Conversion Factors
Length
1 inch = 2.54 cm (=0.0254 m)
1 foot = 0.3048 meters
1 yard = 0.9144 meters
1 cm =10 millimeters
1 square foot = 0.092903 m2
1meter =100 cm
1 kilometer =0.621miles
Mass
1 pound = 0.45359237 kg
1 kg =1000g
Volume
1 quart = 946.353 ml
1 fluid ounce = 29.5735 ml
1 liter =1000ml
1 liter =100 centiliters
1 ounce = 28.35 grams
Dimensional Analysis
1. How many hours are in a month?
2. Convert 60.5 inches into feet
3. If you are going 50 miles per hour, how many feet per second are
you traveling?
4. Convert 45.3 cm to its equivalent measurement in mm.
5. Change a speed of 72.4 miles per hour to its equivalent in meters
per second.
6. Convert 143.55 mL to its equivalent in pints.
7. Convert 40.5 yards to meters
8. How many years are in 5.0 x 1012 hours?
9. How many seconds are in a day?
10. A baby born in the US weighs 3.295 kg according to the scale in
the birthing room. Convert this to pounds so you can tell the
grandparents how much the baby weighed.
11. You're throwing a pizza party for 15 and figure each person might
eat 4 slices. How much is the pizza going to cost you? You call up the
pizza place and learn that each pizza will cost you $14.78 and will be
cut into 12 slices. You tell them you'll call back. Do you have enough
money?
• Convert from Scientific Notation to Real Number:
5.14 x 105 = 514000
• Convert from Real Number to Scientific Notation:
0.000345 = 3.45 x 10-4
1. 5.5 x 103 =
2. 3.9 x108 =
3. 3.0 x102 =
4. 2.6 x107 =
5. 9.92 x 103 =
6. 1.234 x 109 =
7. 2.67 x 103 =
8. 255.500=
9. 0.00356=
10. 140000=
11. 0.0037878=
12. 299000=
13. 2289.000=
Multiply, divide, add, or subtract and express your answer with
correct number of significant figures.
1. 42.22 x 62.222
2. 3.11 x 1100
3. 1166.7 x 1001
4. 0.578 x 0.4
5. 1200 x 500.331
6. 4.556 + 7.1
7. 280.567 + 56.78111
8. 24.57-6.6
9. 3908-56.66
10. 7.45-1.344
Length
1 inch = 2.54 cm (=0.0254 m)
1 foot = 0.3048 meters
1 yard = 0.9144 meters
1 cm =10 millimeters
1 square foot = 0.092903 m2
1meter =100 cm
1 kilometer =0.621miles
Mass
1 pound = 0.45359237 kg
1 kg =1000g
Volume
1 quart = 946.353 ml
1 fluid ounce = 29.5735 ml
1 liter =1000ml
1 liter =100 centiliters
1 ounce = 28.35 grams
Dimensional Analysis
1. How many hours are in a month?
2. Convert 60.5 inches into feet
3. If you are going 50 miles per hour, how many feet per second are
you traveling?
4. Convert 45.3 cm to its equivalent measurement in mm.
5. Change a speed of 72.4 miles per hour to its equivalent in meters
per second.
6. Convert 143.55 mL to its equivalent in pints.
7. Convert 40.5 yards to meters
8. How many years are in 5.0 x 1012 hours?
9. How many seconds are in a day?
10. A baby born in the US weighs 3.295 kg according to the scale in
the birthing room. Convert this to pounds so you can tell the
grandparents how much the baby weighed.
11. You're throwing a pizza party for 15 and figure each person might
eat 4 slices. How much is the pizza going to cost you? You call up the
pizza place and learn that each pizza will cost you $14.78 and will be
cut into 12 slices. You tell them you'll call back. Do you have enough
money?
• Convert from Scientific Notation to Real Number:
5.14 x 105 = 514000
• Convert from Real Number to Scientific Notation:
0.000345 = 3.45 x 10-4
1. 5.5 x 103 =
2. 3.9 x108 =
3. 3.0 x102 =
4. 2.6 x107 =
5. 9.92 x 103 =
6. 1.234 x 109 =
7. 2.67 x 103 =
8. 255.500=
9. 0.00356=
10. 140000=
11. 0.0037878=
12. 299000=
13. 2289.000=
Multiply, divide, add, or subtract and express your answer with
correct number of significant figures.
1. 42.22 x 62.222
2. 3.11 x 1100
3. 1166.7 x 1001
4. 0.578 x 0.4
5. 1200 x 500.331
6. 4.556 + 7.1
7. 280.567 + 56.78111
8. 24.57-6.6
9. 3908-56.66
10. 7.45-1.344