| To convert temperature |
Into |
Multiply by |
| °F |
°C |
0.556°C -17.8 |
| °F |
°F |
1.8°C +32 |
| °C |
°K |
1.0°C +273 |
| Lenght |
|
|
| mils |
microns |
25.4 |
| mils |
millimeters |
0.0254 |
| inches |
mils |
1000 |
| inches |
centimeters |
2.54 |
| feet |
meters |
0.3048 |
| miles |
feet |
5280 |
| yards |
feet |
3 |
| Mass |
|
|
| ounces |
grams |
28.4 |
| pounds |
kilograms |
0.45 |
| grams |
ounces (troy) |
0.03215 |
| tons |
pounds |
2000 |
| Area |
|
|
| square inches |
square centimeters |
6.5 |
| square feet |
square meters |
0.09 |
| square yards |
square meters |
0.8 |
| square miles |
square kilometers |
2.6 |
| acres |
hectares |
0.4 |
| Volume |
|
|
| teaspoons |
millimeters |
5 |
| tablespoons |
millimeters |
15 |
| fluid ounces |
millimeters |
30 |
| quarts |
liters |
0.95 |
| gallons |
liters |
3.8 |
| cubic feet |
cubic meters |
0.03 |
| cubic yards |
cubic meters |
0.76 |
| Universal Gas Constant |
R=0.0821 (Atm) (I)/(°K) (mole) |
|
| Acceleration Due to Gravity |
g=32.17ft/sec² 9.8m/sec² |
|
| Avogrado’s Constant |
N=6.023×10²³molecules/mole |
|
| Speed of Light |
c=186,000 miles/sec, 3×10¹° cm/sec |
|
| Heat of Fusion (water 1atm, 0°C) |
Hf=79.7 cal/g |
|
| Heat of Vaporization (water 1atm, 100°C) |
Hv=540 cal/g |
|
| Volume of Perfect Gas |
22.4l at 0°C, 760 torr |
|
| Faraday’s Constant |
F=96.494 coulombs/equiv.weight |
|
| Planck’s Constant |
h=6.626×10 (-27) erg/sec |
|
| Bragg’s Law |
n=2d sin |
|
| Absolute Zero |
-273.15°C |
|
| Temperature of Liquid Nitrogen |
-195.8°C |
|