Unit Conversion Chart
|
inches
|
2.54
|
centimeters
|
|
millimeters
|
0.04
|
inches
|
|
foot
|
30
|
centimeters
|
|
centimeters
|
0.4
|
inches
|
|
yards
|
0.91
|
meters
|
|
meters
|
3.3
|
feet
|
|
miles
|
1.6
|
kilometers
|
|
kilometers
|
0.62
|
miles
|
|
sq. inches
|
6.5
|
sq. centimeters
|
|
sq. centimeters
|
0.16
|
sq. inches
|
|
sq. feet
|
0.09
|
sq. meters
|
|
sq. meters
|
1.2
|
sq. yards
|
|
sq. yards
|
0.8
|
sq. meters
|
|
sq. kilometers
|
0.4
|
sq. miles
|
|
sq. miles
|
2.6
|
sq. kilometers
|
|
hectares
|
2.47
|
acres
|
|
acres
|
0.4
|
hectares
|
|
|
ounces
|
28
|
grams
|
|
grams
|
0.035
|
ounces
|
|
pounds
|
0.45
|
kilograms
|
|
kilograms
|
2.2
|
pounds
|
|
short ton
|
0.9
|
metric ton
|
|
metric tons
|
1.1
|
short tons
|
|
teaspoons
|
5
|
milliliters
|
|
milliliters
|
0.03
|
fluid ounces
|
|
tablespoons
|
15
|
milliliters
|
|
liters
|
2.1
|
pints
|
|
fluid ounces
|
30
|
milliliters
|
|
liters
|
1.06
|
quarts
|
|
cups
|
0.24
|
liters
|
|
liters
|
0.26
|
gallons
|
|
pints
|
0.47
|
liters
|
|
cubic meters
|
35
|
cubic feet
|
|
quarts
|
0.95
|
liters
|
|
cubic meters
|
1.3
|
cubic yards
|
|
gallons
|
3.8
|
liters
|
|
|
cubic feet
|
0.03
|
cubic meters
|
|
|
cubic yards
|
0.76
|
cubic meters
|
|
|
Fahrenheit
|
(F - 32) x 5/9
|
Celsius
|
|
Celsius
|
(C x 9/5) + 32
|
Fahrenheit
|
|
Acres
|
43,560
|
Sq. feet
|
|
Acres
|
0.00405
|
Sq. kilometer
|
|
Acres
|
4047
|
Sq. meter
|
|
Acres
|
4840
|
Sq. yards
|
|
Acre-feet
|
325,851
|
Sq. feet
|
|
Acre-feet
|
43560
|
Cu. feet
|
|
Acre-feet
|
1233.5
|
m (cubed)
|
|
Bar
|
14.5
|
Lb/sq.in.
|
|
Bar
|
1019.7
|
g/cm (cubed)
|
|
Bar
|
29.53
|
inches Hg at 0 degrees C
|
|
Bushels (dry)
|
0.03524
|
msquared
|
|
Centimeters (cm)
|
0.03281
|
Feet
|
|
Centimeters (cm)
|
0.3937
|
Inches
|
|
Centimeters (cm)
|
0.1094
|
Yards
|
|
Centimeters (cm)
|
0.01
|
Meters
|
|
Centimeters (cm)
|
10
|
Millimeters (ml)
|
|
cm/sec
|
1.9685
|
ft/min
|
|
cm/sec
|
0.0223694
|
MPH
|
|
cm (cubed)
|
0.0610237
|
inch (cubed)
|
|
Cubic feet
|
0.0283
|
Cu. meter
|
|
Cubic feet
|
7.4805
|
Gallons
|
|
Cubic feet
|
1728
|
Cubic inches
|
|
Cubic feet
|
0.037
|
Cubic yards
|
|
Cup
|
8
|
fl oz
|
|
Feet (ft)
|
30.48
|
Centimeters
|
|
Feet (ft)
|
0.3048
|
Meters
|
|
Feet per minute
|
0.01136
|
MPH
|
|
Feet head of water
|
0.433
|
PSI
|
|
Foot candle
|
10.764
|
Lux
|
|
Gallons (gal)
|
3.785
|
Liters
|
|
Gal
|
3785
|
Millimeters
|
|
Gal
|
128
|
Ounces (liquid)
|
|
Gal/acre
|
9.354
|
Liters/hectare
|
|
Gal/acre
|
2.938
|
Oz/1000 ftsquared (liquid)
|
|
Gal/1000 ftsquared
|
4.0746
|
L/100 msquared
|
|
Gal/minute
|
2.228 x 10 (-3)
|
Cubic feet/second
|
|
