How many square millimeters are in one square meter?

Answer 1

There are 1000 millimeters in one metre, therefore: 1m2 = (10002) mm2 = 1 000 000 mm2

So there are one million square millimetres in a square metre.

To work this out it is best to start in 1 dimension. 1 metre is equal to 1,000 millimetres. Square both sides and you get 1 square metre is equal to 1,000,000 square millimetres. Thus there are 1,000,000 square millimetres in a square metre.

Answer 2

Square millimeters can't be converted to meters. Square millimeters measure area, while meters measure length.