Conversion Tables
 

To Convert

Multiply By

To Obtain

Acres
Acres
Acres
Acres
Acre-feet
Acre-feet
Acre-feet
Bar
Bar
Bar
Bushels (dry)
Centimeters (cm)
Centimeters
Centimeters
Centimeters
Centimeters
cm/sec
cm/sec
cm (cubed)
Cubic feet
Cubic feet
Cubic feet
Cubic feet
Cup
Feet (ft)
Feet
Feet per minute
Feet head of water
Foot candle
Gallons (gal)
Gal
Gal
Gal/acre
Gal/acre
Gal/1000 ftsquared
Gal/minute
Grams (g)
Gram
G/ha
Grams per liter
Grams per liter
Grams/sq.meter
G/cm (cubed)
G/cm (cubed)
Hectares (ha)
Inches
Inches
Inches
Insquared
In (cubed)
43,560
0.00405
4047
4840
325,851
43560
1233.5
14.5
1019.7
29.53
0.03524
0.03281
0.3937
0.1094
0.01
10
1.9685
0.0223694
0.0610237
0.0283
7.4805
1728
0.037
8
30.48
0.3048
0.01136
0.433
10.764
3.785
3785
128
9.354
2.938
4.0746
2.228 x 10 (-3)
0.002205
0.035274
0.000893
1000
10
0.00020481
0.036127
62.428
2.471
2.540
0.0254
25.40
6.4516
16.3871
Sq. feet
Sq. kilometer
Sq. meter
Sq. yards
Sq. feet
Cu. feet
m (cubed)
Lb/sq.in.
g/cm (cubed)
inches Hg at 0 degrees C
msquared
Feet
Inches
Yards
Meters
Millimeters (ml)
ft/min
MPH
inch (cubed)
Cu. meter
Gallons
Cubic inches
Cubic yards
fl oz
Centimeters
Meters
MPH
PSI
Lux
Liters
Millimeters
Ounces (liquid)
Liters/hectare
Oz/1000 ftsquared (liquid)
L/100 msquared
Cubic feet/second
Pounds
oz
lbs/a
PPM
Percent
lb/sq.feet
lb/in (cubed)
lb/ft (cubed)
Acres
Centimeters
Meters
Millimeters
cmsquared
cm (cubed)
 
Kilograms (kg)
Kg/hectare
Kg/ha
Kg/L
Kilometers (Km)
Kilometers
Kilometers
Kilometers
Kilometers
Km/h
Km/h
Kilopascals (kPa)
Liters (l)
Liters
Liters
Liters
L/100 msquared
Liters/hectare
Meters (m)
Meters
Meters
Meters
Meters
Meters
Meters/sec
Msquared
M (cubed)
M (cubed)
Miles (statute)
Miles
Miles
Miles
Miles/hour (mph)
Miles/hour
Miles/hour
Miles/hour
Milliliters (ml)
Milliliters
Millimeters (mm)
1 mm Hg @ 0 C
Ounces (fluid)
Ounces (fluid)
Ounces (weight)
Parts per million (ppm)
PPM
PPM
PPM
PPM
PPM
PPM
Percent (%)
Pint
pt/A
pt/A
2.2046
0.892
0.02048
8.3454
100,000
3281
1000
0.6214
1094
0.62137
54.6807
0.145
0.2642
33.814
2.113
1.057
0.2454
0.107
3.281
39.37
1.094
100
0.001
1000
2.2369
10.764
35.3147
1.30795
160,900
5280
1.609
1760
1.467
88
1.61
0.447
0.0338
0.0002642
0.03937
0.13332
0.02957
29.573
28.35
2.719
0.001
8.34
1
0.013
0.3295
8.345
10
0.473
1.1692
0.3673
Pounds
Pounds/acre
lb/1000 ftsquared
lb/gal
Centimeters
Feet
Meters
Miles
Yards
MPH
ft/min
Pounds/sq.in. (psi)
Gallons
Ounces
Pints
Quarts
gal/1000 ftsquared
Gallons/acre
Feet
Inches
yards
Centimeters
Kilometers
Millimeters
MPH
ftsquared
ft (cubed)
yd (cubed)
Centimeters
Feet
Kilometers
Yards
Feet/second
Feet/minute
Kilometers/hour
meter/second
Ounces (fluid)
Gallons
Inches
kPa
Liters
Milliliters
Grams
lb ai/acre foot of water
Grams/l
Lb/million gal
mg/kg
Ounces/100 gal of water
Gal/acre-foot of water
lbs/million gal of water
g/kg
liter
L/ha
oz/1000 ftsquared
 
Pounds
Pounds
Pounds/acre
Pounds/A
Pounds/sq.ft.
Pounds/1000 ftsquared
Pounds/yd (cubed)
Pounds/gallon
PSI (lbs/sq.in.)
PSI
PSI
PSI
PSI
Quarts
Qt/A
Qt/A
Sq. centimeters
Sq. centimeters
Sq. feet
Sq. feet
Sq. feet
Sq. inch
Ton (2000 lbs)
Yards
Yards
Yards
yd (cubed)
yd (cubed)
0.4536
453.6
1.12
0.02296
4883
43.5597
0.0005937
0.12
6.9
0.06895
0.068046
2.31
6.89
0.9463
2.3385
0.7346
0.001076
0.1550
929
0.0929
9.294 x 10 (-6)
6.452
907
91.44
0.9144
914.4
27
0.7645
Kilograms
Grams
Kg/hectare
lb/1000 ftsquared
Grams/sq.meter
lb/A
G/cm (cubed)
Kg/liter
Kilopascals
Bar
atm
feet head of water
kPa
Liters
L/ha
oz/1000 ftsquared
Sq. feet
Sq. inches
Sq. centimeters
Sq. meters
Hectares
Sq. centimeters
kg
Centimeters
Meters
Millimeters
ft (cubed)
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

Units Sq. In. Sq. Ft. Sq Yd. Sq. cm Sq. m
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. = = 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

Units Dyne Lb. Newton
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

Leather Substance
The measurement of the thickness of a finished leather, in
millimeters (1 mm. = 0.03937 inch),
irons (1 iron = 1/48 inch),
ounces (1 ounce = 1/64 inch):

Inch

Ounces

Irons

Millimeters

1/64
1/32
3/64
1/16
5/64
3/32
7/64
1/8
9/64
5/32
11/64
3/16
13/64
7/32
15/64
1/4
17/64
9/32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
0.75
1.5
2.25
3.0
3.75
4.5
5.25
6.0
6.75
7.5
8.25
9.0
9.75
10.5
11.25
12.0
12.75
13.5
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
4.4
4.8
5.2
5.6
6.0
6.4
6.8
7.2