Here is a chart of handy conversion factors. The FAQ team are currently working on a JavaScript version of this chart and it will be made available at the earliest possible convenience.
Conversion Factors
| Length: |
units |
conversion factor |
metric units |
| |
inches |
2.54 |
centimeters |
| |
feet |
0.305 |
meters |
| |
yard |
0.915 |
meters |
| |
centimeters |
0.394 |
inches |
| |
meters |
3.28 |
feet |
| |
meters |
1.094 |
yards |
| |
|
|
|
| Area: |
square inches |
6.5 |
sq. centimeters |
| |
square feet |
0.093 |
sq. meters |
| |
acres |
0.405 |
hectares |
| |
sq. centimeters |
0.155 |
sq. inches |
| |
sq. meters |
10.76 |
sq. feet |
| |
|
|
|
| Volume: |
cubic inches |
16.4 |
cubic centimeters |
| |
cubic feet |
0.03 |
cubic meters |
| |
cubic yards |
0.765 |
cubic meters |
| |
cubic cm |
0.061 |
cubic inches |
| |
cubic meters |
35.31 |
cubic feet |
| |
cubic meters |
1.31 |
cubic yards |
| |
u.s. gallons |
3.785 |
liters |
| |
Imp. gallons |
4.545 |
liters |
| |
liters |
0.2642 |
U.S. gallons |
| |
liters |
0.22 |
Imp. gallons |
|
|
|
|
| Weight: |
ounces (Av) |
28.35 |
grams |
| |
pounds (Av) |
0.4536 |
Kilograms |
| |
grams |
0.0353 |
ounces (Av) |
| |
Kilograms |
0.205 |
pounds (Av) |
|
|
|
|
| Temp: |
Fahrenheit |
0.56 deg. |
Celcius (F-32) |
| |
Celcius |
1.8 |
Fahrenheit (F+32) |
|
Examples: Convert: 8" to centimeters (cm) : 8" x 2.54 = 20.32cm
Convert: 40 F to Celcius : (40-32) x 0.56 = 8 x 0.56 = 4.48 C
Convert: 10 C to Fahrenheit : (10 x 1.8) + 32 = 50 F