Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

A

acres

x

0.404 69

=

hectares

acres

x

43,560

=

square feet (ft²)

acres

x

4,046.873

=

square meters (m²)

acre-feet

x

43,560

=

cubic feet (ft³ or cf)

acre-feet

x

7,758

=

barrels

angstrom units

x

1.0E-10

=

meters (m)

atmospheres

x

14.70

=

pounds/square inch

atmospheres

x

1.033

=

kilograms/square centimeter

atmospheres

x

1.013250E+05

=

pascal

atmospheres

x

33.90

=

Feet of water

atmospheres

x

76.0

=

centimeter of mercury

B  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

barrels (crude oil)

x

5.6146

=

cubic feet of crude oil

barrels (crude oil)

x

0.158 987 3

=

cubic meters of crude oil

barrels (crude oil)

x

42

=

gallons of crude oil, US

barrels (crude oil)

x

158.987 3

=

liters of crude oil

barrels (crude oil)

x

0.136

=

metric tons of crude oil

barrels/day

x

0.0292

=

Gallons(US)/minute

barrels/day

x

1.84

=

cubic centimeters/second

barrels (crude oil)

x

0.15

=

short tons of crude oil

barrels, US liquid

x

0.75

=

barrels of crude oil

barrels, US liquid

x

31.5

=

gallons, US

bars

x

0.98

=

atmospheres

bars

x

14.50

=

pounds/square inch

British thermal units (Btu)

x

3.931E-04

=

horsepower-hours

British thermal units (Btu)

x

0.000 292 8

=

kilowatthours (kWh)

bushels, US

x

0.035 239 07

=

cubic meters (m³)

C  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

calories (cal)

x

4.186 8

=

joules (J)

centimeters (cm)

x

0.394

=

inches (in)

centimeters of mercury

x

0.44

=

feet of water

centimeters/second

x

0.036

=

kilometers/hour

centipoise

x

0.01

=

poise

centipoise

x

0.01

=

grams/cm-sec

centipoise

x

0.0010

=

pascal-second

centipoise

x

6.72E-04

=

pounds/ft-sec

cubic centimeters (cm³)

x

3.531E-05

=

cubic feet (ft³ or cf)

cubic centimeters (cm³)

x

0.06102

=

cubic inches (in³)

cubic centimeters (cm³)

x

2.642E-04

=

gallons, US liquid

cubic centimeters (cm³)

x

1.0E-03

=

liters (L)

cubic feet (ft³ or cf)

x

28,320

=

cubic centimeters (cm³)

cubic feet (ft³ or cf)

x

1728

=

cubic inches (in³)

cubic feet (ft³ or cf)

x

7.48

=

gallons, US liquid

cubic feet (ft³ or cf)

x

28.316 8

=

liters (L)

cubic feet (ft³ or cf)

x

2.831685E-02

=

cubic meters

cubic feet/minute

x

472

=

cubic centimeters/second

cubic feet/minute

x

4.72E-4

=

cubic meters/second

cubic feet/minute

x

0.12

=

gallons/second

cubic feet/minute

x

0.471 947 4

=

liters/second

cubic inches (in³)

x

16.38706

=

cubic centimeters (cm³)

cubic inches (in³)

x

1.639E-05

=

cubic meters (m³)

cubic inches (in³)

x

4.329E-03

=

gallons (gal)

cubic inches (in³)

x

0.016387 06

=

liters (L)

cubic meters (m³)

x

35.315

=

cubic feet (ft³ or cf)

cubic meters (m³)

x

264.20

=

gallons, US liquid

cubic meters (m³)

x

1,000

=

liters (L)

cubic meters/sec (m^3/s)

x

15,850

=

gallons/minute

cubic meters/sec (m^3/s)

x

2118

=

cubic feet/minute

cubic meters/sec (m^3/s)

x

60,000

=

liters/minute

cycles/second

x

1.0

=

hertz

D  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

darcy

x

0.9869E-12

=

meter squared

days (mean solar)

x

86,400

=

seconds

degrees (angle)

x

0.0111

=

quadrants

degrees (angle)

x

0.017 453 29

=

radians

degrees (angle)

x

3,600

=

seconds

degrees/second

x

0.16667

=

revolutions/minute

dynes

x

1.0E-05

=

joules/meter (newtons)

dynes/square centimeter

x

1.0E-06

=

bars

E  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

em (pica)

x

0.42

=

centimeters (cm)

ergs

x

1.0E-07

=

joules (J)

