oz	st
0.001 oz	0.000004464285714 st
0.002 oz	0.000008928571429 st
0.003 oz	0.00001339285714 st
0.004 oz	0.00001785714286 st
0.005 oz	0.00002232142857 st
0.006 oz	0.00002678571429 st
0.007 oz	0.00003125 st
0.008 oz	0.00003571428571 st
0.009 oz	0.00004017857143 st
0.01 oz	0.00004464285714 st
0.02 oz	0.00008928571429 st
0.03 oz	0.0001339285714 st
0.04 oz	0.0001785714286 st
0.05 oz	0.0002232142857 st
0.06 oz	0.0002678571429 st
0.07 oz	0.0003125 st
0.08 oz	0.0003571428571 st
0.09 oz	0.0004017857143 st
0.1 oz	0.0004464285714 st
0.2 oz	0.0008928571429 st
0.3 oz	0.001339285714 st
0.4 oz	0.001785714286 st
0.5 oz	0.002232142857 st
0.6 oz	0.002678571429 st
0.7 oz	0.003125 st
0.8 oz	0.003571428571 st
0.9 oz	0.004017857143 st
1 oz	0.004464285714 st
1.5 oz	0.006696428571 st
2 oz	0.008928571429 st
2.5 oz	0.01116071429 st
3 oz	0.01339285714 st
3.5 oz	0.015625 st
4 oz	0.01785714286 st
4.5 oz	0.02008928571 st
5 oz	0.02232142857 st
5.5 oz	0.02455357143 st
6 oz	0.02678571429 st
6.5 oz	0.02901785714 st
7 oz	0.03125 st
7.5 oz	0.03348214286 st
8 oz	0.03571428571 st
8.5 oz	0.03794642857 st
9 oz	0.04017857143 st
9.5 oz	0.04241071429 st
10 oz	0.04464285714 st
11 oz	0.04910714286 st
12 oz	0.05357142857 st
13 oz	0.05803571429 st
14 oz	0.0625 st
15 oz	0.06696428571 st
16 oz	0.07142857143 st
17 oz	0.07589285714 st
18 oz	0.08035714286 st
19 oz	0.08482142857 st
20 oz	0.08928571429 st
25 oz	0.1116071429 st
30 oz	0.1339285714 st
35 oz	0.15625 st
40 oz	0.1785714286 st
45 oz	0.2008928571 st
50 oz	0.2232142857 st
55 oz	0.2455357143 st
60 oz	0.2678571429 st
65 oz	0.2901785714 st
70 oz	0.3125 st
75 oz	0.3348214286 st
80 oz	0.3571428571 st
85 oz	0.3794642857 st
90 oz	0.4017857143 st
95 oz	0.4241071429 st
100 oz	0.4464285714 st
120 oz	0.5357142857 st
125 oz	0.5580357143 st
130 oz	0.5803571429 st
140 oz	0.625 st
150 oz	0.6696428571 st
160 oz	0.7142857143 st
175 oz	0.78125 st
180 oz	0.8035714286 st
200 oz	0.8928571429 st
225 oz	1.004464286 st
250 oz	1.116071429 st
275 oz	1.227678571 st
300 oz	1.339285714 st
350 oz	1.5625 st
400 oz	1.785714286 st
450 oz	2.008928571 st
500 oz	2.232142857 st
600 oz	2.678571429 st
700 oz	3.125 st
750 oz	3.348214286 st
800 oz	3.571428571 st
900 oz	4.017857143 st
1000 oz	4.464285714 st
1200 oz	5.357142857 st
1250 oz	5.580357143 st
1500 oz	6.696428571 st
1750 oz	7.8125 st
2000 oz	8.928571429 st
2500 oz	11.16071429 st
3000 oz	13.39285714 st
4000 oz	17.85714286 st
4500 oz	20.08928571 st
5000 oz	22.32142857 st
6000 oz	26.78571429 st
7000 oz	31.25 st
7500 oz	33.48214286 st
8000 oz	35.71428571 st
9000 oz	40.17857143 st
10000 oz	44.64285714 st
15000 oz	66.96428571 st
20000 oz	89.28571429 st
25000 oz	111.6071429 st
50000 oz	223.2142857 st
75000 oz	334.8214286 st
100000 oz	446.4285714 st

Values based on NIST SP 811 conversion factors

Why Convert Ounces to Stones?

Converting between ounces (oz) and stones (st) is one of the most common mass conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert oz to st saves time and prevents errors.

Mass conversions from oz to st are vital in culinary arts, logistics, and pharmaceutical industries. Professional chefs and home bakers rely on precise ingredient conversions to replicate international recipes — a slight variation in flour or leavening agents can ruin the texture of a dish. In global shipping, freight costs and vehicle load limits depend on accurate weight calculations to ensure safety and compliance with transport regulations. Furthermore, in healthcare and chemistry, dosage calculations must be exact; confusing mass units can lead to ineffective treatments or dangerous overdoses. Reliable mass conversion ensures consistency across borders and disciplines.

How to Convert Ounces to Stones

To convert ounces to stones, use the following formula:

st = oz × 0.004464285714

Example: 1 oz = 0.004464285714 st

For example, 5 oz = 0.02232142857 st, 10 oz = 0.04464285714 st, and 100 oz = 0.4464285714 st. For larger values, 1000 oz = 4.464285714 st. Conversely, 1 st = 224 oz. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

Mass vs Weight: confusing mass (kg) with weight/force (Newtons or lbs-force).
Ton variations: mixing up Short Ton (US), Long Ton (UK), and Metric Tonne.
Ounce confusion: confusing Ounces (weight) with Fluid Ounces (volume).

Pro Tips

Kitchen scales: Use the 'Tare' button to zero out container weight.
Water weight: 1 Liter of water weighs exactly 1 kg (at 4°C). Useful benchmark.
Conversion rule: To get kg from lbs, divide by 2.2 (approx halve it).

What is a Ounce?

The ounce (oz) is a unit of mass in the Imperial and US customary systems. One avoirdupois ounce is equal to roughly 28.35 grams (1/16 of a pound).

Ounces are commonly used in the US for food packaging, postal weights, and precious metals (though precious metals use troy ounces, which are heavier).

What is a Stone?

The stone (st) is a unit of mass in the Imperial system equal to 14 pounds or approximately 6.35 kilograms. It has been used in Britain and Ireland for centuries.

Stone is almost exclusively used in the United Kingdom and Ireland for measuring human body weight. It is rarely used in science or commerce today.

Frequently Asked Questions

How many stones are in 1 ounce?

1 oz equals 0.004464285714 st. This is an exact conversion factor defined by NIST.

How do I convert ounces to stones?

Multiply the value in oz by the conversion factor. For example, 10 oz = 0.04464285714 st. Use our calculator above for instant results.

Is the ounces to stones conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

Can I convert ounces to stones offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between ounces and stones?

Ounces (oz) and Stones (st) are both units of mass but belong to different measurement systems. 1 oz = 0.004464285714 st. Use the converter above to switch between them instantly.

Ounces → Stones