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Metric Conversion Tables

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Conversions Procedures Approximate Conversions
From To Multiply number of by To get number of (Actual answers will be within 25% of approximate answer.)
acres hectares (ha) acres 0.047
ha
1 acre = 0.4 ha
acres square feet (ft2) acres 43,560
ft2
1 acre = 40,000 ft2
acres square kilometres (km2) acres 0.004047
km2
1 acre = 0.004 km2
acres square metres (m2) acres 4047
m2
1 acre = 4000 m2
acres square miles (mi2) acres 0.001563
mi2
1 acre = 0.0015 mi2
acres square yards (yd2) acres 4840
yd2
1 acre = 5000 yd2
acre-feet (acre-ft) cubic feet (ft3) acre-ft 43,560
ft3
1 acre-ft = 40,000 ft3
acre-feet (acre-ft) cubic metres (m3) acre-ft 1233
m3
1 acre-ft = 1000 m3
acre-feet (acre-ft) gallons (gal) acre-ft 325,851
gal
1 acre-ft = 300,000 gal
centimetres (cm) feet (ft) cm 0.03281
ft
1 cm = 0.03 ft
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centimetres (cm) inches (in) cm 0.3937
in.
1 cm = 0.4 in.
centimetres (cm) metres (m) cm 0.01
m
--
centimetres (cm) millimetres (mm) cm 10
mm
--
centimerers per second (cm/sec) metres per minute (m/min) cm/sec 0.6
m/min
--
cubic centimetres (cm3) cubic feet (ft3) cm3 0.00003531
ft3
1 cm3 = 0.00004 ft3
cubic centimetres (cm3) cubic inches(in.3) cm3 0.6102
in.3
1 cm3 = 0.06 in.3
cubic centimetres (cm3) cubic metres (m3) cm3 0.000001
m3
--
cubic centimetres (cm3) cubic yards (yd3) cm3 0.000001308
yd3
1 cm3 = 0.0000015 yd3
cubic centimetres (cm3) gallons (gal) cm3 0.0002642
gal
1 cm3 = 0.003 gal
cubic centimetres (cm3) litres (L) cm3 0.001
L
--
cubit feet (ft3) acre-feet (acre-ft) ft3 0.00002296
acre-ft
1 ft3 = 0.00002 acre-ft
cubit feet (ft3) cubic centimetres (cm3) ft3 28,320
cm3
1 ft3 = 30
cubit feet (ft3) cubic inches (in.3) ft3 1728
in3
1 ft3 = 1500 in.3
cubit feet (ft3) cubic metres (m3) ft3 0.02832
m3
1 ft3 = 0.03 m3
cubit feet (ft3) cubic yards (yd3) ft3 0.03704
yd3
1 ft3 = 0.04 yd3
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cubit feet (ft3) gallons (gal) ft3 7.481
gal
1 ft3 = 7 gal
cubit feet (ft3) kilolitres (kL) ft3 0.02832
kL
1 ft3 = 0.03 kL
cubit feet (ft3) litres (L) ft3 28.32
L
1 ft3 = 30L
cubit feet (ft3) pounds (lb) of water ft3 62.4
lb of water
1 ft3 = 60 lb of water
cubic ft per second (cfs) cubic metres per second (m3/sec) cfs 0.02832
m3/sec
1 cfs = 0.03 m3/sec
cubic feet per second (cfs) million gallons per day (mgd) cfs 0.6463
mgd
1 cfs = 0.6 mgd
cubic feet per second (cfs) gallons per minute (gpm) cfs 448.8
gpm
1 cfs = 400 gpm
cubic feet per minute (cfm) gallons per second (gps) cfm 0.1247
gps
1 cfm = 0.1 gps
cubic feet per minute (cfm) litres per second (L/sec) cfm 0.4720
L/sec
1 cfm = 0.5 L/sec
cubic inches (in.3) cubic centimetres (cm3) in.3 16.39
cm3
1 in.3 = 15 cm3
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cubic inches (in.3) cubic feet (ft3) in.3 0.0005787
ft3
1 in.3 = 0.0006 ft3
cubic inches (in.3) cubic metres (m3) in.3 0.00001639
m3
1 in.3 = 0.000015 m3
cubic inches (in.3) cubic millimitres (mm3) in.3 16,390
mm3
1 in.3 = 15,000 mm3
