Unit Conversions

Base Units Meters Grams Second

Large Measurements Prefix & Abbreviation Multiple of Base Unit Tera T Giga G Mega M Kilo k Hecto h Deca da No prefix 1,000,000,000,000 1,000,000,000 1,000,000 1,000 100 10 1

Small Measurements Prefix & Abbreviation Fraction of 10 No prefix Deci d Centi c Milli m Micro μ Nano n Pico p 1 0.1 1/10 0.01 1/100 0.001 1/1000 0.000001 1/1,000,000 0.000000001 1/1,000,000,000 0.000000000001 1/1,000,000,000,000

Going Up, or Down?? If you are converting to a smaller unit, your answer should be larger than your given figure. If you are converting to a larger unit, your answer should be smaller than you given figure.

Make a Number Line Tera Giga Mega Kilo Deca Hecto Base Unit deci centi milli micro nano pico

Example 1: Convert 3 m to cm 3 m 100 cm 1 m For meters to cancel out, meters in the conversion factor must be on the opposite side of the fraction

Convert 10 km to cm

Convert 1,000,000 m to km