Saturday, November 5, 2022

Unit Conversion from Innovyze H20Calc

 

3.17 Unit Conversion

Both SI and English units are used throughout this users guide. Tables 13-14 through 13-19 list conversion factors for common units.

 

Table 13-14: Length Equivalents

Unit

Equivalent

Millimeter

Inch

Foot

Meter

Kilometer

Mile

Millimeter

1

0.03937

0.003281

0.001

1´10-6

0.621´10-6

Inch

25.4

1

0.0833

0.0254

25.40´10-6

15.78´10-6

Foot

304.8

12

1

0.3048

304.8´10-6

189.4´10-6

Meter

1,000

39.37

3.281

1

0.0010

621.4´10-6

Kilometer

1´106

39,370

3,281

1,000

1

0.6214

Mile

1.609´106

63,360

5,280

1,609

1.609

1

Note: Multiply the amount of the given unit by the value shown to obtain the amount in equivalent units (e.g., 1.50 m x 39.37 inch/m = 59.1 inch)

 

Table 13-15: Area Equivalents

Unit

Equivalent

Sq. inch

Sq. foot

Sq. meter

Acre

Hectare

Sq. mile

Sq. inch

1

0.006944

645´10-6

0.16´10-6

64.5´10-9

0.25´10-9

Sq. foot

144

1

0.0929

23´10-6

9.29´10-6

35.9´10-9

Sq. meter

1,550

10.76

1

2471´10-6

0.0001

0.39´10-6

Acre

6.27´106

43,560

4,047

1

0.4047

0.001563

Hectare

15.5´106

107,639

10,000

2.471

1

0.003861

Sq. mile

4.01´109

27.88´106

2.59´106

640

259.0

1

 

Table 3-16: Volume Equivalents

 

Equivalent

Unit

Cu. inch

Liter

U.S. gallon

Cu. foot

Cu. meter

Acre-foot

Cu. inch

1

0.01639

0.004329

578.7´10-6

16.39´10-6

13.29´10-9

Liter

61.02

1

0.2642

0.03531

0.0010

810.6´10-9

U.S. gallon

231.0

3.785

1

0.1337

0.003785

3.068´10-6

Cu. foot

1,728

28.32

7.481

1

0.02832

22.96´10-6

Cu. meter

61,020

1,000

264.2

35.31

1

810.6´10-6

Acre-foot

75.27´106

1.233´106

325,900

43,560

1,233

1

 

Table 3-17: Discharge Equivalents

Unit

Equivalent

Gallon/min

Liter/sec

Acre-ft/day

Cu. foot/sec

Million gal/day

Cu. meter/sec

Gallon/min

1

0.06309

0.004419

0.002228

0.001440

63.09´10-6

Liter/sec

15.85

1

0.07005

0.03531

0.02282

0.0010

Acre-ft/day

226.3

14.28

1

0.5042

0.3259

0.01428

Cu. foot/sec

448.8

28.32

1.983

1

0.6463

0.02832

Million gal/day

694.4

43.81

3.069

1.547

1

0.04381

Cu. meter/sec

15,850

1,000

70.04

35.31

22.82

1

 

Table 3-18: Miscellaneous Conversions

Dimension

SI unit

Multiplier

Equivalent U.S. customary unit

Velocity

Meter/sec

3.281

Feet/second

Mass

Kilogram

0.06852

Slugs

Force

Newton

0.2248

Pound force

Pressure

Pascal

145.0´10-6

Pound force/sq. inch

Pressure

Pascal

0.02089

Pound force/sq. foot

Power

Watt

0.001341

Horsepower

Power

Watt

0.7376

Foot-pound/second

Energy

Joule

0.7376

Foot - pound

Heat Density

Calorie/sq. cm.

(i.e., Langley)

3.687

BTU/sq. foot

Note: To covert from U.S. customary units to S.I. units, use the inverse of the listed multiplier (e.g., 2.0 ft/s ´ (1/3.281) = 0.61 m/s)

 

                                      Table 3-19: Temperature Conversions

No comments:

New Culvert Code for Culverts in ICM 2023.2+ Versions

Culvert inlets and outlets To improve the process of defining culvert inlet and culvert outlet losses for an InfoWorks network, a new fiel...