The money datatypes hold fixed precision values for currency or monetary values:
money – monetary values between -922,337,203,685,477.5808 and 922,337,203,685,477.5807, with accuracy to 1/10000 of a monetary unit. Storage size is 8 bytes.
smallmoney – monetary values between -214,748.3648 and 214,748.3647, with accuracy to 1/10000 of a monetary unit. Storage size is 4 bytes.
