SCIENCE
U.S. Customary Units
Length
1 foot (ft) = 12 inches (in)
1 yard (yd) = 3 feet = 36 inches (in)
1 chain = 22 yards (yd)
1 furlong = 10 chains
1 mile (mi) = 8 furlongs = 5280 feet (ft)
1 mile = 1760 yards (yd)
Area
1 square foot = 144 square inches
1 square yard = 9 square feet
1 acre (A)= 43,560 square feet
1 square mile = 640 acres
1 Section = 1 square mile
1Township = 36 Sections
1 Square = 100 square feet
Volume
1 cubic foot = 1728 cubic inches
1 cubic yard = 27 cubic feet
Weight
1 ounce (oz) = 0.0625 pounds (lb)
1 pound (lb) = 16 ounces (oz)
1 ton = 2000 pounds (lb)
Capacity
1 cup (c) = 8 fluid ounces (fl oz)
1 pint (pt) = 2 cups (c)
1 pint (pt) = 16 ounces (oz)
1 quart (qt) = 2 pints (pt)
1 quart (qt) = 4 cups (c)
1 gallon (gal) = 4 quarts (qt)
1 peck (pk) = 2 gallons (gal)
1 bushel (bu) = 4 pecks (pk)
Temp
Degrees Fahrenheit (⁰F)
U.S. Customary Measurement System
Conversion Factors
(U.S. Customary to Metric)
U.S. Units:
Multiplied by:
Equals Metric Units:
Length
inches (in)
2.54
centimeters (cm)
feet (ft)
0.3048
meters (m)
miles (mi)
1.61
kilometers (km)
Area
square feet (ft
2
)
0.929
square meter (m
2
)
square yard (yd
2
)
0.836
square meter (m
2
)
square mile (mi
2
)
2.59
square kilometer (km
2
)
Volume
cubic inches (in
3
)
16.39
cubic centimeters (cm
3
)
cubic feet (ft
3
)
0.03
cubic meters (m
3
)
cubic yards (yd
3
)
0.76
cubic meters (m
3
)
Weight
ounces (oz)
28.35
grams (g)
pounds (lb)
0.45
kilograms (kg)
short tons (2,000 lbs)
0.9
metric tons
Capacity
fluid ounces (fl oz)
29.57
milliliters (mL)
cups (c)
0.24
liters (L)
pints (pt)
0.47
liters (L)
quarts (qt)
0.95
liters (L)
gallons (gal)
3.79
liters (L)
Temp
Degrees Fahrenheit (⁰F)
(⁰F - 32) x
5
/
9
Degrees Celcius (⁰C)
I
.S. Custo ary Units
Length
1 fo t (ft) = 12 inches (in)
1 yard (yd) = 3 fe t = 36 inches (in)
1 chain = 2 yards (yd)
1 furlong = 10 chains
1 mile (mi) = 8 furlongs = 5280 fe t (ft)
1 mile = 1760 yards (yd)
Area
1 square fo t = 14 square inches
1 square yard = 9 square fe t
1 acre (A)= 43,560 square fe t
1 square mile = 640 acres
1 Section = 1 square mile
1Township = 36 Sections
1 Square = 10 square fe t
Volume
1 cubic fo t = 1728 cubic inches
1 cubic yard = 27 cubic fe t
Weight
1 ounce (oz) = 0.0625 pounds (lb)
1 pound (lb) = 16 ounces (oz)
1 ton = 20 pounds (lb)
Capacity
1 cup (c) = 8 fluid ounces (fl oz)
1 pint (pt) = 2 cups (c)
1 pint (pt) = 16 ounces (oz)
1 quart (qt) = 2 pints (pt)
1 quart (qt) = 4 cups (c)
1 gallon (gal) = 4 quarts (qt)
1 peck (pk) = 2 gallons (gal)
1 bushel (bu) = 4 pecks (pk)
Temp
Degre s Fahrenheit (⁰F)
. . st
s
t st
Conversion Factors
(U.S. Custo ary to Metric)
U.S. Units:
Multiplied by:
Equals Metric Units:
Length
inches (in)
2.54
centimeters (cm)
fe t (ft)
0.3048
meters (m)
miles (mi)
1.61
kilometers (km)
Area
square fe t (ft
2
)
0.929
square meter (m
2
)
square yard (yd
2
)
0.836
square meter (m
2
)
square mile (mi
2
)
2.59
square kilometer (km
2
)
Volume
cubic inches (in
3
)
16.39
cubic entimeters (cm
3
)
cubic fe t (ft
3
)
0.03
cubic meters (m
3
)
cubic yards (yd
3
)
0.76
cubic meters (m
3
)
Weight
ounces (oz)
28.35
grams (g)
pounds (lb)
0.45
kilograms (kg)
short ons (2,0 lbs)
0.9
metric tons
Capacity
fluid ounces (fl oz)
29.57
milli ters (mL)
cups (c)
0.24
liters (L)
pints (pt)
0.47
liters (L)
quarts (qt)
0.95
liters (L)
gallons (gal)
3.79
liters (L)
Temp
Degre s Fahrenheit (⁰F)
(⁰F - 32) x
5
/
9
Degre s Celcius (⁰C)
SM-79
