# Useful Conversion Factors

SI Prefixes
PrefixSymbolScientific NotationDecimal
femtof$1 \times 10^{-15}$0.000000000000001
picop$1 \times 10^{-12}$0.000000000001
nanon$1 \times 10^{-9}$0.000000001
microµ$1 \times 10^{-6}$0.000001
millim$1 \times 10^{-3}$0.001
centic$1 \times 10^{-2}$0.01
decid$1 \times 10^{-1}$0.1
decaD$1 \times 10^{1}$10
hectoh$1 \times 10^{2}$100
kilok$1 \times 10^{3}$1,000
megaM$1 \times 10^{6}$1,000,000
gigaG$1 \times 10^{9}$1,000,000,000
teraT$1 \times 10^{12}$1,000,000,000,000

## Converting pF (picoFarads) to µF (microFarads)

Since pF means $1 \times 10^{-12}\text{F}$ and µF means $1 \times 10^{-6}\text{F}$, move the decimal point from the pico-Farads value 6 places to the left to get the value in micro-Farads

$$22000\text{pF} \Rightarrow .022\mu\text{F}$$

## Other useful conversion factors

Length ConversionsWeight ConversionsTemperature Conversions
1 centimeter = 10 millimeters1 kilogram = 1000 grams0K = -273° C
2.54 centimeters = 1 inch28.35 grams = 1 ounce0° C = 32° F
12 inches = 1 foot0.4536 kilograms = 1 pound100° C = 212° F
3 feet = 1 yard1 pound = 16 ounces

#### Fahrenheit to Celsius

$$C = (F - 32) \times (\frac{5}{9}) = \frac{(F - 32)}{1.8}$$

#### Celsius to Fahrenheit

$$F = \frac{9}{5} \times C = 1.8C + 32$$
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