Unit Conversion Tables

 

Useful Conversion Factors

LENGTH

IN

FT

YD

M

INCH (IN)

1

0.833

0.0278

0.0254

FOOT (FT)

12

1

0.333

0.305

YARD (YD)

36

3

1

0.9144

METER (M)

39.37

3.281

1.094

1

AREA

IN²

FT²

YD²

SQUARE INCH (IN²)

1

0.00624

0.000772

0.000645

SQUARE FOOT (FT²)

144

1

0.111

0.0929

SQUARE YARD (YD²)

1296

9

1

0.836

SQUARE METER (M²)

1550

10.76

1.196

1

VOLUME

US GAL

IMP GAL

FT³

US GALLON (US GAL)

1

0.833

0.134

0.0038

IMPERIAL GALLON (IMP GAL)

1.2

1

0.161

0.0045

CUBIC FOOT (FT³)

7.481

6.229

1

0.0283

CUBIC METER (M³)

264.172

219.97

35.3147

1

VELOCITY

FT/S

FT/M

M/S

 

FOOT/SECOND (FT/S)

1

60

0.305

 

FOOT/MINUTE (FT/M)

60

1

18.288

 

METER/SECOND (M/S)

3.281

196.86

1

 

FLOW

US GPM

IMP GPM

M³/H

L/S

US GAL/MIN (US GPM)

1

1.201

0.273

0.076

IMP. GAL/MIN (IMP GPM)

0.833

1

0.227

0.063

M³/HOUR (M³/H)

3.667

4.403

1

0.278

LITRE/SECOND (L/S)

13.198

15.85

3.6

1

FILTRATION VELOCITY

US GAL FT²/MIN

IMP. GAL/FT²/MIN

FT³/FT²/MIN

M³/M²/HR

US GAL/ FT²/MIN

1

0.833

7.45

0.134

IMP. GAL per FT²/MIN

1.201

1

0.158

2.936

FT³/FT²/MIN

7.474

6.311

1

18.322

M³/M²/HOUR

0.409

0.341

0.055

1

MASS

Lb

Kg

g

 

POUNDS (Lb)

1

0.454

454

 

KILOGRAM (Kg)

2.205

1

1000

 

GRAM (g)

0.0022

1000

1

 

PRESSURE

PSI

BAR

Kg/cm²

PA

POUND²/INCH (PSI)

1

0.07

0.07

6895

BAR

14.5

1

1.02

100,000

Kg/CENTIMETER² (Kg/cm²)

14.23

0.98

1

98,100

GPASCAL (PA)

0.00014

0.00001

0.00001

1

ENERGY

J

KWH

KCAL

BTU

JOULE (J)

1

0.000000277

0.00024

0.0095

KILOWATT/HOUR (KWH)

3,600,000

1

861.244

3412.14

KILOCALORIE (KCAL)

4186

0.0012

1

3967.44

BRITISH THERMAL UNIT (BTU)

1055.06

0.00029

0.252

1

POWER

KW

HP

BTU/HR

 

KILOWATT (KW)

1

1.341

3412.14

 

HORSEPOWER (HP)

0.746

1

2544.43

 

BTU/HOUR  (BTU/HR)

0.00029

0.00039

1

 

TEMPERATURE

°C

°F

K

 

CELSIUS (°C)

1

1.8°C+32

°C+273.16

 

FAHRENHEIT (°F)

(°F-32)/1.8

1

n/a

 

KELVIN (K)

K-273

n/a

1

 

 

 

 

 

 

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