Physical Science – Unit Conversions Notes
Converting from one SI unit to another SI Unit
Use the _____________ Method
Step 1 – Determine your _____________________
Step 2 – Count the jumps to your __________________
Step 3 – Move the decimal point the same number of ______________ in the _____________ direction.
473 hm = ______________ km
62 mm = _________________ hm
4kg = ________________ g
42 m = __________________ cm
92 mg = ______________ hg
3 km = ___________________ mm
Converting Temperatures




Celsius to Kelvin: add 273
Kelvin to Celsius: subtract 273
Celsius to Fahrenheit: F = (1.8 x C ) + 32
Fahrenheit to Celsius: C = (F – 32) x .56
Convert to Kelvin: 10oC = _______________ K
21oC = _______________ K
Convert to Celsius: 273K = ______________oC
0K = ______________oC
Convert to Fahrenheit: 100oC_____________
Convert to Fahrenheit: 50oC_____________
Convert to Celsius:
40oF ______________
Convert to Celsius:
100oF ______________
Physical Science – Unit Conversions Notes
Complete the ladder
Conversion Practice
Name_________________________
Try these conversions, using the ladder method.
1000 mg = _______ g
1 L = _______ mL
160 cm = _______ mm
14 km = _______ m
109 g = _______ kg
250 m = _______ k
1000 mL = _______ L
1 g = _______ mg
160 cL = _______ mL
14 kg = _______ g
1090 L = _______ kL
50 mg = _______ kg
Dimensional Analysis (also known as the “unit factor” or the “factor label”
method)
Given a conversion factor, such as 1 inch = 2.54 centimeters, I can rewrite this two ways:
1
2
I also know that I can multiply any value by _________ and not change its value. I can use this fact to
convert from one unit to another.
Convert 5 in to cm__________________
Convert 10 in to cm__________________
Convert 12 cm to in___________________
Convert 100 cm to in__________________