3 English/Metric
Gas Flow Rate Conversion
Chart Conversion
Formulas: cfh x
.472195 = L/min L/min
x 2.12 = cfh Find
the flow rate to be converted in the
center column. If in cfh, read L/ min
in column to right. If in L/min, read cfh
in column to left. cfh
L/min 2.12
1 0.472
4.24 2
0.944 6.36
3 1.416
8.48 4
1.888 10.60
5 2.360
12.72 6
2.832 14.84
7 3.304
16.96 8
3.776 19.08
9 4.248
21.20 10
4.719 23.32
11 5.191
25.44 12
5.664 27.56
13 6.135
29.68 14
6.607 31.80
15 7.079
33.92 16
7.551 36.04
17 8.023
38.16 18
8.495 40.28
19 8.967
42.40 20
9.439 44.52
21 9.911
46.64 22
10.383 48.76
23 10.855
50.88 24
11.327 53.00
25 11.799
55.12 26
12.271 57.24
27 12.743
59.36 28
13.215 61.48
29 13.686
63.60 30
14.158 65.72
31 14.631
67.84 32
15.102 69.96
33 15.574
72.08 34
16.046 44.20
35 16.518
76.32 36
16.990 78.44
37 17.462
80.56 38
17.934 82.68
39 18.406
84.80 40
18.878 86.92
41 19.350
89.04 42
19.822 91.16
43 20.294
93.28 44
20.766 95.40
45 21.238
97.52 46
21.710 99.64
47 22.182
101.76 48
22.653 103.88
49 23.125
106.00 50
23.597 108.12
51 24.069
110.24 52
24.541 112.36
53 25.013
114.48 54
25.485 116.60
55 25.957
118.72 56
26.429 120.84
57 26.901
122.96 58
27.373 125.08
59 27.845
127.20 60
28.317 129.32
61 28.789
131.44 62
29.261 133.56
63 29.733
135.68 64
30.205 137.80
65 30.677
139.92 66
31.149 142.04
67 31.621
144.16 68
32.097 146.28
69 32.564
148.40 70
33.036 150.52
71 33.508
152.64 72
33.980 154.76
73 34.452
156.88 74
34.924 159.00
75 35.396
161.12 76
35.868 163.24
77 36.340
165.36 78
36.812 167.48
79 37.284
169.60 80
37.756 171.72
81 38.228
173.84 82
38.700 175.96
83 39.172
178.08 84
39.644 180.20
85 40.116
182.32 86
40.587 184.44
87 41.060
186.56 88
41.532 188.68
89 42.003
190.80 90
42.475 192.92
91 42.947
195.04 92
43.419 197.16
93 43.891
199.28 94
44.363 201.40
95 44.835
203.52 96
45.307 205.64
97 45.778
207.76 98
46.251 209.88
99 46.723
212.00 100
47.195 cfh
L/min cfh
L/min cfh
L/min cfh
L/min
