UNIT CONVERSION CALCULATORS

(Choose one or scroll down.)

 

Length (top)

Convert from:

To:

Area (top)

( sq = squared = unit2 )

Convert from:

To:

Volume (top)

( cu = cubic = unit3 )

Don't forget.... 1 cubic centimeter = 1 milliliter (1cm3 = 1mL)

Convert from:

To:

Weight / Mass (top)

Convert from:

To:

 

 

Weather Calculators

(from the National Weather Service)

(top)

 

Convert
Temperature
Enter temperature in one blank to convert to the other scale.

Fahrenheit:
Celsius:
Kelvin:
 

Calculate
Wind Chill
Enter temperature AND wind speed to compute wind chill.

Temperature:
F C
Wind Speed:
MPH Knots
Wind Chill:
 
 

Calculate
Heat Index
Enter temperature AND relative humidity below to calculate heat index

Temperature:
F C
Relative Humidity (%):
Heat Index:
 

Wind Speed
Conversions
Enter a speed into any blank to convert to all other wind speeds.

MPH:
Km/h:
Knots:
Meters/Second:
 
 

Calculate
Relative Humidity
Enter temperature AND dewpoint below to calculate relative humidity

Temperature:
F C
Dewpoint:
Relative Humidity (%):
 

Convert
Pressure
Enter a pressure in one blank to convert to the other pressures.

Millibars:
Inches:
Millimeters:
 
 

Convert
Precipitation
Enter a depth into any blank to convert to other units .

Inches (hundredths) :
Inches:
Millimeters:
Centimeters:

 

 

Table of Metric Prefixes

(top)

Prexis Symbol Factor
yotta Y 1024 = 1,000,000,000,000,000,000,000,000
zetta Z 1021 = 1,000,000,000,000,000,000,000
exa E 1018 = 1,000,000,000,000,000,000
peta P 1015 = 1,000,000,000,000,000
tera T 1012 = 1,000,000,000,000
giga G 109 = 1,000,000,000
mega M 106 = 1,000,000
kilo k 103 = 1,000
hecto h 102 = 100
deka da 101 = 10
deci d 10-1 = 0.1
centi c 10-2 = 0.01
milli m 10-3 = 0.001
micro µ 10-6 = 0.000 001
nano n 10-9 = 0.000 000 001
pico p 10-12 = 0.000 000 000 001
femto f 10-15 = 0.000 000 000 000 001
atto a 10-18 = 0.000 000 000 000 000 001
zepto z 10-21 = 0.000 000 000 000 000 000 001
yocto y 10-24 = 0.000 000 000 000 000 000 000 001
(top)