Appendix 2: Measurement Factors

Multiplication Factors Prefix SI Symbol
1 000 000 000 = 109 giga G
1 000 000 = 106 mega M
1 000 = 103 kilo k
100 = 102 hecto h
10 = 101 deka da
0.1 = 10-1 deci d
0.01 = 10-2 centi c
0.001 = 10-3 milli m
0.000 001 = 10-6 micro ยต
0.000 000 001 = 10-9 nano n
0.000 000 000 001 = 10-12 pico p
Mass
1 tonne = 1 000 kg
1 kg = 1 000 g
1 g = 109 ng 1 ng = 10-9 g
1 g = 1012 pg 1 pg = 10-12 g

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