cubic inches (in.3) cubic yards (yd3) in.3 0.00002143
yd3
1 in.3 = 0.00002 yd3
cubic inches (in.3) gallons (gal) in.3 0.004329
gal
1 in.3 = 0.004 gal
cubic inches (in.3) litres (L) in.3 0.01639
L
1 in.3 = 0.015 L
cubic inches (in.3) acre-feet (acre-ft) m3 0.0008107
acre-ft
1 m3 = 0.0008 acre-ft
cubic inches (in.3) cubic centimetres (cm3) m3 1,000,000
cm3
--
cubic inches (in.3) cubic feet (cf3) m3 35.31
cf3
1 m3 = 40 ft3
cubic inches (in.3) cubic inches (in.3) m3 61,020
in.3
1 m3 = 60,000 in.3
cubic metres (m3) cubic yards (yd3) m3 1.308
yd3
1 m3 = 1.5 yd3
cubic metres (m3) gallons (gal) m3 264.2
gal
1 m3 = 300 gal
cubic metres (m3) kilolitres (kL) m3 1.0
kL
--
cubic metres (m3) litres (L) m3 1000
L
--
cubic metres per day (m3/day) gallons per day (gpd) m3/day 264.2
gpd
1 m3/day = 300gpd
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cubic metres per second (m3/sec) cubic feet per second (cfs) m3/sec 35.31
cfs
1 m3/sec = 40cfs
cubic millimetres (mm3) cubic inches (in.3) mm3 0.00006102
in.3
1 mm3 = 0.00006 in.3
cubic yards (yd3) cubic centimetres (cm3) yd3 764,600
cm3
1 yd3 = 800,000 cm3
cubic yards (yd3) cubic feet (ft3) yd3 27
ft3
1 yd3 = 30 ft3
cubic yards (yd3) cubic inches (in.3) yd3 46,660
in.3
1 yd3 = 50,000 in.3
cubic yards (yd3) cubic metres (m3) yd3 0.4646
m3
1 yd3 = 0.8 m3
cubic yards (yd3) gallons (gal) yd3 202.0
gal
1 yd3 = 200 gal
cubic yards (yd3) litres (L) yd3 764.6
L
1 yd3 = 800 L
feet (ft) centimetres (cm) (ft) 30.48
cm
1 ft = 30 cm
feet (ft) inches (in.) (ft) 12
in.
--
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feet (ft) kilometres (km) ft 0.0003048
km
1 ft = 0.0003 km
feet (ft) metres (m) ft 0.3048
m
1 ft = 0.3 m
feet (ft) miles (mi) ft 0.0001894
mi
1 ft = 0.0002 mi
feet (ft) millimetres (mm) ft 304.8
mm
1 ft = 300 mm
feet (ft) yards (yd) ft 0.3333
yd
1 ft = 0.3 yd
feet (ft) of hydraulic head kilopascals (kPa) ft of head 2.989 kPa 1 ft of head = 3 kPa
feet (ft) of hydraulic head metres (m) of hydraulic head ft of head 0.3048
m of head
1 ft of head = 0.3 m of head
feet (ft) of hydraulic head pascals (Pa) ft of head 2989
Pa
1 ft of head = 3000Pa
feet (ft) of water inches of mercury (in. Hg) ft of water 0.8826
in. Hg
1 ft of water = 0.9 in. Hg
feet (ft) of water pounds per square foot (psf) ft of water 62.4
psf
1 ft of water = 60 psf
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feet (ft) of water pounds per square inch gage (psig) ft of water 0.4332
psig
1 ft of water = 0.4 psig
feet per hour (fph) metres per second (m/sec) fph 0.00008467
m/sec
1 fph = 0.00008 m/sec
feet per minute (fpm) feet per second (fps) fpm 0.01667
fps
1 fpm = 0.015 fps
feet per minute (fpm) kilometres per hour (km/hr) fpm 0.01829
km/hr
1 fpm = 0.02 km/hr
feet per minute (fpm) metres per minute (m/min) fpm 0.3048
m/min
1 fpm = 0.3 m/min
feet per minute (fpm) metres per second (mps) fpm 0.005080
m/sec
1 fpm = 0.005 m/sec
feet per minute (fpm) miles per hour (mph) fpm 0.01136
mph
1 fpm = 0.01 mph
feet per second (fps) feet per minute (fpm) fps 60
fpm
--
feet per second (fps) kilometres per hour (km/hr) fps 1.097
km/hr
1 fps = 1 km/hr
