Quick, accurate weight conversion

Stone to KG Converter

Convert stones, pounds and kilograms instantly.

Accurate conversions
Supports decimal stones
UK & Imperial units

Useful reference

Popular Conversions

Quick answers for commonly converted weights.

Stone to Kilograms

Popular stone to kilogram conversions
Stone	Kilograms
7 st	44.45 kg
8 st	50.80 kg
9 st	57.15 kg
10 st	63.50 kg
11 st	69.85 kg

Kilograms to Stone & Pounds

Popular kilogram to stone and pound conversions
Kilograms	Stone & pounds
50 kg	7 st 12 lb
60 kg	9 st 6 lb
70 kg	11 st 0 lb
80 kg	12 st 8 lb
90 kg	14 st 2 lb

View the complete stone to kg chart

Stone plus pounds converted to kilograms
Stone + pounds		Kilograms
st	lb	kg
1	0	6.35
2	0	12.70
3	0	19.05
4	0	25.40
5	0	31.75
6	0	38.10
7	0	44.45
7	7	47.63
8	0	50.80
8	7	53.98
9	0	57.15
9	7	60.33
10	0	63.50
10	7	66.68
11	0	69.85
11	7	73.03
12	0	76.20
12	7	79.38
13	0	82.55
13	7	85.73
14	0	88.90
14	7	92.08
15	0	95.25
15	7	98.43
16	0	101.60
16	7	104.78
17	0	107.95
17	7	111.13
18	0	114.31
18	7	117.48
19	0	120.66
19	7	123.83
20	0	127.01
20	7	130.18
21	0	133.36
21	7	136.53
22	0	139.71
22	7	142.88
23	0	146.06
23	7	149.23
24	0	152.41
24	7	155.58
25	0	158.76
25	7	161.93
26	0	165.11
26	7	168.28
27	0	171.46
27	7	174.63
28	0	177.81
28	7	180.98
29	0	184.16
29	7	187.33
30	0	190.51
30	7	193.68
31	0	196.86
31	7	200.03
32	0	203.21
33	0	209.56
34	0	215.91
35	0	222.26
36	0	228.61
37	0	234.96
38	0	241.31
39	0	247.66
40	0	254.01
41	0	260.36
42	0	266.71
43	0	273.06
44	0	279.41
45	0	285.76
46	0	292.11
47	0	298.46
48	0	304.81
49	0	311.16
50	0	317.51
51	0	323.86
52	0	330.22
53	0	336.57
54	0	342.92
55	0	349.27
56	0	355.62
57	0	361.97
58	0	368.32
59	0	374.67
60	0	381.02
61	0	387.37
62	0	393.72
63	0	400.07
64	0	406.42
65	0	412.77
66	0	419.12
67	0	425.47
68	0	431.82
69	0	438.17
70	0	444.52
71	0	450.87
72	0	457.22
73	0	463.57
74	0	469.92
75	0	476.27
76	0	482.62
77	0	488.97
78	0	495.32
79	0	501.67
80	0	508.02
81	0	514.37
82	0	520.72
83	0	527.07
84	0	533.42
85	0	539.77
86	0	546.13
87	0	552.48
88	0	558.83
89	0	565.18
90	0	571.53
91	0	577.88
92	0	584.23
93	0	590.58
94	0	596.93
95	0	603.28
96	0	609.63
97	0	615.98
98	0	622.33
99	0	628.68
100	0	635.03

Download: CSV or JSON

View the complete kg to stone chart

Kilograms converted to stone plus pounds
Kilograms	Stone + pounds
kg	st	lb
1	0	2
2	0	4
3	0	7
4	0	9
5	0	11
6	0	13
7	1	1
8	1	4
9	1	6
10	1	8
11	1	10
12	1	12
13	2	1
14	2	3
15	2	5
16	2	7
17	2	9
18	2	12
19	3	0
20	3	2
21	3	4
22	3	7
23	3	9
24	3	11
25	3	13
26	4	1
27	4	4
28	4	6
29	4	8
30	4	10
31	4	12
32	5	1
33	5	3
34	5	5
35	5	7
36	5	9
37	5	12
38	6	0
39	6	2
40	6	4
41	6	6
42	6	9
43	6	11
44	6	13
45	7	1
46	7	3
47	7	6
48	7	8
49	7	10
50	7	12
51	8	0
52	8	3
53	8	5
54	8	7
55	8	9
56	8	11
57	9	0
58	9	2
59	9	4
60	9	6
61	9	8
62	9	11
63	9	13
64	10	1
65	10	3
66	10	6
67	10	8
68	10	10
69	10	12
70	11	0
71	11	3
72	11	5
73	11	7
74	11	9
75	11	11
76	12	0
77	12	2
78	12	4
79	12	6
80	12	8
81	12	11
82	12	13
83	13	1
84	13	3
85	13	5
86	13	8
87	13	10
88	13	12
89	14	0
90	14	2
91	14	5
92	14	7
93	14	9
94	14	11
95	14	13
96	15	2
97	15	4
98	15	6
99	15	8
100	15	10
102	16	1
104	16	5
106	16	10
108	17	0
110	17	5
112	17	9
114	17	13
116	18	4
118	18	8
120	18	13
122	19	3
124	19	7
126	19	12
128	20	2
130	20	7
132	20	11
134	21	1
136	21	6
138	21	10
140	22	1
142	22	5
144	22	9
146	23	0
148	23	4

Download: CSV or JSON

How to convert stone to kilograms

One stone is 14 pounds, and one pound is exactly 0.45359237 kilograms.

kg = (st × 14 + lb) × 0.45359237

Example: 11 st 7 lb
(11 × 14 + 7) × 0.45359237 = 73.03 kg

See how we calculate

Decimal stones explained

A decimal stone value is not the same as stones and pounds.

