CONVERSION FACTORS

Length
Surface
Volume
Discharge
Velocity
Weight, Mass
Angular Distance
Power
Work
Hydrologic Equivalents

Length

Multiply

By

To obtain

Miles

1.60935

Kilometers

 

1,760

Yards

 

5,280

Feet

 

63,360

Inches

Meters

0.00062137

Miles

 

1.0936

Yards

 

3.28088

Feet

 

39.37

Inches

 

100

Centimeters

 

0.001

Kilometers

Yards

0.9144

Meters

 

0.00056818

Miles

 

3.0

Feet

 

36

Inches

Feet

0.3048

Meters

 

0.00018939

Miles

 

0.33333

Yards

 

12

Inches

Inches

0.08333

Feet

 

0.027778

Yards

 

0.000015783

Miles

 

2.54

Centimeters

Surface

Multiply

By

To obtain

Square miles

4,014,489,600

Square inches

 

27,878,400

Square feet

 

3,097,600

Square yards

 

640

Acres

 

259

Hectares

Acres

0.404687

Hectares

 

0.0015625

Square miles

 

4,840

Square yards

 

43,560

Square feet

 

4,047

Square meters

Square yards

0.83613

Square meters

 

0.0000003228

Square miles

 

0.0002066

Acres

 

9

Square feet

 

1,296

Square inches

Square feet

0.092903

Square meters

 

0.0000003587

Square miles

 

0.11111

Square yards

 

144

Square inches

Square inches

0.0000000002491

Square miles

 

6.45163

Square centimeters

 

0.0000001594

Acres

 

0.0007716

Square yards

 

0.006944

Square feet

Volume

Multiply

By

To obtain

Acre-feet

325,851

U.S. Gallons

 

43,560

cubic feet

 

1,613.3

Cubic yards

 

1,233.49

Cubic meters

Cubic yards

27

Cubic feet

 

46,656

Cubic inches

 

0.00061983

Acre-feet

 

0.76456

Cubic meters

Cubic feet

1,728

Cubic inches

 

7.4805

U.S. gallons

 

28.317

Liters

 

0.037037

Cubic yards

 

0.000022957

Acre-feet

U.S. gallons

231

Cubic inches

 

3.78543

Liters

 

0.13368

Cubic feet

 

0.00000307

Acre-feet

Cubic inches

16.3872

Cubic centimeters

 

0.004329

U.S. gallons

 

0.0005787

Cubic feet

Discharge

Cubic feet per second

448.8

U.S. gallons per minute

 

60

Cubic feet per minute

 

3,600

Cubic feet per hour

 

86,400

Cubic feet per day

 

723.9669

Acre-feet per year

 

1.9835

Acre-feet per day

 

0.9917

Acre-inches per hour

 

50

Miner's inch in ID, KN, NB, 
SD, ND, NM, UT, WA

 

40

Miner's inch in AZ, MT, OR, 
NV, CA

 

38.4

Miner's inch in CO

 

0.028317

Cubic meters per second

 

1.699

Cubic meters per minute

 

101.941

Cubic meters per hour

 

2,446.58

Cubic meters per day

Million gallons per day

1.547

Cubic feet per second

 

3.07

Acre-feet per day

 

2.629

Cubic meters per minute

Gallons per minute

0.06309

Liters per second

 

3.7854

Liters per minute

Velocity

Feet per second

0.68

Miles per hour

 

1.097

Kilometer per hour