A quick two-way kg ⇄ st converter: type in either box, choose how many decimals you want and copy the answer with one click.
kg
st
Step-by-step calculation
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How to use the KG to Stone Converter
Type a value in the Kilograms box. The stone result appears instantly.
Going the other way? Type in the Stone box, or press the ⇄ swap button.
Set the precision with the decimal places menu.
Check the working in the step-by-step box, then press Copy result or click any row in the tables below.
Kilograms to stone formula
st = kg ÷ 6.35029318
Take the value in kilograms.
Divide it by 6.35029318 (the number of kilograms in one stone).
Example: 70 kg ÷ 6.35029318 = 11.0231 st.
Reverse formula (stone to kilograms): kg = st × 6.35029318. Example: 1.57473 st × 6.35029318 = 10 kg.
Quick mental estimate: divide by about 6.4. For exact answers use the converter above.
kg to st conversion table (1–100)
Click any row to load it into the converter.
Kilograms to stone
Kilograms
Stone
1 kg
0.157 st
2 kg
0.315 st
3 kg
0.472 st
4 kg
0.63 st
5 kg
0.787 st
6 kg
0.945 st
7 kg
1.102 st
8 kg
1.26 st
9 kg
1.417 st
10 kg
1.575 st
11 kg
1.732 st
12 kg
1.89 st
13 kg
2.047 st
14 kg
2.205 st
15 kg
2.362 st
16 kg
2.52 st
17 kg
2.677 st
18 kg
2.835 st
19 kg
2.992 st
20 kg
3.149 st
21 kg
3.307 st
22 kg
3.464 st
23 kg
3.622 st
24 kg
3.779 st
25 kg
3.937 st
26 kg
4.094 st
27 kg
4.252 st
28 kg
4.409 st
29 kg
4.567 st
30 kg
4.724 st
31 kg
4.882 st
32 kg
5.039 st
33 kg
5.197 st
34 kg
5.354 st
35 kg
5.512 st
36 kg
5.669 st
37 kg
5.827 st
38 kg
5.984 st
39 kg
6.141 st
40 kg
6.299 st
41 kg
6.456 st
42 kg
6.614 st
43 kg
6.771 st
44 kg
6.929 st
45 kg
7.086 st
46 kg
7.244 st
47 kg
7.401 st
48 kg
7.559 st
49 kg
7.716 st
50 kg
7.874 st
51 kg
8.031 st
52 kg
8.189 st
53 kg
8.346 st
54 kg
8.504 st
55 kg
8.661 st
56 kg
8.818 st
57 kg
8.976 st
58 kg
9.133 st
59 kg
9.291 st
60 kg
9.448 st
61 kg
9.606 st
62 kg
9.763 st
63 kg
9.921 st
64 kg
10.078 st
65 kg
10.236 st
66 kg
10.393 st
67 kg
10.551 st
68 kg
10.708 st
69 kg
10.866 st
70 kg
11.023 st
71 kg
11.181 st
72 kg
11.338 st
73 kg
11.496 st
74 kg
11.653 st
75 kg
11.81 st
76 kg
11.968 st
77 kg
12.125 st
78 kg
12.283 st
79 kg
12.44 st
80 kg
12.598 st
81 kg
12.755 st
82 kg
12.913 st
83 kg
13.07 st
84 kg
13.228 st
85 kg
13.385 st
86 kg
13.543 st
87 kg
13.7 st
88 kg
13.858 st
89 kg
14.015 st
90 kg
14.173 st
91 kg
14.33 st
92 kg
14.488 st
93 kg
14.645 st
94 kg
14.802 st
95 kg
14.96 st
96 kg
15.117 st
97 kg
15.275 st
98 kg
15.432 st
99 kg
15.59 st
100 kg
15.747 st
Stone to kilograms
Stone
Kilograms
1 st
6.35 kg
2 st
12.701 kg
3 st
19.051 kg
4 st
25.401 kg
5 st
31.751 kg
6 st
38.102 kg
7 st
44.452 kg
8 st
50.802 kg
9 st
57.153 kg
10 st
63.503 kg
11 st
69.853 kg
12 st
76.204 kg
13 st
82.554 kg
14 st
88.904 kg
15 st
95.254 kg
16 st
101.605 kg
