1. MEASUREMENT
Unit Conversions

2. SI Prefix Conversions Prefix Symbol Factor mega- M 106 kilo- k 103
BASE UNIT
---
100
deci- d
10-1
move left
move right
centi- c
10-2
milli- m
10-3
micro- 
10-6
nano- n
10-9
pico- p
10-12

3. SI Prefix Conversions To the left or right?
1. Find the difference between the exponents of the two prefixes.
2. Move the decimal point that many places.
To the left
or right?

4. 5. 6  5600 mm Change 5.6 m to millimetersk
Base unit d c m  n p
106
103
100
10-1
10-2
10-3
10-6
10-9
10-12
move right
Change 5.6 m to millimeters
The difference between the exponents of the two prefixes is 3
Move the decimal point 3 places to the right 5. 6 
5600 mm

5. M k
Base unit d c m  n p
106
103
100
10-1
10-2
10-3
10-6
10-9
10-12
move left
Convert 25 mg to grams
The difference between the exponents of the two prefixes is 3
Move the decimal point 3 places to the left 2 5. 
0.025 g

6. M k
Base unit d c m  n p
106
103
100
10-1
10-2
10-3
10-6
10-9
10-12
move right
Convert 0.45 km to mm
The difference between the exponents of the two prefixes is 6
Move the decimal point 6 places to the right 0. 4 5  mm

7. M k
Base unit d c m  n p
106
103
100
10-1
10-2
10-3
10-6
10-9
10-12
move left
Convert 35 mL to liters
The difference between the exponents of the two prefixes is 3
Move the decimal point 3 places to the left 3 5. 
0.035 L

8. 5. 6  560000 cm Change 5.6 km to centimeters
Base unit d c m  n p
106
103
100
10-1
10-2
10-3
10-6
10-9
10-12
move right
Change 5.6 km to centimeters
The difference between the exponents of the two prefixes is 5
Move the decimal point 5 places to the right 5. 6  cm

9. SI Prefix Conversions
0.2
1) 20 cm = ______________ m
2) L = ______________ mL
3) 45 m = ______________ nm
4) 805 dm = ______________ km
5) 532 m = ______________ km 32
45,000
0.0805
0.532

10. NUMBER UNIT SI Prefix Conversions = 0.532 532 m = _______ km NUMBER