Grams (g)
|
0.002205
|
Pounds
|
|
Grams (g)
|
0.035274
|
oz
|
|
G/ha
|
0.000893
|
lbs/a
|
|
Grams per liter
|
1000
|
PPM
|
|
Grams per liter
|
10
|
Percent
|
|
Grams/sq.meter
|
0.00020481
|
lb/sq.feet
|
|
G/cm (cubed)
|
0.036127
|
lb/in (cubed)
|
|
G/cm (cubed)
|
62.428
|
lb/ft (cubed)
|
|
Hectares (ha)
|
2.471
|
Acres
|
|
Inches
|
2.54
|
Centimeters
|
|
Inches
|
0.0254
|
Meters
|
|
Inches
|
25.4
|
Millimeters
|
|
Insquared
|
6.4516
|
cmsquared
|
|
In (cubed)
|
16.3871
|
cm (cubed)
|
|
Kilograms (kg)
|
2.2046
|
Pounds
|
|
Kg/hectare
|
0.892
|
Pounds/acre
|
|
Kg/ha
|
0.02048
|
lb/1000 ftsquared
|
|
Kg/L
|
8.3454
|
lb/gal
|
|
Kilometers (Km)
|
100,000
|
Centimeters
|
|
Kilometers (Km)
|
3281
|
Feet
|
|
Kilometers (Km)
|
1000
|
Meters
|
|
Kilometers (Km)
|
0.6214
|
Miles
|
|
Kilometers (Km)
|
1094
|
Yards
|
|
Km/h
|
0.62137
|
MPH
|
|
Km/h
|
54.6807
|
ft/min
|
|
Kilopascals (kPa)
|
0.145
|
Pounds/sq.in. (psi)
|
|
Liters (l)
|
0.2642
|
Gallons
|
|
Liters (l)
|
33.814
|
Ounces
|
|
Liters (l)
|
2.113
|
Pints
|
|
Liters (l)
|
1.057
|
Quarts
|
|
L/100 msquared
|
0.2454
|
gal/1000 ftsquared
|
|
Liters/hectare
|
0.107
|
Gallons/acre
|
|
Meters (m)
|
3.281
|
Feet
|
|
Meters (m)
|
39.37
|
Inches
|
|
Meters (m)
|
1.094
|
yards
|
|
Meters (m)
|
100
|
Centimeters
|
|
Meters (m)
|
0.001
|
Kilometers
|
|
Meters (m)
|
1000
|
Millimeters
|
|
Meters/sec
|
2.2369
|
MPH
|
|
Msquared
|
10.764
|
ftsquared
|
|
M (cubed)
|
35.3147
|
ft (cubed)
|
|
M (cubed)
|
1.30795
|
yd (cubed)
|
|
Miles (statute)
|
160,900
|
Centimeters
|
|
Miles
|
5280
|
Feet
|
|
Miles
|
1.609
|
Kilometers
|
|
Miles
|
1760
|
Yards
|
|
Miles/hour (mph)
|
1.467
|
Feet/second
|
|
Miles/hour (mph)
|
88
|
Feet/minute
|
|
Miles/hour (mph)
|
1.61
|
Kilometers/hour
|
|
Miles/hour (mph)
|
0.447
|
meter/second
|
|
Milliliters (ml)
|
0.0338
|
Ounces (fluid)
|
|
Milliliters (ml)
|
0.0002642
|
Gallons
|
|
Millimeters (mm)
|
0.03937
|
Inches
|
|
1 mm Hg @ 0 C
|
0.13332
|
kPa
|
|
Ounces (fluid)
|
0.02957
|
Liters
|
|
Ounces (fluid)
|
29.573
|
Milliliters
|
|
Ounces (weight)
|
28.35
|
Grams
|
|
Parts per million (ppm)
|
2.719
|
lb ai/acre foot of water
|
|
PPM
|
0.001
|
Grams/l
|
|
PPM
|
8.34
|
Lb/million gal
|
|
PPM
|
1
|
mg/kg
|
|
PPM
|
0.013
|
Ounces/100 gal of water
|
|
PPM
|
0.3295
|
Gal/acre-foot of water
|
|
PPM
|
8.345
|
lbs/million gal of water
|
|
Percent (%)
|
10
|
g/kg
|
|
Pint
|
0.473
|
liter
|
|
pt/A
|
1.1692
|
L/ha
|
|
pt/A
|
0.3673
|
oz/1000 ftsquared
|
|
Pounds
|
0.4536
|
Kilograms
|
|
Pounds
|
453.6
|
Grams
|
|
Pounds/acre
|
1.12
|
Kg/hectare
|
|
Pounds/A
|
0.02296
|
lb/1000 ftsquared
|
|
Pounds/sq.ft.
