PHYSICAL SCIENCE WKSHT 1 CONVERSIONS
Use the following conversion factors to convert the following, following quantities.
1000 meters (m) = 1 kilometer (km)
1000 grams (g) = 1 kilogram (kg)
1610 meters = 1 mile
1.61 kilometers (km) = 1 mile (mi)
5280 feet (ft) = 1 mile
3600 seconds (s) = 1 hour (h)
12 inches (in) = 1 foot (ft)
2.54 centimeters (cm) = 1 inch (in)
100 centimeters (cm) = 1 meter (m)
2.2 lbs.= 1 kg
Give all answers to 2 decimal points or less.
example
This is the conversion factor
You must show it
1. 543,000 meters = _______ kilometers
! 1km $
543, 000m/ #
& = 543km
" 1000m/ %
(notice how the meters (m’s) cross out
example 2:
450 km = __________ meters
" 1000m %
450km$
' = 450,000m
# 1km &
example 3
10 h= _________seconds
" 3600s %
10h/ $
' = 36,000s
# 1h/ &
example 4
4500s= ____________ hours
" 1h %
4500s$
' = 1.25h
!
# 3600s&
(divide 4500 by 3600 since the 3600 is on the bottom)
!
example 5
12,000 ft = ______miles
!
" 1mile %
12,000 ft$
' = 2.27mi
# 5280 ft &
example 6
5.0 miles= ______ft
" 5280 ft %
5.0mi$
' = 26,400 ft
!
# 1mi &
example 7 100 kilometers(km) = _____________ mi
!
" 1mi %
100km$
' = 62.1mi
# 1.61km &
example 8 100 kg = _______ lb
" 2.2lb %
100kg$
!
' = 220lb
# 1kg &
example 9 100 lb= _______kg
" 1kg %
100lb$
' = 45.5kg
# 2.2lb &
!
!
2. 654 km = ________ meters
3. 2 miles = ________ feet
4. 10,000 ft = ________ mi
5. 7.5 hours = ________ seconds
6. 356,000 seconds = _______ hours
7. 144 inches = _______ feet
8. 12,000 feet = ________ miles
9. 100 miles = ________ kilometers
10. 60 kilometers = _______ meters
11. 3 meters = ________ cm
12. 32 kg = __________ lb.
13. 50 lb= _________ kg