SIZE
Quick reference
1
inch is about 25mm (millimetres)
1
cm (centimetre) is 10mm (millimetres)
1 metre is 100cm (or
1000mm)
| millimetres |
inches
(approx) |
| 6 mm |
1/4 inch |
| 12 mm |
1/2 inch |
| 19 mm |
3/4 inch |
| 25 mm |
1 inch |
| 31 mm |
1 1/4
inch |
| 37 mm |
1 1/2
inch |
| 44 mm |
1 3/4
inch |
| 50 mm |
2 inch |
| 62 mm |
2 1/2
inch |
| 75 mm |
3 inch |
| 87 mm |
3 1/2
inch |
| 100 mm |
4 inch |
| 125 mm |
5 inch |
| 150 mm |
6 inch |
| 175 mm |
7 inch |
| 200 mm |
8 inch |
| 225 mm |
9 inch |
| 250 mm |
10 inch |
| 275 mm |
11 inch |
| 300 mm |
12 inch |
| 1000 mm (1
metre) |
39 1/2
inch |
|
|
|
WEIGHT
Quick reference
1
ounce is about 28 grams
1
pound is about 450 grams
1000g (grams) is 1 kilogram
| grams |
ounces/pounds
(approx) |
| 14g |
1/2 ounce |
| 28g |
1 ounce |
| 57g |
2 ounce |
| 85g |
3 ounce |
| 113g |
4 ounce |
| 142g |
5 ounce |
| 170g |
6 ounce |
| 198g |
7 ounce |
| 227g |
8 ounce |
| 255g |
9 ounce |
| 284g |
10 ounce |
| 312g |
11 ounce |
| 340g |
12 ounce |
| 368g |
13 ounce |
| 397g |
14 ounce |
| 425g |
15 ounce |
| 454g |
16 ounce (1
pound) |
| 1000g (1
kilogram) |
35 ounce (2.2
pounds) |
|