Principles of Geotechnical Engineering – Civil Engineering (Seventh Edition) – Comprehensive course reference and study material

C
O
FD
O
PR

, CONVERSION FACTORS FROM ENGLISH TO SI UNITS




P
Length: 1 ft
0.3048 m Coefficient of 1 in.2/sec
6.452 cm2/sec
1 ft
30.48 cm consolidation: 1 in.2/sec
20.346  103 m2/yr
1 ft
304.8 mm 1 ft2/sec
929.03 cm2/sec

0.0254 m




R
1 in.
Force: 1 lb
4.448 N
1 in.
2.54 cm
1 lb
4.448  103 kN
1 in.
25.4 mm
1 lb
0.4536 kgf

929.03  104 m2




O
Area: 1 ft2 1 kip
4.448 kN
1 ft2
929.03 cm2 1 U.S. ton
8.896 kN
1 ft2
929.03  102 mm2 1 lb
0.4536  103 metric ton
1 in.2
6.452  104 m2 1 lb/ft
14.593 N/m




F
1 in.2
6.452 cm2
Stress: 1 lb/ft2
47.88 N/m2
1 in.2
645.16 mm2
1 lb/ft2
0.04788 kN/m2

28.317  103 m3
95.76 kN/m2




D
Volume: 1 ft3 1 U.S. ton/ft2
1 ft3
28.317  103 cm3 1 kip/ft2
47.88 kN/m2
1 in.3
16.387  106 m3 1 lb/in.2
6.895 kN/m2
1 in.3
16.387 cm3 O Unit weight: 1 lb/ft3
0.1572 kN/m3
Section 1 in.3

0.16387  10 mm
5 3
1 lb/in.3
271.43 kN/m3
modulus: 1 in.3
0.16387  104 m3
Moment: 1 lb-ft
1.3558 N · m

0.3048 m/min
0.11298 N · m
C
Hydraulic 1 ft/min 1 lb-in.
conductivity: 1 ft/min
30.48 cm/min
Energy: 1 ft-lb
1.3558 J
1 ft/min
304.8 mm/min
1 ft/sec
0.3048 m/sec Moment of 1 in.4
0.4162  106 mm4
1 ft/sec
304.8 mm/sec inertia: 1 in.4
0.4162  106 m4
1 in./min
0.0254 m/min
1 in./sec
2.54 cm/sec
1 in./sec
25.4 mm/sec

, CONVERSION FACTORS FROM SI TO ENGLISH UNITS




P
Length: 1m
3.281 ft Stress: 1 N/m2
20.885  103 lb/ft2
1 cm
3.281  102 ft 1 kN/m2
20.885 lb/ft2

3.281  103 ft




R
1 mm 1 kN/m2
0.01044 U.S. ton/ft2
1m
39.37 in. 1 kN/m2
20.885  103 kip/ft2
1 cm
0.3937 in. 1 kN/m2
0.145 lb/in.2
1 mm
0.03937 in.




O
Unit weight: 1 kN/m3
6.361 lb/ft3
Area: 1m 2

10.764 ft 2
1 kN/m3
0.003682 lb/in.3
1 cm2
10.764  104 ft2
Moment: 1N·m
0.7375 lb-ft
1 mm2
10.764  106 ft2

8.851 lb-in.




F
1N·m
1 m2
1550 in.2
1 cm2
0.155 in.2 Energy: 1J
0.7375 ft-lb
1 mm2
0.155  102 in.2




D
Moment of 1 mm 4

2.402  106 in.4
Volume: 1m 3

35.32 ft
3
inertia: 1 m4
2.402  106 in.4
1 cm3
35.32  104 ft3
Section 1 mm3
6.102  105 in.3
1 m3
61,023.4 in.3 O modulus: 1 m3
6.102  104 in.3
1 cm3
0.061023 in.3
Hydraulic 1 m/min
3.281 ft/min
Force: 1N
0.2248 lb
conductivity: 1 cm/min
0.03281 ft/min
1 kN
224.8 lb

0.003281 ft/min
C
1 mm/min
1 kgf
2.2046 lb
1 m/sec
3.281 ft/sec
1 kN
0.2248 kip
1 mm/sec
0.03281 ft/sec
1 kN
0.1124 U.S. ton
1 m/min
39.37 in./min
1 metric ton
2204.6 lb
1 cm/sec
0.3937 in./sec
1 N/m
0.0685 lb/ft
1 mm/sec
0.03937 in./sec
Coefficient of 1 cm2/sec
0.155 in.2/sec
consolidation: 1 m2/yr
4.915  105 in.2/sec
1 cm2/sec
1.0764  103 ft2/sec

, Principles of
PR
Geotechnical Engineering
Seventh Edition

BRAJA M. DAS
O
FD
O
C


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