Metric and Imperial Conversion

Conversions at a glance with tables

Here are some useful conversion (imperial/metric) tables, the central number in each row represents either of the adjacent measures - so 1 centimetre = 0.394 inch, or 1 inch = 2.540 centimetres.

Length

- area - weight - capacity

centimetres		inches
2.540	1	0.394
5.080	2	0.787
7.620	3	1.181
10.160	4	1.575
12.700	5	1.969
15.240	6	2.362
17.780	7	2.756
20.320	8	3.150
22.860	9	3.543
25.400	10	3.937
27.940	11	4.331
30.480	12	4.724

metres		yards
0.914	1	1.094
1.829	2	2.187
2.743	3	3.281
3.658	4	4.374
4.572	5	5.468
5.486	5	6.562
6.401	7	7.655
7.315	8	8.749
8.230	9	9.843
9.144	10	10.936

Area

length - weight - capacity

sq metres		sq yards
0.836	1	1.196
1.672	2	2.392
2.508	3	3.588
3.344	4	4.784
4.181	5	5,980
5.017	6	7.176
5.853	7	8.372
6.689	8	9.568
7.525	9	10.764
8.361	10	11.96

Weight

length - area - capacity

grams		ounces
28.35	1	0.353
56.70	2	0.706
85.05	3	1.059
113.40	4	1.412
141.75	5	1.765
170.10	6	2.118
198.45	7	2.471
226.8	8	2.842
255.15	9	3.177
283.5	10	3.530
311.85	11	3.883
340.20	12	4.236
368.55	13	4.589
396.90	14	4.942
425.25	15	5.295
453.60	16	5.648

Kilograms		Pounds
0.57	1/8	0.276
0.113	1/4	0.551
0.227	1/2	1.102
0.454	1	2.204
0.907	2	4.408
1.361	3	6.612
1.814	4	8.816
2.268	5	11.02
2.722	6	13.224
3.175	7	15.428
3.629	8	17.632
4.082	9	19.836
4.536	10	22.040

Capacity

length - area - weight

litres		pints
0.568	1	1.76
1.137	2	3.52
1.705	3	5.28
2.273	4	7.04
2.842	5	8.80
3.410	6	10.56
3.978	7	12.32
4.546	8	14.08
5.115	9	15.84
5.683	10	17.6

litres		gallons
4.55	1	0.22
9.09	2	0.44
13.64	3	0.66
18.18	4	0.88
22.73	5	1.10
27.28	6	1.32
31.82	7	1.54
36.37	8	1.76
40.91	9	1.98
45.46	10	2.20

length - area - weight - capacity