Kilograms to Stones Converter

How to convert kilograms to stones

stones = kilograms ÷ 6.35029318

The kilogram is the SI base unit of mass. 1 stone is 14 pounds, exactly 6.35029318 kilograms.

Dividing by 6.35029318 is exact. Written as a multiplication the factor is a repeating decimal, 1 kg = 0.1574730444178… st, so a rounded multiplier such as 0.1575 is slightly off. This converter keeps the exact fraction (50000000/317514659) and rounds only the result it shows.

Worked example: 82 kg

1. Start with the value in kilograms: 82 kg.
2. Divide by 6.35029318, because 1 stone = 6.35029318 kilograms: 82 ÷ 6.35029318 = 12.91278964….
3. Round to the precision you need: 12.91 st to two decimals.
4. In stones and pounds: 12 st 12.8 lb.

Kilograms and stones side by side

Kilograms to stones chart

Print chart

Kilograms from 40 to 140 converted to stones with the exact factor, shown to five significant digits.

Kilograms to stones, part 1 of 4

kg	st	st + lb
40	6.2989	6 st 4.2 lb
41	6.4564	6 st 6.4 lb
42	6.6139	6 st 8.6 lb
43	6.7713	6 st 10.8 lb
44	6.9288	6 st 13 lb
45	7.0863	7 st 1.2 lb
46	7.2438	7 st 3.4 lb
47	7.4012	7 st 5.6 lb
48	7.5587	7 st 7.8 lb
49	7.7162	7 st 10 lb
50	7.8737	7 st 12.2 lb
51	8.0311	8 st 0.4 lb
52	8.1886	8 st 2.6 lb
53	8.3461	8 st 4.8 lb
54	8.5035	8 st 7 lb
55	8.661	8 st 9.3 lb
56	8.8185	8 st 11.5 lb
57	8.976	8 st 13.7 lb
58	9.1334	9 st 1.9 lb
59	9.2909	9 st 4.1 lb
60	9.4484	9 st 6.3 lb
61	9.6059	9 st 8.5 lb
62	9.7633	9 st 10.7 lb
63	9.9208	9 st 12.9 lb
64	10.078	10 st 1.1 lb
65	10.236	10 st 3.3 lb

Kilograms to stones, part 2 of 4

kg	st	st + lb
66	10.393	10 st 5.5 lb
67	10.551	10 st 7.7 lb
68	10.708	10 st 9.9 lb
69	10.866	10 st 12.1 lb
70	11.023	11 st 0.3 lb
71	11.181	11 st 2.5 lb
72	11.338	11 st 4.7 lb
73	11.496	11 st 6.9 lb
74	11.653	11 st 9.1 lb
75	11.81	11 st 11.3 lb
76	11.968	11 st 13.6 lb
77	12.125	12 st 1.8 lb
78	12.283	12 st 4 lb
79	12.44	12 st 6.2 lb
80	12.598	12 st 8.4 lb
81	12.755	12 st 10.6 lb
82	12.913	12 st 12.8 lb
83	13.07	13 st 1 lb
84	13.228	13 st 3.2 lb
85	13.385	13 st 5.4 lb
86	13.543	13 st 7.6 lb
87	13.7	13 st 9.8 lb
88	13.858	13 st 12 lb
89	14.015	14 st 0.2 lb
90	14.173	14 st 2.4 lb
91	14.33	14 st 4.6 lb

Kilograms to stones, part 3 of 4

kg	st	st + lb
92	14.488	14 st 6.8 lb
93	14.645	14 st 9 lb
94	14.802	14 st 11.2 lb
95	14.96	14 st 13.4 lb
96	15.117	15 st 1.6 lb
97	15.275	15 st 3.8 lb
98	15.432	15 st 6.1 lb
99	15.59	15 st 8.3 lb
100	15.747	15 st 10.5 lb
101	15.905	15 st 12.7 lb
102	16.062	16 st 0.9 lb
103	16.22	16 st 3.1 lb
104	16.377	16 st 5.3 lb
105	16.535	16 st 7.5 lb
106	16.692	16 st 9.7 lb
107	16.85	16 st 11.9 lb
108	17.007	17 st 0.1 lb
109	17.165	17 st 2.3 lb
110	17.322	17 st 4.5 lb
111	17.48	17 st 6.7 lb
112	17.637	17 st 8.9 lb
113	17.794	17 st 11.1 lb
114	17.952	17 st 13.3 lb
115	18.109	18 st 1.5 lb
116	18.267	18 st 3.7 lb
117	18.424	18 st 5.9 lb

Kilograms to stones, part 4 of 4

kg	st	st + lb
118	18.582	18 st 8.1 lb
119	18.739	18 st 10.4 lb
120	18.897	18 st 12.6 lb
121	19.054	19 st 0.8 lb
122	19.212	19 st 3 lb
123	19.369	19 st 5.2 lb
124	19.527	19 st 7.4 lb
125	19.684	19 st 9.6 lb
126	19.842	19 st 11.8 lb
127	19.999	20 st 0 lb
128	20.157	20 st 2.2 lb
129	20.314	20 st 4.4 lb
130	20.471	20 st 6.6 lb
131	20.629	20 st 8.8 lb
132	20.786	20 st 11 lb
133	20.944	20 st 13.2 lb
134	21.101	21 st 1.4 lb
135	21.259	21 st 3.6 lb
136	21.416	21 st 5.8 lb
137	21.574	21 st 8 lb
138	21.731	21 st 10.2 lb
139	21.889	21 st 12.4 lb
140	22.046	22 st 0.6 lb

stones = kilograms ÷ 6.35029318. Factors: NIST Handbook 44, BIPM SI Brochure, UK Weights and Measures Act 1985. unitcheck.net/weight/kilograms-to-stones/

Stones and pounds

Body weight in the UK and Ireland is normally said in stones and pounds, not decimal stones. The converter shows both forms: 70 kg is 11.02 st, or 11 st 0.3 lb.

Going the other way? Use the Stones to Kilograms converter.