Mega1000000
Units
M
Units of Measurement
Kilo1000
Units
k
Hecto100
Units
h
Deka10
Units
da
To convert to a smaller unit, move
decimal point to the right or multiply.
Basic
Unit
To convert to a larger unit, move
decimal point to the left or divide.
Deci0.1
Units
d
Centii0.01
Units
c
Milli0.001
Units
m
Metric and SI (in BOLD) Basic Units:
Micro0.000001
Units

Quantity
Name (SI)
Symbol (SI)
Length
meter
m
Temperature (SI in K)
Mass
gram (kilogram)
g (kg)
o
Volume
liter (cubic meter)
L (m3)
1.8
o
F  1.8 o C  32
Time
Electric current
second
ampere
s
A
K  C  273.15
o
F  1.8K  459.67
C
( o F  32)
o
Absolute zero 
0K or
273.15 o C or
459.67 o F
Mass
Length
Area
Volume
1 m2  10000 cm2
1 km2  1000000 m2
1 mL  1 cm3  1 cc
1000 mL  1 L
1 L  1 dm3
1 ft2  144 in2
1 mi2  27878400 ft2
1 acre  43560 ft2
1 gal  4 qt  8 pt
1 qt  2 pt  4 cups
1 pt  16 fl oz  2 cups
1 cup  8 fl oz  16 T
1T3t
1 fl oz  2 T  6 t
1 ft3  1728 in3  7.482 gal
1 ft2  929.0 cm2
1 m2  10.76 ft2
1 in2  6.452 cm2
1 cm2  0.1550 in2
1 fl oz  29.57 mL
1 gal  3.785 L
1 qt  0.9461 L
1 L  1.057 qt
1 cup  236.6 ml
1 ft3  28.32 L
1 in3  16.39 cm3
1 cm3  0.06102 in3
Metric Units of Measure
1000 g  1 kg
1000 mg  1 g
10 mm  1 cm
100 cm  1 m
English Units of Measure
1 lb  16 oz
1 ton  2000 lbs
1 lb  7000 grains
1 foot  12 in
1 yd  3 ft
1 mile  5280 ft
1 mile  1760 yds
1 furlong  660 ft
Useful English & Metric Conversions
1 oz  28.35 g
1 lb  453.6 g
1 kg  2.205 lb
1 lb  0.4536 kg
1 ton  907.2 kg
1 in  2.54 cm (exactly)
1 mile  1.609 km
1 km  0.6214 mile
1 m  39.37 in
1 km  3281 ft
1 yd  91.44 cm
1 ft  30.48 cm
1 m  3.281 ft