How Many Pounds Are in a Stone?

Quick answer: one stone equals 14 pounds (and one pound is 0.071429 stones). To convert any value, multiply your stones by 14.

Few conversions come up as often as stones to pounds. Recipes, travel, product listings and school assignments all mix the two, and getting the factor slightly wrong compounds quickly when the numbers get big. This guide gives you the exact factor, the mental shortcut, worked examples, and reference tables you can bookmark.

Understanding the units

Stone (st)

The stone (14 pounds, about 6.35 kg) is the traditional British and Irish unit for body weight — someone might be "11 stone 4" rather than 158 pounds.

Pound (lb)

The pound has been defined as exactly 0.45359237 kilograms since 1959. Body weight in the US, gym plates, and package weights all speak in pounds.

The exact conversion formula

pounds = stones × 14

How to convert stones to pounds, step by step

Take your value in stones.
Multiply by 14 (the number of pounds in one stone).
Round sensibly for your context — engineering needs more decimals than a shopping list.

Worked examples:

5 stones × 14 = 70 pounds
12 stones × 14 = 168 pounds
50 stones × 14 = 700 pounds
365 stones × 14 = 5,110 pounds

Real-world reference points

Useful anchors: a paperclip weighs about a gram, a liter of water exactly one kilogram, a bag of sugar 2.2 pounds (1 kg), an average adult 62 kg globally, and a small car about 1.3 metric tons. When a converted number "feels" wrong against these anchors, double-check your factor.

Quick lookup: 1 to 100 stones in pounds

Scan this list for the exact value you need — each line is computed with the precise conversion factor, not an approximation.

1 stone = 14 pounds
2 stones = 28 pounds
3 stones = 42 pounds
4 stones = 56 pounds
5 stones = 70 pounds
6 stones = 84 pounds
7 stones = 98 pounds
8 stones = 112 pounds
9 stones = 126 pounds
10 stones = 140 pounds
11 stones = 154 pounds
12 stones = 168 pounds
13 stones = 182 pounds
14 stones = 196 pounds
15 stones = 210 pounds
16 stones = 224 pounds
17 stones = 238 pounds
18 stones = 252 pounds
19 stones = 266 pounds
20 stones = 280 pounds
21 stones = 294 pounds
22 stones = 308 pounds
23 stones = 322 pounds
24 stones = 336 pounds
25 stones = 350 pounds
26 stones = 364 pounds
27 stones = 378 pounds
28 stones = 392 pounds
29 stones = 406 pounds
30 stones = 420 pounds
31 stones = 434 pounds
32 stones = 448 pounds
33 stones = 462 pounds
34 stones = 476 pounds
35 stones = 490 pounds
36 stones = 504 pounds
37 stones = 518 pounds
38 stones = 532 pounds
39 stones = 546 pounds
40 stones = 560 pounds
41 stones = 574 pounds
42 stones = 588 pounds
43 stones = 602 pounds
44 stones = 616 pounds
45 stones = 630 pounds
46 stones = 644 pounds
47 stones = 658 pounds
48 stones = 672 pounds
49 stones = 686 pounds
50 stones = 700 pounds
51 stones = 714 pounds
52 stones = 728 pounds
53 stones = 742 pounds
54 stones = 756 pounds
55 stones = 770 pounds
56 stones = 784 pounds
57 stones = 798 pounds
58 stones = 812 pounds
59 stones = 826 pounds
60 stones = 840 pounds
61 stones = 854 pounds
62 stones = 868 pounds
63 stones = 882 pounds
64 stones = 896 pounds
65 stones = 910 pounds
66 stones = 924 pounds
67 stones = 938 pounds
68 stones = 952 pounds
69 stones = 966 pounds
70 stones = 980 pounds
71 stones = 994 pounds
72 stones = 1,008 pounds
73 stones = 1,022 pounds
74 stones = 1,036 pounds
75 stones = 1,050 pounds
76 stones = 1,064 pounds
77 stones = 1,078 pounds
78 stones = 1,092 pounds
79 stones = 1,106 pounds
80 stones = 1,120 pounds
81 stones = 1,134 pounds
82 stones = 1,148 pounds
83 stones = 1,162 pounds
84 stones = 1,176 pounds
85 stones = 1,190 pounds
86 stones = 1,204 pounds
87 stones = 1,218 pounds
88 stones = 1,232 pounds
89 stones = 1,246 pounds
90 stones = 1,260 pounds
91 stones = 1,274 pounds
92 stones = 1,288 pounds
93 stones = 1,302 pounds
94 stones = 1,316 pounds
95 stones = 1,330 pounds
96 stones = 1,344 pounds
97 stones = 1,358 pounds
98 stones = 1,372 pounds
99 stones = 1,386 pounds
100 stones = 1,400 pounds

Stone to Pound conversion table

The extended table below covers fractional and large values for quick reference.