feet per second (fps) metres per minute (m/min) fps 18.29
m/min
1 fps = 20 m/min
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feet per second (fps) metres per second (m/sec) fps 0.3048
m/sec
1 fps = 0.3 m/sec
feet per second (fps) miles per hour (mph) fps 0.6818
mph
1 fps = 0.7 mph
foot-pounds per minute (ft-lb/min) horsepower (hp) ft-lb/min 0.00003030
hp
1 ft-lb/min = 0.00003 hp
foot-pounds per minute (ft-lb/min) kilowatts (kW) ft-lb/min 0.00002260
kW
1 ft-lb/min = 0.00002 kW
foot-pounds per minute (ft-lb/min) watts (W) ft-lb/min 0.02260
W
1 ft-lb/min = 0.02 W
gallons (gal) acre-feet (acre-ft) gal 0.000003069
acre-ft
1 gal = 0.000003 acre-ft
gallons (gal) cubic cenimetres (cm3) gal 3785
cm3
1 gal = 4000 cm3
gallons (gal) cubic feet (ft3) gal 0.1337
ft3
1 gal = 0.15 ft3
gallons (gal) cubic inches (in.3) gal 231.0
in.3
1 gal = 200 in.3
gallons (gal) cubic metres (m3) gal 0.003785
m3
1 gal = 0.004 m3
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gallons (gal) cubic yards (yd3) gal 0.004951
yd3
1 gal = 0.005 yd3
gallons (gal) kilolitres (kL) gal 0.003785
kL
1 gal = 0.004 kL
gallons (gal) litres (L) gal 3.785
L
1 gal = 4 L
gallons (gal) pounds (lb) of water gal 8.34
lb of water
1 gal = 8 lb of water
gallons (gal) quarts (qt) gal 4
qt
--
gallons per capita per day (gpcd) litres per capita per day (Lpcd) gpcd 3.785
Lpcd
1 gpcd = 4 Lpcd
gallons per day (gpd) cubic metres per day (m3/day) gpd 0.003785
m3/day
1 gpd = 0.004 m3/day
gallons per day (gpd) litres per day (L/day) gpd 3.785
L/day
1 gpd = 4 L/day
gallons per day per foot (gpd/ft) square metres per day (m2/day) gpd/ft 0.01242
m2/day
1 gpd/ft = 0.01 m2/day
gallons per day per foot (gpd/ft) square millimetres per second (mm2/sec) gpd/ft 0.1437
mm2/sec
1 gpd/ft = 0.15 mm2/sec
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gallons per day per square foot (gpd/ft2) millimetres per second (mm/sec) gpd/ft2 0.0004716
mm/sec
1 gpd/ft2 = 00005 mm/sec
gallons per hour (gph) litres per second (L/sec) gph 0.001052
L/sec
1 gph = 0.001 L/sec
gallons per minute (gpm) cubic feet per second (cfs) gpm 0.002228
cfs
1 gpm = 0.002 cfs
gallons per minute (gpm) litres per second (L/sec) gpm 0.06309
L/sec
1 gpm = 0.06 L/sec
gallons per minute per square foot (gpm/ft2) millimitres per second (mm/sec) gpm/ft2 0.6790
mm/sec
1 gpm/ft2 = 0.7 mm/sec
gallons per second (gps) cubic feet per minute (cfm) gps 8.021
cfm
1 gps = 8 cfm
gallons per second (gps) litres per minute (L/min) gps 227.1
L/min
1 gps = 200 L/min
grains(gr) grams (g) gr 0.06480
g
1 gr = 0.06 g
grains(gr) punds (lb) gr 0.0001428
lb
1 gr = 0.00015 lb
grains(gr) grains (gr) gr 15.43
gr
1 gr = 15 gr
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grams (g) kilograms (kg) g 0.001
kg
--
grams (g) milligrams (mg) g 1000
mg
--
grams (g) ounces (oz), avoirdupois g 0.03527
oz
1 g = 0.04 oz
grams (g) pounds (lb) g 0.002205
lb
1 g = 0.002 lb
hectares (ha) acres ha 2.471
acres
1 ha = 2 acres
hectares (ha) square metres (m2) ha 10,000
m2
--
hectares (ha) square miles (mi2) ha 0.003861
mi2
1 ha = 0.004 mi2
horse power (hp) foot-pounds per minute (ft-lb/min) hp 33,000
ft-lb/min