ergs

x

2.78E-14

=

kilowatthours (kWh)

ergs/second

x

1.3E-10

=

horsepower (hp)

ergs/second

x

1.0E-10

=

kilowatts

F  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

feet (ft)

x

30.48

=

centimeters (cm)

feet (ft)

x

12

=

inches (in)

feet (ft)

x

0.3048

=

meters (m)

feet (ft)

x

1.645E-04

=

miles (nautical)

feet (ft)

x

1.894E-04

=

miles (statute)

feet of water

x

0.029499

=

atmospheres of water

feet of water

x

0.8826

=

inches of mercury

feet of water

x

0.433515

=

pounds/square inch

feet/minute

x

0.5080

=

centimeter/second

feet/second

x

1.09728

=

kilometers/hour

feet/second

x

0.59248

=

knots

feet/second

x

0.681818

=

miles/hour

foot-candles

x

10.763 91

=

lumens/square meter

foot-pounds

x

3.77E-07

=

kilowatthours (kWh)

foot-pounds/minute

x

2.26E-05

=

kilowatts (kW)

foot-pounds/sec

x

0.00181

=

horsepower

G  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

gallons, US (gal)

x

0.031 75

=

barrels

gallons, US (gal)

x

0.02381

=

barrels of crude oil

gallons, US (gal)

x

3,785.41

=

cubic centimeters (cm³)

gallons, US (gal)

x

0.1337

=

cubic feet (ft³ or cf)

gallons, US (gal)

x

3.785412E-03

=

cubic meters (m³)

gallons, US (gal)

x

0.832675

=

gallons, imperial

gallons, US (gal)

x

3.785412

=

liters (L)

gallons, liquid British imperial

x

1.2014

=

gallons, US liquid

gallons of crude oil

x

0.02380952

=

barrels of crude oil

gallons/minute, US

x

8.0208

=

cubic feet/hour

gallons/minute, US

x

0.134

=

cubic feet/minute

gallons/minute, US

x

6.309E-05

=

cubic meters/sec

gausses

x

1.0E-04

=

webers/square meter

grains

x

0.064798 91

=

grams (g)

grams (g)

x

0.0353

=

ounces

grams (g)

x

2.204623E-03

=

pounds (lb)

grams/centimeter

x

5.6E-03

=

pounds/inch

grams/cubic centimeter

x

62.43

=

pounds/cubic foot

grams/cubic centimeter

x

8.347

=

pounds/gallon

grams/liter

x

1,000

=

parts/million

grams/liter

x

8.34

=

pounds/1,000 gallons

grams/liter

x

0.06243

=

pounds/cubic foot

grams/square centimeter

x

2.04816

=

pounds/square foot

gram-calories

x

1.56E-06

=

horsepower-hours

gram-calories

x

1.16E-06

=

kilowatthours (kWh)

H  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

hectares (ha)

x

2.471

=

acres

hectares (ha)

x

107,600

=

square feet (ft²)

hectares (ha)

x

10,000

=

square meters (m²)

horsepower (hp)

x

1.014

=

horsepower (metric)

horsepower (hp)

x

42.44

=

British thermal units/minute

horsepower (hp)

x

550

=

foot-pounds/second

horsepower-hour (hp-hr)

x

2.684520E+6

=

Joules

horsepower (hp)

x

0.746043

=

kilowatts

horsepower (metric)

x

0.986

=

horsepower

horsepower (metric)

x

542.5

=

foot-pounds/second

I  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

inches (in)

x

2.54

=

centimeters (cm)

inches (in)

x

0.0254

=

meters (m)

inches (in)

x

1.578E-05

=

miles (mi)

inches of mercury

x

0.4912

=

pounds/square inch

inches of water at (4^oC)

x

2.458E-03

=

atmospheres

inches of water at (4^oC)

x

0.03

=

pounds/square inch

J  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

joules (J)

x

9.48E-04

=

British thermal units (Btu)

joules (J)

x

2.778E-04

=

watthours (Wh)

