Tables of Unit Conversion Information
Study the information in the tables below. When you're ready, test your knowledge with these exercises:
- classifying units as length, time, volume, weight/mass
- practice with unit abbreviations
- practice with unit names
- practice with unit conversion information
- one-step conversions
- multi-step conversions
- rate problems
Abbreviations may be used for either singular or plural usage:
1 foot is abbreviated as 1 ft
2 feet is abbreviated as 2 ft
UNITS OF LENGTH
Name of Unit | Common Abbreviation | Conversion Information |
---|---|---|
millimeter (metric) | mm | |
centimeter (metric) | cm |
1 cm is about 0.4 in
a centimeter is shorter than an inch
|
meter (metric) | m |
1 m is about 1.1 yd
a meter is a little longer than a yard
1 m = 1000 mm
1 m = 100 cm
|
kilometer (metric) | km |
1 km is about 0.6 mi
a kilometer is shorter than a mile
a kilometer is a little more than half a mile
1 km = 1000 m
|
inch | in | 1 in is about 2.5 cm |
foot | ft | 1 ft = 12 in |
yard | yd |
1 yd = 36 in
1 yd = 3 ft
|
mile | mi |
1 mi is about 1.6 km
a mile is longer than a kilometer
a mile is a little more than one and a half kilometers
1 mi = 5,280 ft
|
UNITS OF TIME
Name of Unit | Common Abbreviation | Conversion Information |
---|---|---|
second | sec | |
minute | min | 1 min = 60 sec |
hour | hr | 1 hr = 60 min |
day | 1 day = 24 hr | |
week | wk | 1 wk = 7 days |
month | 1 month is about 30 days | |
year | yr |
1 year is about 365 days
1 year is about 52 weeks
|
decade | 1 decade = 10 yr | |
century | 1 century = 100 yr |
UNITS OF VOLUME
Name of Unit | Common Abbreviation | Conversion Information |
---|---|---|
liter (metric) |
1 liter is about 1.1 qt
a liter is a little more than a quart
1 liter = 1000 ml
|
|
milliliter (metric) | ml | |
gallon | gal | 1 gal = 4 qt |
quart | qt | 1 qt = 4 cups |
pint | pt | 1 pt = 2 cups |
cup | 1 cup = 8 fl oz | |
fluid ounce | fl oz | |
tablespoon | tb | 1 tb = 3 tsp |
teaspoon | tsp |
UNITS OF MASS AND WEIGHT
Name of Unit | Common Abbreviation | Conversion Information |
---|---|---|
kilogram (metric) | kg | 1 kg = 1000 g |
gram (metric) | g | |
ton | 1 ton = 2000 lb | |
pound | lb | 1 lb = 16 oz |
ounce | oz |
When you're done studying this information, move on to:
Classifying Units as Length, Time, Volume, Weight/Mass
Classifying Units as Length, Time, Volume, Weight/Mass