Stone (st)	Pound (lb)
0.01 st	0.14 lb
0.05 st	0.7 lb
0.1 st	1.4 lb
0.2 st	2.8 lb
0.25 st	3.5 lb
0.3 st	4.2 lb
0.4 st	5.6 lb
0.5 st	7 lb
0.75 st	10.5 lb
1 st	14 lb
1.25 st	17.5 lb
1.5 st	21 lb
1.75 st	24.5 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
6 st	84 lb
7 st	98 lb
8 st	112 lb
9 st	126 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
22 st	308 lb
24 st	336 lb
25 st	350 lb
26 st	364 lb
28 st	392 lb
30 st	420 lb
32 st	448 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	1,050 lb
80 st	1,120 lb
85 st	1,190 lb
90 st	1,260 lb
95 st	1,330 lb
100 st	1,400 lb
110 st	1,540 lb
120 st	1,680 lb
125 st	1,750 lb
150 st	2,100 lb
175 st	2,450 lb
200 st	2,800 lb
250 st	3,500 lb
300 st	4,200 lb
350 st	4,900 lb
400 st	5,600 lb
450 st	6,300 lb
500 st	7,000 lb
600 st	8,400 lb
700 st	9,800 lb
750 st	10,500 lb
800 st	11,200 lb
900 st	12,600 lb
1,000 st	14,000 lb
1,500 st	21,000 lb
2,000 st	28,000 lb
2,500 st	35,000 lb
5,000 st	70,000 lb
10,000 st	140,000 lb

Reverse table: pounds to stones

Pound (lb)	Stone (st)
0.1 lb	0.007143 st
0.25 lb	0.017857 st
0.5 lb	0.035714 st
1 lb	0.071429 st
2 lb	0.142857 st
3 lb	0.214286 st
4 lb	0.285714 st
5 lb	0.357143 st
6 lb	0.428571 st
7 lb	0.5 st
8 lb	0.571429 st
9 lb	0.642857 st
10 lb	0.714286 st
12 lb	0.857143 st
15 lb	1.0714 st
20 lb	1.4286 st
25 lb	1.7857 st
30 lb	2.1429 st
40 lb	2.8571 st
50 lb	3.5714 st
60 lb	4.2857 st
75 lb	5.3571 st
100 lb	7.1429 st
150 lb	10.7143 st
200 lb	14.2857 st
250 lb	17.8571 st
500 lb	35.7143 st
750 lb	53.5714 st
1,000 lb	71.4286 st
5,000 lb	357.1429 st

Reverse lookup: pounds in stones

1 pound = 0.071429 stones
2 pounds = 0.142857 stones
3 pounds = 0.214286 stones
4 pounds = 0.285714 stones
5 pounds = 0.357143 stones
6 pounds = 0.428571 stones
7 pounds = 0.5 stones
8 pounds = 0.571429 stones
9 pounds = 0.642857 stones
10 pounds = 0.714286 stones
11 pounds = 0.785714 stones
12 pounds = 0.857143 stones
13 pounds = 0.928571 stones
14 pounds = 1 stones
15 pounds = 1.0714 stones
16 pounds = 1.1429 stones
17 pounds = 1.2143 stones
18 pounds = 1.2857 stones
19 pounds = 1.3571 stones
20 pounds = 1.4286 stones
21 pounds = 1.5 stones
22 pounds = 1.5714 stones
23 pounds = 1.6429 stones
24 pounds = 1.7143 stones
25 pounds = 1.7857 stones
26 pounds = 1.8571 stones
27 pounds = 1.9286 stones
28 pounds = 2 stones
29 pounds = 2.0714 stones
30 pounds = 2.1429 stones

Common mistakes to avoid

Watch out for the difference between mass and weight in physics contexts, between the avoirdupois ounce (28.35 g) and the troy ounce used for precious metals (31.1 g), and between the US ton (907 kg), UK ton (1,016 kg) and metric ton (1,000 kg) — three different "tons" that are routinely confused.

Precision and rounding

The tables above round to a few decimal places for readability. When you need full precision — engineering drawings, scientific work, legal documents — use the exact factor 14 and round only at the very end of your calculation. Rounding intermediate steps is the most common source of conversion drift, especially when several conversions are chained together.

Convert it instantly

Skip the arithmetic entirely: our free Stone to Pound converter computes any value as you type, and the Pound to Stone converter handles the reverse direction. For every other weight unit, see the complete weight conversion guide.

Frequently asked questions

How many pounds are in one stone?

Exactly 14 pounds. This factor comes from the internationally agreed definitions of both units.

How do I convert pounds back to stones?

Divide by 14 — or equivalently multiply by 0.07142857, since one pound equals 0.071429 stones.

Can I do this conversion in my head?

For estimates, round the factor: one stone ≈ 14 pounds. That's usually close enough for shopping or travel; reach for the exact factor when precision matters.

What is 2.5 stones in pounds?

2.5 stones equal 35 pounds. Multiply 2.5 by the factor 14.

What is 500 stones in pounds?

500 stones equal 7,000 pounds (500 × 14).

Where does the conversion factor come from?

Both units are legally defined against the same SI base unit (the kilogram), so the factor 14 is a mathematical consequence of those definitions — it is exact, permanent, and the same everywhere in the world.

How Many Pounds Are in a Stone? (st to lb Explained)