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There are 10 millimetres in one centimetre, so 30 centimentres is equal to 300 millimetres.

Q: How many millimetres in 30 cm?

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There are 30 millimetres in 3cm

It would be 3 cm.

1 centimetre is equal to 10 millimetres. Therefore, 30 millimetres is equal to 30 / 10 = 3 centimetres.

10 millimetres = 1 centimetre so 30 mm = 30/10 = 3 cm. Simple!10 millimetres = 1 centimetre so 30 mm = 30/10 = 3 cm. Simple!10 millimetres = 1 centimetre so 30 mm = 30/10 = 3 cm. Simple!10 millimetres = 1 centimetre so 30 mm = 30/10 = 3 cm. Simple!

38 millimetres

There are 10 millimetres in one centimetre. Therefore, 300 millimetres is equal to 300 / 10 = 30 centimetres.30 cm

1 centimetre = 10 millimetres so 30 cm = 30*10 = 300 mm. Simple!

There are 10 millimetres in one centimetre. Therefore, 30 centimetres is equal to 30 x 10 = 300 millimetres. This is one tenth of 3000 millimetres.

30 cm or 300 mm onstandard metric school ruler

10 mm in 1 cm

there are 10 millimetres in 1 cm so there are 1.2 x 10 millimmetres in 1.2 com= 12 millimetres

There are 10 millimetres in one centimetre. Therefore, 3.4 centimetres is equal to 3.4 x 10 = 34 millimetres. This is 4 millimetres longer than 30 millimetres.