17 st
107.955 kg
18 st
114.305 kg
19 st
120.656 kg
20 st
127.006 kg
21 st
133.356 kg
22 st
139.706 kg
23 st
146.057 kg
24 st
152.407 kg
25 st
158.757 kg
26 st
165.108 kg
27 st
171.458 kg
28 st
177.808 kg
29 st
184.159 kg
30 st
190.509 kg
31 st
196.859 kg
32 st
203.209 kg
33 st
209.56 kg
34 st
215.91 kg
35 st
222.26 kg
36 st
228.611 kg
37 st
234.961 kg
38 st
241.311 kg
39 st
247.661 kg
40 st
254.012 kg
41 st
260.362 kg
42 st
266.712 kg
43 st
273.063 kg
44 st
279.413 kg
45 st
285.763 kg
46 st
292.113 kg
47 st
298.464 kg
48 st
304.814 kg
49 st
311.164 kg
50 st
317.515 kg
51 st
323.865 kg
52 st
330.215 kg
53 st
336.566 kg
54 st
342.916 kg
55 st
349.266 kg
56 st
355.616 kg
57 st
361.967 kg
58 st
368.317 kg
59 st
374.667 kg
60 st
381.018 kg
61 st
387.368 kg
62 st
393.718 kg
63 st
400.068 kg
64 st
406.419 kg
65 st
412.769 kg
66 st
419.119 kg
67 st
425.47 kg
68 st
431.82 kg
69 st
438.17 kg
70 st
444.521 kg
71 st
450.871 kg
72 st
457.221 kg
73 st
463.571 kg
74 st
469.922 kg
75 st
476.272 kg
76 st
482.622 kg
77 st
488.973 kg
78 st
495.323 kg
79 st
501.673 kg
80 st
508.023 kg
81 st
514.374 kg
82 st
520.724 kg
83 st
527.074 kg
84 st
533.425 kg
85 st
539.775 kg
86 st
546.125 kg
87 st
552.476 kg
88 st
558.826 kg
89 st
565.176 kg
90 st
571.526 kg
91 st
577.877 kg
92 st
584.227 kg
93 st
590.577 kg
94 st
596.928 kg
95 st
603.278 kg
96 st
609.628 kg
97 st
615.978 kg
98 st
622.329 kg
99 st
628.679 kg
100 st
635.029 kg
Common values
Kilograms
Stone
Example
0.5 kg
0.08 st
Half a kilo
1 kg
0.16 st
1 kg (bag of sugar)
2 kg
0.31 st
2 kg
5 kg
0.79 st
5 kg
10 kg
1.57 st
10 kg
23 kg
3.62 st
Typical checked-bag limit
50 kg
7.87 st
50 kg
70 kg
11.02 st
70 kg adult
100 kg
15.75 st
100 kg
About kilograms and stone
Kilograms (kg). The kilogram is the SI base unit of mass, 1,000 grams. It is used for body weight, groceries and luggage in most countries.
Stone (st). The stone is an imperial unit equal to 14 pounds (6.35029318 kg). It is still commonly used for body weight in the UK and Ireland.
Frequently asked questions
1 kilogram equals how many stone?
One kilogram equals 0.157473 stone. Looking at it the other way, one stone is 6.35029 kilograms.
How do you convert kilograms to stone?
Divide the number of kilograms by 6.35029318. For example, 70 kg ÷ 6.35029318 = 11.0231 st.
What is 10 kilograms in stone?
10 kg is 1.57473 st.
How do I convert stone back to kilograms?
Multiply by 6.35029318, or press the ⇄ swap button above. For example, 1.57473 st × 6.35029318 = 10 kg.
How many pounds are in a stone?
A stone is exactly 14 pounds (6.35029318 kg). In the UK and Ireland body weight is often given as stone and pounds, for example 11 st 4 lb = 158 lb = 71.7 kg.
Is this converter free and private?
Yes. It is free with no sign-up, and every calculation runs in your browser, so nothing you type is sent to a server.