length is measured in meters and the symbol for that is m
mass is measured in kilogram and the symbol for that is kg
time is measured in seconds and the symbol for that is s
electric current is measured in ampere and the symbol for that is A
thermodynamic temperature is measured in kelvin and the symbol for that is K
amount of substance is measured in mole and the symbol for that is mol
luminous intensity is measured in candela and the symbol for that is cd
King - kilometers Henry - hectameters Died - decameter A Miserable - meter Death - decimeter Called - centimeter Measles - millimeter10x to move down /10 to move up
if the units are cubed it works the same as the kinghenryscale but x103 move down and /103 to move up