Units of Measure and Conversions
Abbreviations for Units of Measurement U.S. Standard Metric Distance in. inch km kilo meter ft foot hm hecto meter yd yard dam deka meter mi mile m meter dm deci meter cm centi meter mm milli meter Volume gal gallon kL kilo liter qt quart hL hecto liter pt pint daL deka liter fl oz fluid ounce L liter dL deci liter cL centi liter mL milli liter cm3 cubic centimeter cc cubic centimeter
Weight/Mass lb pound t metric ton oz ounce kg kilo gram T ton hg hecto gram dag deka gram g gram dg deci gram cg centi gram mg milli gram
Time s second hr hour sec second wk week min minute yr year
Temperature oF degree Fahrenheit oC degree Celsius
American Unit Conversions Time & Temperature Length 12 in. = 1 ft 1 day = 24 hr 1 wk = 7 days 3 ft = 1 yd 1 hr = 60 min 1 1 yr = 365 days 36 in. = 1 yd 1 min = 60 sec 4 5280 ft = 1 mi Celcius to Fahrenheit Volume 8 fl oz = 1 cup 9 F = C + 32 , or F = 1.8 C + 32 (liquid) 2 cups = 1 pt 5 2 pt = 1 qt 4 qt = 1 gal Fahrenheit to Celcius 5 F - 32 C = (F - 32) , or C = Weight 16 oz = 1 lb 9 1.8 2000 lb = 1 T Metric Unit Conversions
Length Quick Notes: 10 mm = 1 cm 100 cm = 1 m 1000 m = 1 km
1000 m 100 m 10 m 1 m 0.1 m 0.01 m 0.001 m 1 km 1 hm 1 dam 1 m 1 dm 1 cm 1 mm
Example:3.06 mm = ? m
3.06mm 0.001 m 0.00306m 11mm
or Move the decimal point 3 places to the left according to the table
Volume Quick Notes: 1000 mL = 1 L 1000 cm3 = 1 L 1000 cc = 1 L
1000 L 100 L 10 L 1 L 0.1 L 0.01 L 0.001 L 1 kL 1 hL 1 daL 1 L 1 dL 1 cL 1 mL (cc)
Example: 47 L = ? dL
47 L 1 dL = 470 dL 1 0.1 L
or Move the decimal point 1 place to the right according to the table
Weight Quick Notes: 1000 mg = 1 g 1000 g = 1 kg Medical Applications: 1 microgram = 1 mcg = 0.000001 g 1,000,000 mcg = 1 g
1000 g 100 g 10 g 1 g 0.1 g 0.01 g 0.001 g 1 kg 1 hg 1 dag 1 g 1 dg 1 cg 1 mg
Example:500 kg = ? mg
546 kg 1000 g 1 mg = 546,000,000 mg 1 1 kg 0.001 g
or Move the decimal point 6 places to the right according to the table
Converting Between Amercian Units & Metric Units
AMERICAN METRIC 1 in. = 2.540 cm 1 ft = 0.305 m 1 yd = 0.914 m 1 mi = 1.609 km 0.621 mi = 1 km 1.094 yd = 1 m 3.281 ft = 1 m 39.370 in. = 1 m 1 lb = 0.454 kg 2.205 lb = 1 kg 1gal = 3.785 L 0.264 gal = 1 L
LSC-Montgomery Learning Center: Units of Measure and Conversions Updated 4/14/2011 2 Examples
(1) How many yards (yd) are there in 4.5 kilometers (km)? 4.5 km 1 mi 5280 ft 1 yd 4.5 km = 1 1.609 km 1 mi 3 ft = 4922.3 yd (nearest tenth)
(2) What is the speed of a car in miles per hour (mph) if it is traveling at a rate of 16 meters per second (m/s)?
16 m 1 km 1 mi 60 s 60 min 16 m/s 1 s 1000 m 1.609 km 1 min 1 hr = 35.8 mph (nearest tenth)
(3) What is a truck's gas mileage in miles per gallon (mpg) if it can travel 5 kilometers (km) on 1 liter (L) of gasoline? 5 km 1 mi 3.785 L 5 km/L = 1 L 1.609 km 1 gal = 11.8 mpg (nearest tenth)
(4) How many fluid ounces (fl oz) are there in 3.2 liters (L)?
3.2 L 1 gal 4 qt 2 pt 2 cups 8 fl oz 3.2 L = 1 3.785 L 1 gal 1 qt 1 pt 1 cup = 108.2 fl oz (nearest tenth)
LSC-Montgomery Learning Center: Units of Measure and Conversions Updated 4/14/2011 3