How many pounds are in 1 stone?

1 st equals 14 lb. This is an exact conversion factor defined by NIST.

How do I convert stones to pounds?

Multiply the value in st by the conversion factor. For example, 10 st = 140 lb. Use our calculator above for instant results.

Is the stones to pounds conversion exact?

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

Can I convert stones to pounds 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 stones and pounds?

Stones (st) and Pounds (lb) are both units of mass but belong to different measurement systems. 1 st = 14 lb. Use the converter above to switch between them instantly.

Stones to Pounds (st → lb) — Free Online Converter

st → lb Reference Table

st	lb
0.001 st	0.014 lb
0.002 st	0.028 lb
0.003 st	0.042 lb
0.004 st	0.056 lb
0.005 st	0.07 lb
0.006 st	0.084 lb
0.007 st	0.098 lb
0.008 st	0.112 lb
0.009 st	0.126 lb
0.01 st	0.14 lb
0.02 st	0.28 lb
0.03 st	0.42 lb
0.04 st	0.56 lb
0.05 st	0.7 lb
0.06 st	0.84 lb
0.07 st	0.98 lb
0.08 st	1.12 lb
0.09 st	1.26 lb
0.1 st	1.4 lb
0.2 st	2.8 lb
0.3 st	4.2 lb
0.4 st	5.6 lb
0.5 st	7 lb
0.6 st	8.4 lb
0.7 st	9.8 lb
0.8 st	11.2 lb
0.9 st	12.6 lb
1 st	14 lb
1.5 st	21 lb
2 st	28 lb
2.5 st	35 lb
3 st	42 lb
3.5 st	49 lb
4 st	56 lb
4.5 st	63 lb
5 st	70 lb
5.5 st	77 lb
6 st	84 lb
6.5 st	91 lb
7 st	98 lb
7.5 st	105 lb
8 st	112 lb
8.5 st	119 lb
9 st	126 lb
9.5 st	133 lb
10 st	140 lb
11 st	154 lb
12 st	168 lb
13 st	182 lb
14 st	196 lb
15 st	210 lb
16 st	224 lb
17 st	238 lb
18 st	252 lb
19 st	266 lb
20 st	280 lb
25 st	350 lb
30 st	420 lb
35 st	490 lb
40 st	560 lb
45 st	630 lb
50 st	700 lb
55 st	770 lb
60 st	840 lb
65 st	910 lb
70 st	980 lb
75 st	1050 lb
80 st	1120 lb
85 st	1190 lb
90 st	1260 lb
95 st	1330 lb
100 st	1400 lb
120 st	1680 lb
125 st	1750 lb
130 st	1820 lb
140 st	1960 lb
150 st	2100 lb
160 st	2240 lb
175 st	2450 lb
180 st	2520 lb
200 st	2800 lb
225 st	3150 lb
250 st	3500 lb
275 st	3850 lb
300 st	4200 lb
350 st	4900 lb
400 st	5600 lb
450 st	6300 lb
500 st	7000 lb
600 st	8400 lb
700 st	9800 lb
750 st	10500 lb
800 st	11200 lb
900 st	12600 lb
1000 st	14000 lb
1200 st	16800 lb
1250 st	17500 lb
1500 st	21000 lb
1750 st	24500 lb
2000 st	28000 lb
2500 st	35000 lb
3000 st	42000 lb
4000 st	56000 lb
4500 st	63000 lb
5000 st	70000 lb
6000 st	84000 lb
7000 st	98000 lb
7500 st	105000 lb
8000 st	112000 lb
9000 st	126000 lb
10000 st	140000 lb
15000 st	210000 lb
20000 st	280000 lb
25000 st	350000 lb
50000 st	700000 lb
75000 st	1050000 lb
100000 st	1400000 lb

Values based on NIST SP 811 conversion factors

Why Convert Stones to Pounds?

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

Mass conversions from st to lb 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 Stones to Pounds

To convert stones to pounds, use the following formula:

lb = st × 14

Example: 1 st = 14 lb

For example, 5 st = 70 lb, 10 st = 140 lb, and 100 st = 1400 lb. For larger values, 1000 st = 14000 lb. Conversely, 1 lb = 0.07142857143 st. 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 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.

What is a Pound?

The pound (lb) is a unit of mass in the Imperial and US customary systems. The international avoirdupois pound is legally defined as exactly 0.45359237 kilograms since 1959.

Pounds are the primary unit of weight in the United States and are widely used in the UK for body weight. Common uses include groceries, body mass, and engineering in the US.

Stones → Pounds

Stones to Pounds Formula