Biology of Humans
Metric-English System Conversions
Length
1 inch (in.) = 2.54 centimeters (cm)
1 centimeter (cm) = 0.3937 inch (in.)
1 foot (ft) = 0.3048 meter (m)
1 meter (m) = 3.2808 feet (ft) = 1.0936 yard (yd)
1 mile (mi) = 1.6904 kilometer (km)
1 kilometer (km) = 0.6214 mile (mi)
Volume
1 cubic inch (in.3) = 16.39 cubic centimeters (cm3 or cc)
1 cubic centimeter (cm3 or cc) = 0.06 cubic inch (in.3)
1 cubic foot (ft3) = 0.028 cubic meter (m3)
1 cubic meter (m3) = 35.30 cubic feet (ft3) = 1.3079 cubic yards (yd3)
1 fluid ounce (oz) = 29.6 milliliters (mL) = 0.03 liter (L)
1 milliliter (mL) = 0.03 fluid ounce (oz) = 4 teaspoon (approximate)
1 pint (pt) = 473 milliliters (mL) = 0.47 liter (L)
1 quart (qt) = 946 milliliters (mL) = 0.9463 liter (L)
1 gallon (gal) = 3.79 liters (L)
1 liter (L) = 1.0567 quarts (qt) = 0.26 gallon (gal)
Area
1 square inch (in.2) = 6.45 square centimeters (cm2)
1 square centimeter (cm2) = 0.155 square inch (in.2)
1 square foot (ft2) = 0.0929 square meter (m2)
1 square meter (m2) = 10.7639 square feet (ft2) = 1.1960 square yards (yd2)
1 square mile (mi2) = 2.5900 square kilometers (km2)
1 acre (a) = 0.4047 hectare (ha)
1 hectare (ha) = 2.4710 acres (a) = 10,000 square meters (m2)
Mass
1 ounce (oz) = 28.3496 grams (g)
1 gram (g) = 0.03527 ounce (oz)
1 pound (lb) = 0.4536 kilogram (kg)
1 kilogram (kg) = 2.2046 pounds (lb)
1 ton (tn), U.S. = 0.91 metric ton (t or tonne)
1 metric ton (t or tonne) = 1.10 tons (tn), U.S.
Metric Prefixes |
|
|
Prefix |
Abbreviation |
Meaning |
giga- |
G |
109 = 1,000,000,000 |
mega- |
M |
106 = 1,000,000 |
kilo- |
k |
103 = 1,000 |
hecto- |
h |
102 = 100 |
deka- |
da |
101 = 10 |
|
|
100 = 1 |
deci- |
d |
10-1 = 0.1 |
centi- |
c |
10-2 = 0.01 |
milli- |
m |
10-3 = 0.001 |
micro- |
m |
10-6 = 0.000001 |