The following tables provide a summary of the Volume units (both Fluid Volume units and Cubic Volume units) within their respective measurement systems.
Fluid Volume Units
Note: There is a difference between US Customary Units and the Imperial System for volume conversions. The US gallon contains 128 US fluid ounces, whereas the Imperial gallon contains 160 Imperial fluid ounces.
Cubic Volume Units
Unit |
Symbol |
Measurement System |
Description |
cubic inches |
in3 |
US Customary Units/Imperial System |
46,656 in3 = 1 yd3 |
cubic feet |
ft3 |
US Customary Units/Imperial System |
1 ft3 = 1,728 in3 |
cubic yards |
yd3 |
US Customary Units/Imperial System |
1 yd3 = 27 ft3 |
cubic miles |
mi3 |
US Customary Units/Imperial System |
1 mi3 = 5,451,776,000 yd3 |
cubic millimeters |
mm3 |
Metric System |
1 m3 = 1,000,000,000 mm3 |
cubic centimeters |
cm3 |
Metric System |
1 m3 = 1,000,000 cm3 |
cubic decimeters |
dm3 |
Metric System |
1 m3 = 1,000 dm3 |
cubic meters |
m3 |
Metric System |
base unit |
cubic decameter |
dam3 |
Metric System |
1 dam3 = 1,000 m3 |
cubic kilometer |
km3 |
Metric System |
1 km3 = 1,000,000,000 m3 |