Pipeline Rules of Thumb Handbook: Quick and Accurate Solutions to Your Everyday Pipeline Problems, Sixth Edition

Chapter 22: Conversion Factors

OVERVIEW

Units of Measurement Convert from one System to Another

To Convert

To

Multiply by

A

abcoulomb

statcoulombs

2.998 E+ 10

acre

square chain (gunters)

10

acre

rods

160

acre

square links (gunters)

1 E+ 05

acre

hectare or square hectometer

0.4047

acres

square feet

43,560

acres

square meters

4,047

acres

square miles

1.562 E-03

acres

square yards

4,840

acre-feet

cubic feet

43,560

acre-feet

gallons

3.259 E+ 05

acre-feet

cubic meters

1.233489 E+ 03

amperes/square centimeter

amperes/square inch

6.452

amperes/square centimeter

amperes/square meter

1 E-04

amperes/square inch

amperes/square centimeter

0.155

amperes/square inch

amperes/square meter

1,550

amperes/square meter

amperes/square centimeter

E-04

amperes/square meter

amperes/square inch

6.452 E-04

ampere-hours

coulombs

3,600

ampere-hours

faradays

0.03731

ampere-turns

gilberts

1.257

ampere-turns/centimeter

ampere-turns/inch

2.54

ampere-turns/centimeter

ampere-turns/meter

100

ampere-turns/centimeter

gilberts/centimeter

1.257

ampere-turns/inch

ampere-turns/centimeter

0.3937

ampere-turns/inch

ampere-turns/meter

39.37

ampere-turns/inch

gilberts/centimeter

0.495

ampere-turns/meter

ampere-turns/centimeter

0.01

ampere-turns/meter

ampere-turns/inch

0.0254

ampere-turns/meter

gilberts/centimeter

0.01257

angstrom unit

inch

3,937 E-09

angstrom unit

meter

1 E-10

angstrom unit

micron or Mu

1 E-04

are

acre (U.S.)

0.02471

ares

square yards

119.6

ares

acres

0.02471

ares

square meters

100

astronomical unit

kilometers

1.495 E+ 08

atmospheres

ton/square inch

0.007348

atmospheres

bar

1.01325

atmospheres

centimeters of mercury

76

atmospheres

feet of water (at 4 C)

33.9

atmospheres

inches of mercury (at 0 C)

29.92

To Convert

To

Multiply

atmospheres

kilograms/square centimeter

1.0333

atmospheres

kilograms/square meter

10,332

atmospheres

kiloPascal

101.33

atmospheres

pounds/square inch

14.7

atmospheres

tons/square foot

1.058

B

barrels (U.S., dry)

cubic inches

7,056

barrels (U.S., dry)

quarts (dry)

105

barrels (U.S., liquid)

gallons

31.5

barrels...

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