1 hp = 30,000 ft-lb/min
horse power (hp) kilowatts (kW) hp 0.7457
kW
1 hp = 0.7 kW
horse power (hp) watts (W) hp 745.7
W
1 hp = 700 W
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inches (in.) centimetres (cm) in. 2.540
cm
1 in. = 3 cm
inches (in.) feet (ft) in. 0.08333
ft
1 in. = 0.08 ft
inches (in.) metres (m) in. 0.02540
m
1 in. = 0.03 m
inches (in.) millimetres (mm) in. 25.40
mm
1 in. = 30 mm
inches (in.) yards (yd) in. 0.02778
yd
1 in. = 0.03 yd
         
inches of mercury (in. Hg) feet (ft) of water in. Hg 1.133
ft of water
1 in. Hg = 1 ft of water
inches of mercury (in. Hg) inches (in.) of water in. Hg 13.60
in. of water
1 in. Hg = 15 in. of water
inches of mercury (in. Hg) pounds per square foot (psf) in. Hg 70.73
psf
1 in. Hg = 70 psf
inches of mercury (in. Hg) pounds per square inch (psi) in. Hg 0.4912
psi
1 in. Hg = 0.5 psi
inches per minute (in./min) millimetres per second (mm/sec) in./min 0.4233
mm/sec
1 in./min = 0.4 mm/sec
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inches (in.) of water inches of mercury (in. Hg) in. of water 0.07355
in. Hg
1 in. of water = 0.07 in. Hg
inches (in.) of water pounds per square foot (psf) in. of water 5.198
psf
1 in. of water = 5 psf
iches (in.) of water pounds per square inch gage (psig) in. of water 0.03610
psig
1 in. of water = 0.04 psig
kilograms (kg) grames (g) kg 1000
g
--
kilograms (kg) pounds (lb) kg 2.205
lb
1 kg = 2 lb
kilolitres (kL) cubic feet (ft3) kL 35.31
ft3
1 kL = 40 ft3
kilolitres (kL) cubic metres (m3) kL 1.0
m3
--
kilolitres (kL) gallons (gal) kL 264.2
gal
1 kL = 300 gal
kilolitres (kL) litres (L) kL 1000
L
--
kilometres (km) feet (ft) km 3281
ft
1 km = 300 ft
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kilometres (km) metres (m) km 1000
m
--
kilometres (km) miles (mi) km 0.6214
mi
1 km = 0.6 mi
kilometres (km) yards (yd) km 1094
yd
1 km = 100 yd
kilometres per hour (km/hr) feet per minute (fpm) km/hr 54.68
fpm
1 km/hr = 50 fpm
kilometres per hour (km/hr) feet per second (fps) km/hr 0.9113
fps
1 km/hr = 1 fps
kilometres per hour (km/hr) metres per minute (m/min) km/hr 16.67
m/min
1 km/hr =14 m/min
kilometres per hour (km/hr) metres per second (m/sec) km/hr 0.2778
m/sec
1 km/hr = 0.3 m/sec
kilometres per hour (km/hr) miles per hour (mph) km/hr 0.6214
mph
1 km/hr = 0.6 mph
kilopascals (kPa) feet (ft) on hydraulic head kPa 0.3346
ft of head
1 kPa = 0.3 ft of head
kilowatts (kW) foot-pounds per minute (ft-lb/min) kW 44,250
ft-lb/min
1 kW = 40,000 ft-lb/min
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kilowatts (kW) horsepower (hp) kW 1.341
hp
1 kW = 1.5 hp
kilowatts (kW) watts (W) kW 1000
W
--
litres (L) cubic centimetres (cm3) L 1000
cm3
--
litres (L) cubic feet (ft3) L 0.03531
ft3
1 L = 0.04 ft3
litres (L) cubic inches (in.3) L 61.03
in.3
1 L = 0.3 gal
litres (L) cubic metres (m3) L 0.001
m3
--
litres (L) cubic yards (yd3) L 0.001308
yd3
1 L = 0.0015 yd3
litres (L) gallons (gal) L 0.2642
gal
1 L = 0.3 gallons
litres (L) kilolitres (kL) L 0.001
kL
--
litres (L) millilitres (ml) L 1000
mL
--
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litres (L) ounces (oz), fluid L 33.81
