The Metric and British Systems
Table of Comparison
| Metres. | Decimetres. | Centimetres | Millimeters. | Inches. |
| ·001 | ·01 | ·1 | 1 | ·039 |
| ·002 | ·02 | ·2 | 2 | ·079 |
| ·003 | ·03 | ·3 | 3 | ·118 |
| ·004 | ·04 | ·4 | 4 | ·157 |
| ·005 | ·05 | ·5 | 5 | ·197 |
| ·006 | ·06 | ·6 | 6 | ·236 |
| ·007 | ·07 | ·7 | 7 | ·276 |
| ·008 | ·08 | ·8 | 8 | ·315 |
| ·009 | ·09 | ·9 | 9 | ·354 |
| ·01 | ·1 | 1 | 10 | ·394 |
| ·02 | ·2 | 2 | 20 | ·787 |
| ·03 | ·3 | 3 | 30 | 1·181 |
| ·04 | ·4 | 4 | 40 | 1·575 |
| ·05 | ·5 | 5 | 50 | 1·968 |
| ·06 | ·6 | 6 | 60 | 2·362 |
| ·07 | ·7 | 7 | 70 | 2·756 |
| ·08 | ·8 | 8 | 80 | 3·150 |
| ·09 | ·9 | 9 | 90 | 3·543 |
| ·1 | 1 | 10 | 100 | 3·94 |
| ·2 | 2 | 20 | 200 | 7·87 |
| ·3 | 3 | 30 | 300 | 11·81 |
| ·4 | 4 | 40 | 400 | 15·75 |
| ·5 | 5 | 50 | 500 | 19·69 |
| ·6 | 6 | 60 | 600 | 23·62 |
| ·7 | 7 | 70 | 700 | 27·56 |
| ·8 | 8 | 80 | 800 | 31·50 |
| ·9 | 9 | 90 | 900 | 35·43 |
| 1 | 10 | 100 | 1000 | 39·37 |
Weight
1 gramme = 15·44 grains.
28-1/3 grammes = 1 oz. avoird.
1 kilogramme = 1000 grammes = 2·20 lb. avoird.
Length
1 metre = 100 centimetres = 39·37 inches. Roughly speaking, 1 metre = a yard and a tenth. 1 centimetre = two-fifths of an inch. 1 kilometre = 1000 metres = five-eighths of a mile.
Volume
1 cubic metre = 1000 litres = 35·32 cubic feet.
1 litre = 1000 cubic centimetres = ·2202 gall.
Heat
1 calorie = 3·96 British thermal units.