Measurement Conversion Chart

Temperatures   Weights  
Fahrenheit Celsius Avoirdupois Metric
32 (freezing) 0 0.035 ounces (oz.) 1.0 gram (g.)
41 5 1.0 oz. 28.57 g.
50 10 16 oz. = 1 pound (lb.) 454 g.
68 20 2.2 lbs. 1.0 kilogram (kg.)
86 30 2000 lbs. = 1 ton (t.) 909.09 kg.
95 35    
104 40    
212 (boiling) 100    
To change F to C, subtract 32 and multiply by 5/9. To change C to F, multiply C by 9/5 and add 32.    

Distances   Volume  
U.S. Measures Metric U. S. Measures Metric
0.39 inches (in.) 1 centimeter (cm.) 1 cup = 8 oz. 0.24 liters (l.)
1.0 in. 2.54 cm. 2 cups = 6oz.= 1pint (pt) 0.4732 l.
12 in. – 1 foot (ft.) 30.48 cm. 32 oz. = 2 pt. = 1 quart (qt) 0.946 l.
36 in. = 3 ft. = 1 yard (yd) 91.44 cm. 1.05 qts. 1 l.
39.37 in.=3.28ft.=1.09 yd. 1 meter (m.) 4 qts. = 1 gallon (gal.) 3.7853 l.
0.625 miles 1 kilometer (km.)   To change liters to gallons, multiply by 0.264 or ¼.
5,280 ft. = 1 mile 1.61.km.    
100 miles 161 km.    

To change km to miles, multiply by 0.62. For approximate distance, multiply by 2/3 or take 1/3 off the total.

Area  
U.S. Measures Metric
4.840 square yards = 1 acre 0.405 hectares
2,471 acres 1 hectare
640 acres – 1 square mile 15.62 square km.