oz (fluid)
1 L = 30 oz (fluid)
litres (L) quarts (qt), fluid L 1.057
qt (fluid)
1 L = 1 qt (fluid)
litres per capita per day (Lpcd) gallons per capia per day (gpcd) Lpcd 0.2642
Lpcd
1 Lpcd = 0.3 gpcd
litres per day (L/day) gallons per day (gpd) L/day 0.2642
L/day
1 L/day = 0.3 gpd
litres per minute (L/min) gallons per second (gps) L/min 0.004403
L/min
1 L/min = 0.004 gps
litres per second (L/sec) cubic feet per minute (cfm) L/sec 2.119
cfm
1 L/sec = 2 cfm
litres per second (L/sec) gallons per hour (gph) L/sec 951.0
gph
1 L/sec = 1000 gph
litres per second (L/sec) gallons per minute (gpm) L/sec 15.85
gpm
1 L/sec = 15 gpm
megalitres per day (ML/day) million gallons per day (mgd) ML/day 0.2642
mgd
1 ML/day = 0.3 mgd
metres (m) centimetres (cm) m 100
m
--
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metres (m) feet (ft) m 3.281
ft
1 m = 3 ft
metres (m) inches (in.) m 39.37
in.
1 m = 40 in.
metres (m) kilometres (km) m 0.001
km
--
metres (m) miles (mi) m 0.0006214
mi
1 m = 0.0006
metres (m) millimitres (mm) m 1000
mm
--
metres (m) yards (yd) m 1.094
yd
1 m = 1yd
metres (m) of hydraulic head feet (ft) of hydraulic head m of head 3.281
ft of head
1 m of head = 3 ft of head
metres (m) of hydraulic head pounds per square inch gage (psig) m of head 1.422
psig
1 m of head = 1.5 psig
metres per minute (m/min) centimetres per second (cm/sec) m/min 1.667
cm/sec
1 m/min 1.5 cm/sec
metres per minute (m/min) feet per minute (fpm) m/min 3.281
fpm
1 m/min = 3 fpm
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metres per minute (m/min) feet per second (fps) m/min 0.05468
fps
1 m/min = 0.05 fps
metres per minute (m/min) kilometers per hour (km/hr) m/min 0.06
km/hr
--
metres per minute (m/min) miles per hour (mph) m/min 0.03728
mph
1 m/min = 0.04 mph
metres per second (m/sec) feet per hour (fph) m/sec 11,810
fph
1 m/sec = 10,000 fph
metres per second (m/sec) feet per minute (fpm) m/sec 196.8
fpm
1 m/sec = 200 fpm
metres per second (m/sec) feet per second (fps) m/sec 3.281
fps
1 m/sec = 3 fps
metres per second (m/sec) kilometers per hour (km/hr) m/sec 3.6
km/hr
1 m/sec = 4 km/hr
metres per second (m/sec) miles per hour (mph) m/sec 2.237
mph
1 m/sec = 2 mph
miles (mi) feet (ft) mi 5280
ft
1 mi = 5000 ft
miles (mi) kilometers (km) mi 1.609
km
1 mi = 1 .5 km
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miles (mi) metres (m) mi 1609
m
1 mi = 1500 m
miles (mi) yards (yd) mi 1760
yd
1 mi = 2000 yd
miles per our (mph) feet per minute (fpm) mph 88
fpm
1 mph = 90 fpm
miles per our (mph) feet per second (fps) mph 1.467
fps
1 mph = 1.5 fps
miles per our (mph) kilometres per hour (km/hr) mph 1.609
km/hr
1 mph = 1.5 km/hr
miles per our (mph) metres per minute (m/min) mph 28.62
m/min
1 mph = 30 m/min
miles per our (mph) metres per second (m/sec) mph 0.4470
m/sec
1 mph = 0.4 m/sec
milligrams (mg) grams (g) mg 0.001
g
--
millilitres (mL) litres (L) mL 0.001
L
--
millimetres (mm) centimetres (cm) mm 0.1
cm
--
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millimetres (mm) feet (ft) mm 0.003281
ft
1 mm = 0.003 ft
millimetres (mm) inches (in.) mm 0.03937
in.
