Measure

Metric

Imperial

5mm

¼ inch

1cm

½ inch

2cm

¾ inch

2.5cm

1 inch

3cm

1 ¼ inch

4cm

1 ½ inch

5cm

2 inch

7.5cm

3 inch

10cm

4 inch

15cm

6 inch

18cm

7 inch

20.5cm

8 inch

23cm

9 inch

25.5cm

10 inch

28cm

11 inch

30.5cm

12 inch

Weights

Metric

Imperial

15g

½ oz

25g

1 oz

40g

1 ½ oz

50g

2 oz

75g

3 oz

100g

3 ½ oz

125g

4 oz

150g

5 oz

175g

6 oz

200g

7 oz

225g

8 oz

250g

9 oz

275g

10 oz

300g

11 oz

350g

12 oz

375g

13 oz

400g

14 oz

425g

15 oz

450g

1 lb

550g

1 ¼ oz

700g

1 ½ oz

900g

2 lb

1.1kg

2 ½ lb