11.5 st = 11 st 7 lb

11.3 st does not mean 11 st 3 lb. The .3 is three-tenths of a stone, equal to 4.2 lb.

Common decimal stone fractions in pounds
0.25 st	3.5 lb
0.5 st	7 lb
0.75 st	10.5 lb

Why use Stone to KG?

Built for UK and Imperial units
Handles decimal stones accurately
Fast and mobile-friendly
No account required
No entered weight data is stored

Straightforward answers

Frequently Asked Questions

How many kilograms are in one stone?

One stone is exactly 6.35029318 kilograms. For everyday use, this is usually rounded to 6.35 kg.

How do I convert decimal stones?

Multiply the complete decimal-stone value by 6.35029318. To find its pounds component, multiply only the decimal part by 14.

Is 11.5 stone the same as 11 stone 5 pounds?

No. Half a stone is 7 pounds, so 11.5 stone means 11 stone 7 pounds.

How do I convert stone and pounds to kg?

Multiply the stone by 14, add the extra pounds, then multiply the total pounds by 0.45359237.

Why is body weight still measured in stones in the UK?

Stone remains a familiar everyday convention for personal body weight in the UK and Ireland, even though kilograms are the standard metric unit.

How accurate is the calculator?

Calculations use the exact international pound definition. Kilogram answers are displayed to two decimal places, while calculations retain full precision.

Kilograms	Stone + pounds
kg	st	lb
1	0	2
2	0	4
3	0	7
4	0	9
5	0	11
6	0	13
7	1	1
8	1	4
9	1	6
10	1	8
11	1	10
12	1	12
13	2	1
14	2	3
15	2	5
16	2	7
17	2	9
18	2	12
19	3	0
20	3	2
21	3	4
22	3	7
23	3	9
24	3	11
25	3	13
26	4	1
27	4	4
28	4	6
29	4	8
30	4	10
31	4	12
32	5	1
33	5	3
34	5	5
35	5	7
36	5	9
37	5	12
38	6	0
39	6	2
40	6	4
41	6	6
42	6	9
43	6	11
44	6	13
45	7	1
46	7	3
47	7	6
48	7	8
49	7	10
50	7	12
51	8	0
52	8	3
53	8	5
54	8	7
55	8	9
56	8	11
57	9	0
58	9	2
59	9	4
60	9	6
61	9	8
62	9	11
63	9	13
64	10	1
65	10	3
66	10	6
67	10	8
68	10	10
69	10	12
70	11	0
71	11	3
72	11	5
73	11	7
74	11	9
75	11	11
76	12	0
77	12	2
78	12	4
79	12	6
80	12	8
81	12	11
82	12	13
83	13	1
84	13	3
85	13	5
86	13	8
87	13	10
88	13	12
89	14	0
90	14	2
91	14	5
92	14	7
93	14	9
94	14	11
95	14	13
96	15	2
97	15	4
98	15	6
99	15	8
100	15	10
102	16	1
104	16	5
106	16	10
108	17	0
110	17	5
112	17	9
114	17	13
116	18	4
118	18	8
120	18	13
122	19	3
124	19	7
126	19	12
128	20	2
130	20	7
132	20	11
134	21	1
136	21	6
138	21	10
140	22	1
142	22	5
144	22	9
146	23	0
148	23	4

Kilograms	Stone + pounds
kg	st	lb
1	0	2
2	0	4
3	0	7
4	0	9
5	0	11
6	0	13
7	1	1
8	1	4
9	1	6
10	1	8
11	1	10
12	1	12
13	2	1
14	2	3
15	2	5
16	2	7
17	2	9
18	2	12
19	3	0
20	3	2
21	3	4
22	3	7
23	3	9
24	3	11
25	3	13
26	4	1
27	4	4
28	4	6
29	4	8
30	4	10
31	4	12
32	5	1
33	5	3
34	5	5
35	5	7
36	5	9
37	5	12
38	6	0
39	6	2
40	6	4
41	6	6
42	6	9
43	6	11
44	6	13
45	7	1
46	7	3
47	7	6
48	7	8
49	7	10
50	7	12
51	8	0
52	8	3
53	8	5
54	8	7
55	8	9
56	8	11
57	9	0
58	9	2
59	9	4
60	9	6
61	9	8
62	9	11
63	9	13
64	10	1
65	10	3
66	10	6
67	10	8
68	10	10
69	10	12
70	11	0
71	11	3
72	11	5
73	11	7
74	11	9
75	11	11
76	12	0
77	12	2
78	12	4
79	12	6
80	12	8
81	12	11
82	12	13
83	13	1
84	13	3
85	13	5
86	13	8
87	13	10
88	13	12
89	14	0
90	14	2
91	14	5
92	14	7
93	14	9
94	14	11
95	14	13
96	15	2
97	15	4
98	15	6
99	15	8
100	15	10
102	16	1
104	16	5
106	16	10
108	17	0
110	17	5
112	17	9
114	17	13
116	18	4
118	18	8
120	18	13
122	19	3
124	19	7
126	19	12
128	20	2
130	20	7
132	20	11
134	21	1
136	21	6
138	21	10
140	22	1
142	22	5
144	22	9
146	23	0
148	23	4

Stone to KG Converter

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