|
4883
|
Grams/sq.meter
|
|
Pounds/1000 ftsquared
|
43.5597
|
lb/A
|
|
Pounds/yd (cubed)
|
0.0005937
|
G/cm (cubed)
|
|
Pounds/gallon
|
0.12
|
Kg/liter
|
|
PSI (lbs/sq.in.)
|
6.9
|
Kilopascals
|
|
PSI (lbs/sq.in.)
|
0.06895
|
Bar
|
|
PSI (lbs/sq.in.)
|
0.068046
|
atm
|
|
PSI (lbs/sq.in.)
|
2.31
|
feet head of water
|
|
PSI (lbs/sq.in.)
|
6.89
|
kPa
|
|
Quarts
|
0.9463
|
Liters
|
|
Qt/A
|
2.3385
|
L/ha
|
|
Qt/A
|
0.7346
|
oz/1000 ftsquared
|
|
Sq. centimeters
|
0.001076
|
Sq. feet
|
|
Sq. centimeters
|
0.155
|
Sq. inches
|
|
Sq. feet
|
929
|
Sq. centimeters
|
|
Sq. feet
|
0.0929
|
Sq. meters
|
|
Sq. feet
|
9.294 x 10 (-6)
|
Hectares
|
|
Sq. inch
|
6.452
|
Sq. centimeters
|
|
Ton (2000 lbs)
|
907
|
kg
|
|
Yards
|
91.44
|
Centimeters
|
|
Yards
|
0.9144
|
Meters
|
|
Yards
|
914.4
|
Millimeters
|
|
yd (cubed)
|
27
|
ft (cubed)
|
|
yd (cubed)
|
0.7645
|
m (cubed)
|
|
|
Area Equivalents
1 acre = 43,560 ft squared = 4840 yd 2 = 0.4047 hectares = 160 rods squared = 4047
m 2 = 0.0016 sq. mile
1 acre-inch = 102.8 m 3 = 27,154 gal = 3630 ft 3
1 hectare (ha) = 10,000 m 2 = 100 are = 2.471 acres = 107,639 ft squared
1 cubic foot (ft 3 ) = 1728 in 3 = 0.037 yd 3 = 0.02832 m 3 = 28,320 cm 3
1 square foot (ft 2 ) = 144 in 2 = 929.03 cm 2 = 0.09290 m 2
1 square yard (yd 2 ) = 9 ft 2 = 0.836 m 2
1 cubic yard (yd 3 ) = 27 ft 3 = 0.765 m 3
|
Sq. In.
|
1
|
0.006944
|
0.0007716
|
6.452
|
0.000645
|
|
Sq. Ft.
|
144
|
1
|
0.1111
|
929
|
0.0929
|
|
Sq Yd.
