1м2 54дм2 дм2?

To convert square meters (м2) to square decimeters (дм2), you need to multiply the given value by 100, since there are 100 square decimeters in a square meter.

1 м2 = 1 * 100 дм2 = 100 дм2

So, 1m2 is equal to 100 dm2.