1990
Chat with our AI personalities
dm and dm refer to the same unit, decimetres. Therefore, 25 dm is equal to 25 dm (decimetres). Another, similar unit, the decametre, is abbreviated dam.
2.5 dm
25 dm
Neither. 1m is really short while 25 dm is absurdly tall. There are people with those heights but they are exceptions.
They are equivalent.