<<

Units of Measure and Conversions

Abbreviations for Units of U.S. Standard Metric Distance in. inch km kilo meter ft hm hecto meter yd yard dam deka meter mi mile m meter dm deci meter cm centi meter mm milli meter Volume kL kilo liter qt quart hL hecto liter pt pint daL deka liter fl oz fluid L liter dL deci liter cL centi liter mL milli liter cm3 cubic centimeter cc cubic centimeter

Weight/ lb t metric ton oz ounce kg kilo T ton hg hecto gram dag deka gram g gram dg deci gram cg centi gram mg milli gram

Time s hr sec second wk week min yr year

Temperature oF oC degree

American Unit Conversions Time & Length 12 in. = 1 ft 1 = 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 &

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 (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