1 mm = 0.04 in.
millimetres (mm) metres (m) mm 0.001
m
--
millimetres (mm) yards (yd) mm 0.001094
yd
1 mm = 0.001 yd
millimetres per second (mm/sec) gallons per day per square foot (gpd/ft2) mm/sec 2121
gpd/ft2
1 mm/sec = 2000 gpd/ft2
         
millimetres per second (mm/sec) gallons per minute per square foot (gpm/ft2) mm/sec 1.473
gpm/ft2
1 mm/sec = 1.5 gpm/ft2
millimetres per second (mm/sec) inches per minute (in./min) mm/sec 2.362
in./min
1 mm/sec = 2 in./min
million gallons per day (mgd) cubic feet per second (cfs) mgd 1.547
cfs
1 mgd = 1.5 cfs
million gallons per day (mgd) megalitres per day (ML/day) mgd 3.785
ML/day
1 mgd = 4 ML/day
ounces (oz), avoirdupois grams (g) oz 28.35
g
1 oz = 30 g
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ounces (oz), avoidrdupois pounds (lb) oz 0.0625
lb
1 oz = 0.06 lb
ounces (oz), fluid litres (L) oz 0.02957
L
1 oz = 0.03 L
pascals (Pa) feet (ft) of hydraulic head Pa 0.0003346
ft of head
1 Pa = 0.0003 ft of head
pascals (Pa) pounds per square inch (psi) Pa 0.0001450
psi
1 Pa = 0.00015 psi
pounds (lb) grains (gr) lb 7000
gr
--
pounds (lb) grams (g) lb 453.6
g
1 lb = 500 g
pounds (lb) kilograms (kg) lb 0.4536
kg
1 lb = 0.5 kg
pounds (lb) ounces (oz), avoirdupois lb 16
oz
--
pounds (lb) of water cubic feet (ft3) lb of water 0.01603
ft3
1 lb of water = 0.015 ft3
pounds (lb) of water gallons (gal) lb of water 0.1199
gal
1 lib of water = 0.1 gal
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pounds per square foot (psf) feet (ft) of water psf 0.01603
ft of water
1 psf = 0.015 ft of water
pounds per square foot (psf) inches of mercury (in. Hg) psf 0.01414
in. Hg
1 psf = 0.015 in. Hg
pounds per square foot (psf) inches (in.) of water psf 0.01924
in. of water
1 psf = 0.2 in. of water
pounds per square inch gage (psig) feet (ft) of water psig 2.31
ft of water
1 psig = 2 ft of water
pounds per square inch (psi) inches of mercury (in. Hg) psi 2.036
in. Hg
1 psi = 2 in. Hg
pounds per square inch gage (psig) inches (in.) of water psig 27.70
in. of water
1 psig = 30 in. of water
pounds per square inch gage (psig) metres (m) of hydraulic head psig 0.7034
m of head
1 psig = 0.7 m of head
pounds per square inch (psi) pascals (Pa) psi 6895
Pa
1 psi = 7000 Pa
quarts (qt) gallons (gal) qt 0.25
gal
--
quarts (qt) litres (L) qt 0.9464
L
1 qt = 0.9 L
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square centimetres (cm2) square inches (in.2) cm2 0.1550
in.2
1 cm2 = 0.15 in.2
square centimetres (cm2) square millimetres (mm2) cm2 100
mm2
--
square feet (ft2) acres ft2 0.00002296
acres
1 ft2 = 0.00002 acre
square feet (ft2) square inches (in.2) ft2 144
in.2
1 ft2 = 150 in.2
square feet (ft2) square metres (m2) ft2 0.09290
m2
1 ft2 = 0.009 m2
         