|
1296
|
9
|
1
|
8361
|
0.8361
|
|
Sq. cm
|
0.155
|
0.001076
|
0.0001196
|
1
|
0.0001
|
|
Sq. m
|
1550
|
10.76
|
1.196
|
10,000
|
1
|
Liquid Equivalents
1 ft (cubed) of water = 7.5 gal = 62.4 lbs. = 28.3 liters
1 acre-inch of water = 27,154 gal = 3630 ft 3
1 liter (l) = 2.113 pts. = 1000 ml = 1.057 qts. = 33.8 fl.oz. = 0.26 gal
1 US gallon=4 qt.=8 pt. = 16 cups = 128 fl.oz. = 8.337 lbs of water = 3.785 L =
3785 ml = 231 in 3 = 256 tbsp. = 0.1337 ft3
1 quart = 0.9463 liters = 2 pt. = 32 fl. oz. = 4 cups = 64 tablespoons (tbsp.)=57.75
in 3 = 0.25 gal = 946.4 ml
1 pint = 16 fl. oz. = 2 cups = 473.2 ml = 32 level tablespoons = 0.125 gal = 0.5
qt
1 cup = 8 fl. oz. = = ½ pt. = 16 tablespoons = 236.6 ml
1 tablespoon = 14.8 ml = 3 teaspoons (tsp.) = 0.5 fl.oz.
1 milliliter (ml) = 1 cm 3 = 0.34 fl.oz. = 0.002 pts
1 teaspoon = 4.93 ml = 0.1667 fl. oz. = 80 drops
1 US fluid ounce = 29.57 ml = 2 tablespoons = 6 tsp. = 0.03125 qt
Temperature Equivalents
degrees Centigrade = (°F-32)x5/9
degrees Fahrenheit = (°Cx9/5)+32
Pressure Equivalents
1 lb per square inch (PSI) = 6.9 kilopascal (kPa)
1 PSI = 2.31 feet head of water
|
Dyne
|
1
|
2.248x10-6
|
10-5
|
|
Lb.
|
444,823
|
1
|
4.448
|
|
Newton
|
100,000
|
0.2248
|
1
|
Length Equivalents
centimeter (cm) = 0.3937 inch = 0.01 m = 0.03281 ft.
meter (m) = 3.28 feet = 39.4 inches = 100 cm = 1.094 yds = 1000 mm
kilometer = 0.621 statute mile = 1000 meters = 100,000 cm = 3281 ft = 39,370 in.
inch = 2.54 cm = 25.4 mm = 0.0254 m = 0.08333 ft.
foot = 0.3048 meters = 30.48 cm = 12 inches
yard = 0.9144 meters = 3 feet = 36 inches = 91.44 cm
statute mile = 1760 yards = 5280 feet = 1.61 kilometers = 1609 meters
Mixture Ratios
1 mg/g = 1000 ppm
1 fl.oz./gal = 7490 ppm
1 fl.oz./100 gal = 75 ppm
1 pt/100 gal = 1 teaspoons/1gal
1 qt/100 gal = 2 tablespoons/1 gal
Flow
1 gpm = 0.134 ft 3 /minute
1 ft (cubed) /min. (cfm) = 449 gal/hr. (gph) = 7.481 gal/min.
Weight Equivalents
1 ton (US) = 2000 lb = 0.907 metric tons = 907.2 kg
1 metric ton = 10 6 g = 1000 kg = 2205 lb
1 lb = 16 oz = 453.6 grams (g) = 0.4536 kg
1 oz (weight) = 28.35 g = 0.0625 lb
1 gram = 1000 mg = 0.0353 oz = 0.001 kg = 0.002205 lb
milligrams (mg) = 0.001 grams
1 kilogram (kg) = 1000 grams = 35.3 oz = 2.205 lbs
microgram (mg) = 10 -6 grams = 0.001 mg
nanogram (ng) = 10 -9 grams = 0.001 micrograms (mg)
picogram = 10 -12 grams
1 ppm= 0.0001%= 0.013 fl oz in 100 gal =1 mg/kg=1 mg/L=1 mg/g= 0.379 g in 100 gal
water= 8.34 x 10 -6 lb/gal=1ml/l
10 ppm = 0.001% = 10 mg/L 100 ppm = 0.01% = 100 mg/L1000 ppm = 1mg/g = 0.1% = 1000
mg/L
1 ppb = 1 ug/kg or 1 ug/L or 1 ng/g
1 ppt = 1 picogram/g
1 % = 10,000 ppm = 10g/L = 1g/100ml = 10g/kg = 1.33 oz by weight/gal water = 8.34
lbs/100 gal water