K  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

kilograms (kg)

x

2.204 6

=

pounds (lb)

kilograms (kg)

x

9.84E-04

=

tons, long

kilograms (kg)

x

1.1E-03

=

tons, metric (t)

kilograms/cubic meter

x

1.42E-03

=

pounds/square inch

kilograms/meter

x

0.67197

=

pounds/foot

kilograms/square centimeter

x

0.9678

=

atmospheres

kilograms/square centimeter

x

14.223

=

pounds/square inch

kilograms/square meter

x

9.81E-05

=

bars

kilogram-meters

x

2.72E-06

=

kilowatthours (kWh)

kilometers (km)

x

3,280.84

=

feet (ft)

kilometers (km)

x

0.621 4

=

miles (mi)

kilometers/hour

x

0.91134

=

feet/second

kilometers/hour

x

0.53995

=

knots

kilometers/hour

x

0.62137

=

miles/hour

kilowatts (kW)

x

1.341

=

horsepower (hp)

kilowatts (kW)

x

1,000

=

watts (W)

kilowatthours (kWh)

x

3,413

=

British thermal units (Btu)

kilowatthours (kWh)

x

3.60E+06

=

Joules

L  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

liters (L)

x

0.0063

=

barrels of oil

liters (L)

x

0.0084

=

barrels

liters (L)

x

0.035315

=

cubic feet (ft³ or cf)

liters (L)

x

61.02

=

cubic inches (in³)

liters (L)

x

0.264

=

gallons

long tons

x

1,016.047

=

kilograms (kg)

long tons

x

1.016047

=

metric tons (t)

long tons

x

2,240

=

pounds (lb)

long tons

x

1.12

=

short tons (st)

M  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

meters (m)

x

3.281

=

feet (ft)

meters (m)

x

6.21E-04

=

miles (statute)

meters/second

x

2.23

=

miles/hour

meters/second

x

196.8

=

feet/minute

metric tons (t)

x

1,000

=

kilograms (kg)

metric tons (t)

x

2,204.62

=

pounds (lb)

metric tons (t)

x

1.1023

=

short tons (st)

metric tons of crude oil

x

7.33

=

barrels (bbl)

microns

x

1.0E-06

=

meters (m)

miles, statute

x

161,000

=

centimeters (cm)

miles, statute

x

5,280

=

feet (ft)

miles, statute

x

1.609344

=

kilometers (km)

miles, statute

x

1,609

=

meters (m)

miles, statute

x

0.868975

=

miles, nautical

miles/hour

x

44.70

=

centimeter/second

miles/hour

x

1.4667

=

feet/second

meters (m)

x

3.281

=

feet

meters (m)

x

6.21E-04

=

miles (statute)

millimeters

x

0.03937

=

inches

milligrams/liter

x

1

=

parts/million

million gallons/day

x

1.5472

=

cubic feet/second

minutes (angles)

x

0.0167

=

degrees

N  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

newtons

x

0.22481

=

pounds force

newtons

x

100,000

=

dynes

O  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

ounces (oz)

x

28.34

=

grams (g)

ounces (oz)

x

0.0625

=

pounds (lb)

P  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

pascal

x

1

=

newton/sq meter

pascal

x

9.871E-06

=

atmosphere

parts/million

x

8.34

=

pounds/million gallon (gal)

pints, US liquid

x

0.125

=

gallons, US (gal)

poise (P)

x

1

=

grams/centimeter second

poundals

x

13,826

=

dynes

pounds (lb)

x

4.45E+05

=

dynes

pounds (lb)

x

453.59

=

grams (g)

pounds (lb)

x

4.5359E-04

=

Tons (metric)

pounds (lb)

x

4.448

=

joules/meter (newtons)

pounds (lb)

x

0.45359237

=

kilograms (kg)

pounds (lb)

x

16

=

ounces (oz)

pounds of water

x

27.68

=

cubic inches (in³)

pounds of water

x

0.11983

=

gallons (gal)

pounds/cubic foot

x

0.1337

=

pounds/gallon (US)

pounds/cubic foot

x

0.006944

=

pounds/sq inch/foot (psi/ft)

pounds/cubic foot

x

0.016026

=

specific gravity

pounds/cubic foot

x

0.016026

=

grams/cubic centimeter

pounds/cubic foot

x

16.026

=

kilograms/cubic meter

pounds/cubic inch

x

27.68

=

grams/cubic centimeter

pounds/cubic inch

x

27,680

=

kilograms/cubic meter

pounds/foot

x

1.4882

=

kilograms/meter

pounds/inch

x

178.60

=

grams/centimeter

pounds/gallon (ppg)

x

0.12005

=

specific gravity

pounds/gallon (ppg)

x

0.052

=

pounds/sq inch/foot (psi/ft)

pounds/gallon (ppg)

x

7.48

=

pounds/cubic foot

pounds/gallon (ppg)

