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Summary of unitsUnit
conversion engine >
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Multiplication
Factor |
|
|
Prefix |
Symbol |
1,000,000,000,000.000,000 |
= |
1018 |
exa- |
E |
| 1,000,000,000,000,000 |
= |
1015 |
penta- |
P |
1,000,000,000,000 |
= |
1012 |
tera- |
T |
| 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 |
| 0.000001 |
= |
10-6 |
micro- |
u |
0.000000001 |
= |
10-9 |
nano- |
n |
| 0.000000000001 |
= |
10-12 |
pico- |
p |
0.000000000000001 |
= |
10-15 |
femto- |
f |
| 0.000000000000000001 |
= |
10-18 |
atto- |
a |
ppm
(part per million) |
= |
mg/kg, ug/g, ng/mg, pg/ug,
mg/L, ug/mL, ng/uL |
ppb (part
per billion) |
= |
ug/kg, ng/g, pg/mg, ug/L,
ng/mL, pg/uL |
ppt (part
per trillion) |
= |
ng/kg, pg/g, fg/mg, ng/L,
pg/mL, fg/uL |
1 ppm = 1000ppb |
|
1 ppb = 0.001 ppm |
Conversion Factors
| To Convert |
To |
Multiply By |
| acres |
square feet |
43,560 |
| acre-feet |
gallons |
325,900 |
| BTU/hour |
watts |
0.2931 |
| centimeters |
inches |
0.3937 |
| cubic centimeters |
cubic inches |
0.06102 |
| cubic centimeters |
pints (U.S.) |
0.002113 |
| cubic feet |
cubic centimeters |
28,320 |
| cubic feet |
gallons |
7.48052 |
| cubic feet |
liters |
28.32 |
| cubic yards |
cubic meters |
0.7646 |
| feet |
meters |
0.3048 |
| feet of water |
inches of HG |
0.8826 |
| feet of water |
psi |
0.4335 |
| gallons |
cubic inches |
231.0 |
| gallons |
liters |
3.785 |
| gallons of water |
pounds of water |
8.337 |
| gallons/minute |
liters/second |
0.06308 |
| grains/gallon |
ppm |
17.118 |
| grams |
ounces |
0.03527 |
| gram calories |
BTU |
0.03968 |
| horsepower |
watts |
745.7 |
| inches |
centimeters |
2.54 |
| inches of Hg |
feet of water |
1.133 |
| inches of Hg |
psi |
0.4912 |
| inches of water |
psi |
0.03613 |
| kilograms |
pounds |
2.2046 |
| kilometers |
miles (stat) |
0.6214 |
| knots |
miles (stat)/hr |
1.151 |
| liters |
gallons |
0.2642 |
| meters |
feet |
3.281 |
| million gallons/day |
cubic feet/second |
1.54723 |
| ounces |
grams |
28.349 |
| ounces (fl) |
liters |
0.02957 |
| psi |
feet of water |
2.307 |
| psi |
inches of Hg |
2.036 |
| quarts |
liters |
0.9463 |
| ug/g * |
lbs/dry ton |
0.002 |
* Dry
weight results
Temperature Conversions
Centigrade to Fahrenheit (°C
x 9/5) + 32 = °F
Fahrenheit to Centigrade (°F - 32) x 5/9 = °C
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