square feet (ft2) square millimetres (mm2) ft2 92,900
mm2
1 ft2 = 90,000 mm2
square feet (ft2) square yards (yd2) ft2 0.111
yd2
1 ft2 = 0.1 yd2
square inches (in.2) square centimetres (cm2) in.2 6.452
cm2
1 in.2 = 6 cm2
square inches (in.2) square feet (ft2) in.2 0.006944
ft2
1 in. 2 = 0.007 ft2
square inches (in.2) square metres (m2) in.2 0.0006452
m2
1 in. 2 = 0.0006 m2
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square inches (in.2) square millimetres (mm2) in.2 645.2
mm2
1 in.2 = 600 mm2
square inches (in.2) square yards (yd2) in.2 0.0007716
yd2
1 in.2 = 0.0008 yd2
square kilometres (km2) acres km2 247.1
acres
1 km2 = 200 acres
square kilometres (km2) square miles (mi2) km2 0.3861
mi2
1 km2 = 0.4 mi2
square metres (m2) acres m2 0.0002471
acres
1 m2 = 0.0002 acre
square metres (m2) hectares (ha) m2 0.0001
ha
--
square metres (m2) square feet (ft2) m2 10.76
ft2
1 m2 = 10 ft2
square metres (m2) square inches (in.2) m2 1550
in.2
1 m2 = 1500 in.2
square metres (m2) square miles (mi2) m2 0.0000003861
mi2
1 m2 = 0.0000004 mi2
square metres (m2) square yards (yd2) m2 1.196
yd2
1 m2 = 1 yd2
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square metres per day (m2/day) gallons per day per foot (gpd/ft) m2/day 80.53
gpd/ft
1 m2/day = 80 gpd/ft
square miles (mi2) acres mi2 640
acres
1 mi2 = 600 acres
square miles (mi2) hectares (ha) mi2 259.0
ha
1 mi2 = 300 ha
square miles (mi2) square kilometres (km2) mi2 2.590
km2
1 mi2 = 3 km2
square miles (mi2) square metres (m2) mi2 2,590,000
m2
1 mi2 = 3,000,000 m2
square millimetres (mm2) square centimetres (cm2) mm2 0.01
cm2
--
square millimetres (mm2) square feet (ft2) mm2 0.00001076
ft2
1 mm2 = 0.00001 ft2
square millimetres (mm2) square inches (in.2) mm2 0.001550
in.2
1 mm2 = 0.0015 in2
square millimetres per second (mm2/sec) gallons per day per foot ( gpd/ft) mm/sec 6.958
gpd/ft
1 mm2/sec = 7 gpd/ft
square yards (yd2) acres yd2 0.0002066
acres
1 yd2 = 0.0002 acre
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square yards (yd2) square feet (ft2) yd2 9
ft2
--
square yards (yd2) square inches (in.2) yd2 1296
in.2
1 yd2 = 1500 in.2
square yards (yd2) square metres (m2) yd2 0.8361
m2
1 yd2 = 0.8 m2
watts (W) foot-pounds per minute (ft-lb/min) W 44.25
ft-lb/min
1 W = 40 ft-lb/min
watts (W) horsepower (hp) W 0.001341
hp
1 W = 0.0015 hp
watts (W) kilowatts (kW) W 0.001
kW
--
yards (yd) feet (ft) yd 3
ft
--
yards (yd) inches (in.) yd 36
in.
1 yd = 40 in.
yards (yd) kilometres (km) yd 0.0009144
km
1 yd = 0.0009 km
yards (yd) metres (m) yd 0.9144
m
1 yd = 0.9 m
yards (yd) miles (mi) yd 0.0005681
mi
1 yd = 0.0006 mi
yards (yd) millimetres (mm) yd 914.14
mm
1 yd = 900 mm

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