x

0.1198

=

grams/cubic centimeter

pounds/square inch

x

0.0680

=

atmospheres

pounds/square inch

x

2.3095

=

feet of water

pounds/square inch

x

2.03602

=

inches of mercury

pounds/square inch

x

703.0696

=

kilograms/square meter

pounds/square inch

x

6.894757E+03

=

pascal

pounds/square inch

x

144

=

pounds/square foot

pounds/sq inch/foot(psi/ft)

x

19.23

=

pounds/gallon (US)

pounds/sq inch/foot(psi/ft)

x

144

=

pounds/cubic foot

pounds/sq inch/foot (psi/ft)

x

2.3095

=

specific gravity

Q  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

quadrants, angle

x

90

=

degrees

quadrants, angle

x

1.5708

=

radians

quarts, liquid

x

57.75

=

cubic inches (in³)

quarts, liquid

x

9.46E-04

=

cubic meters (m³)

R  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

radians

x

57.29

=

degrees

radians

x

3,438

=

minutes

radians

x

206,000

=

seconds

revolutions

x

360

=

degrees

revolutions

x

4

=

quadrants

revolutions

x

6.283185

=

radians

S  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

seconds (angle)

x

2.78E-04

=

degrees

seconds (angle)

x

4.848137E-06

=

radians

short tons (st)

x

0.8929

=

long tons

short tons (st)

x

0.9071847

=

metric tons (t)

short tons (st)

x

2,000

=

pounds (lb)

short tons of crude oil

x

6.65

=

barrels (bbl)

specific gravity

x

1

=

grams/cubic centimeter

specific gravity

x

0.433

=

pounds/sq inch/foot (psi/ft)

specific gravity

x

8.33

=

pounds/gallon (US)

specific gravity

x

350.5

=

pounds/barrel

specific gravity

x

62.4

=

pounds/cubic foot

square centimeters (cm²)

x

1.08E-03

=

square feet (ft²)

square centimeters (cm²)

x

0.1550

=

square inches (in²)

square inch (in²)

x

6.4516

=

square centimeter

square feet (ft²)

x

2.2956E-05

=

acres

square feet (ft²)

x

929.03

=

square centimeters (cm²)

square feet (ft²)

x

144

=

square inches (in²)

square feet (ft²)

x

0.09290304

=

square meters (m²)

square feet (ft²)

x

3.59E-08

=

square miles (mi²)

square kilometers (km²)

x

247.10

=

acres

square kilometers (km²)

x

100

=

hectares

square kilometers (km²)

x

0.386

=

square miles (mi²)

square meters (m²)

x

2.471E-04

=

acres

square meters (m²)

x

10.763915

=

square feet (ft²)

square meters (m²)

x

3.86E-07

=

square miles (mi²)

square miles (mi²)

x

640

=

acres

square miles (mi²)

x

27,900,000

=

square feet (ft²)

square miles (mi²)

x

2.589988

=

square kilometers (km²)

T  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

therms

x

100,000

=

BTUs of natural gas

therms

x

1.054804E+08

=

joules (J)

tonnes

x

1.0

=

tons, metric

tons, long

x

1,016.047

=

kilograms (kg)

tons, long

x

1.016047

=

metric tons (t)

tons, long

x

2,240

=

pounds (lb)

tons, long

x

1.12

=

short tons (st)

tons, metric (t)

x

7.33

=

barrels of crude oil

tons, metric (t)

x

1,000

=

kilograms (kg)

tons, metric (t)

x

2,204.62

=

pounds (lb)

tons, short (st)

x

6.65

=

barrels of crude oil

tons, short (st)

x

0.8929

=

long tons

tons, short (st)

x

0.9071847

=

metric tons (t)

tons, short (st)

x

2,000

=

pounds (lb)

U  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

V  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

W  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

watts (W)

x

3.41219

=

British thermal units/hour

watts (W)

x

0.001341

=

horsepower (hp)

watts (absolute)

x

1

=

joules/second

watthours (Wh)

x

3.41219

=

British thermal units (Btu)

watthours (Wh)

x

2,656

=

foot-pounds

weeks

x

168

=

hours

X  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

Y  Return to top of page

Original Unit

Multiplied
By

Conversion
Factor

Equals

Final Unit

years (mean of 4-year period)

x

365.25

=

days

years (mean of 4-year period)

x

8,766

=

hours

years (mean of 4-year period)

x

526,000

=

minutes (time)

years (mean of 4-year period)

x

31,558,150

=

seconds (time)

years (mean of 4-year period)

x

52.17

=

week

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