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Appendix B — Equivalence Between SI-metric, MKS-Metric, and U.S. Customary Units of Nonhomogenous Equations in the Code

Provision number SI-metric stress in MPa mks-metric stress in kgf/cm2 U.S. Customary units stress in pounds per square inch (psi)
  1 MPa 10 kgf/cm2 145 psi
  fc' = 21 MPa fc' = 210 kgf/cm2 fc' = 3000 psi
  fc' = 28 MPa fc' = 280 kgf/cm2 fc' = 4000 psi
  fc' = 35 MPa fc' = 350 kgf/cm2 fc' = 5000 psi
  fc' = 40 MPa fc' = 420 kgf/cm2 fc' = 6000 psi
  fy = 280 MPa fy = 2800 kgf/cm2 fy = 40,000 psi
  fy = 420 MPa fy = 4200 kgf/cm2 fy = 60,000 psi
  fpu = 1725 MPa fpu = 17,600 kgf/cm2 fpu = 250,000 psi
  fpu = 1860 MPa fpu = 19,000 kgf/cm2 fpu = 270,000 psi
 
 
 
 
6.6.4.5.4 M2,min = Pu(15 + 0.03h) M2,min = Pu(1.5 + 0.03h) M2,min = Pu(0.6 + 0.03h)
7.3.1.1.1
7.3.1.1.2 (1.65 — 0.0003wc) ≥ 1.09 (1.65 — 0.0003wc) ≥ 1.09 (1.65 — 0.005wc) ≥ 1.09
7.6.1.1
7.7.3.5(c)
8.3.1.2(b)(c)
8.3.1.2(d)(e)
8.3.4.1
8.6.1.1
8.6.2.3
8.7.5.6.3.1(a) and (b)
8.7.7.1.2
9.3.1.1.1
9.3.1.1.2 (1.65 — 0.0003wc) ≥ 1.09 (1.65 — 0.0003wc) ≥ 1.09 (1.65 — 0.005wc) ≥ 1.09
9.6.1.2(a) and (b)
9.6.3.1
9.6.3.3
9.6.4.2(a) and (b)
9.6.4.3(a) and (b)
9.7.3.5(c)
9.7.6.2.2
9.9.2.1
10.6.2.2
10.7.6.5.2
11.5.4.3
11.5.4.5 and 11.5.4.6 (a)
11.5.4.6(b)
11.5.4.6(d)
11.5.4.6(e)
12.5.3.3
12.5.3.4






14.5.2.1(a)
14.5.4.1(a)
14.5.5.1(a)
14.5.5.1(b) and (c)
15.4.2
16.4.4.1 ϕ(3.5bvd) ϕ(35bvd) ϕ(500bvd)
16.4.4.2
16.4.6.1
16.5.2.4(b) and (c) (3.3 + 0.08fc')bwd

11bwd		 (34 + 0.08fc')bwd

110bwd		 (480 + 0.08fc')bwd

1600bwd
16.5.2.5(b)
17.4.2.2a
17.4.2.2b
17.4.4.1
17.4.5.1d
17.5.2.2a
17.5.2.2b
17.5.2.3
18.7.5.2 fc' > 70 MPa fc' > 700 kgf/cm2 fc' > 10,000 psi
18.7.5.3
18.7.5.4(a)
18.8.4.1
18.8.5.1
18.10.2.1
18.10.2.2
18.10.4.1
18.10.4.4
18.10.4.5
18.10.6.5(a) 28/fy 28/fy 400/fy
18.10.6.5(b)
18.10.7.2
18.10.7.4
18.12.7.6(b)
18.12.9.1
18.12.9.2
18.14.5.1
19.2.2.1(a)
19.2.2.1(b)
19.2.3.1
19.2.4.3
20.3.2.4.1
21.2.3
22.2.2.4.3
22.5.1.2
22.5.5.1
22.5.6.1
22.5.6.1(a)
22.5.6.1(b)
22.5.7.1
22.5.8.2
22.5.8.3.1a
22.5.8.3.1b
22.5.8.3.1c
22.5.8.3.2
22.5.8.3.3
22.5.10.6.2a
22.5.10.6.2b
22.6.3.1
22.6.5.2(a)
22.6.5.2(b)
22.6.5.2(c)
22.6.5.5
22.6.5.5a
22.6.5.5b
22.6.6.1(a), (b), (d)
22.6.6.1(c)
22.6.6.2(a)
22.6.6.2(b)
22.6.8.3
22.6.9.10
22.6.9.12
22.7.2.1
22.7.4.1(a)(a)
22.7.4.1(a)(b)
22.7.4.1(a)(c)
22.7.4.1(b)(a)
22.7.4.1(b)(b)
22.7.4.1(b)(c)
22.7.5.1(a)
22.7.5.1(b)
22.7.5.1(c)
22.7.7.1a
22.7.7.1b
22.9.4.4(b), (c), and (e) (3.3 + 0.08fc')Ac
11Ac
5.5Ac		 (34 + 0.08fc')Ac
110Ac
55Ac		 (480 + 0.08fc')Ac
1600Ac
800Ac
24.3.2
24.3.2.2 Δfps ≤ 250 MPa
Δfps < 140 MPa		 Δfps ≤ 2500 kgf/cm2
Δfps < 1400 kgf/cm2		 Δfps ≤ 36,000 psi
Δfps < 20,000 psi
24.4.3.2
24.5.2.1
24.5.3.2
25.4.1.4
25.4.2.2
25.4.2.3a
25.4.4.2(a)
25.4.6.3(a)
25.4.7.2(b)
25.4.8.1(a)
25.4.9.2(a)
25.4.9.2(b) (0.043fy)db (0.0044fy)db (0.0003fy)db
25.5.5.1(a) and (b) 0.071fydb

(0.13fy — 24)db		 0.0073fydb

(0.013fy — 24)db		 0.0005fydb

(0.0009fy — 24)db
25.7.1.3(b)
25.7.1.7 Abfyt ≤ 40,000 N Abfyt ≤ 4000 kgf Abfyt ≤ 9000 lb
25.9.4.5.1 fps = fse + 70 fps = fse + 700 fps = fse + 10,000
26.12.5.1