Air Permeance Conversion Chart

Printable air permeance conversion tables for the most-used conversions. Values are exact or rounded to 6 significant figures. Free to print and share with the credit line “Scientific Converters (scientificconverters.com)”.

Download PNG chart Open the Gurley to Air Permeance Converter (Bendtsen, Frazier)

Gurley second to micrometre per pascal second

Gurley second to micrometre per pascal second conversion chart
s/100 mL	µm/(Pa·s)
1	127.081
5	25.4162
10	12.7081
20	6.35405
30	4.23603
50	2.54162
100	1.27081
200	0.635405
500	0.254162
1000	0.127081

micrometre per pascal second to Gurley second

micrometre per pascal second to Gurley second conversion chart
µm/(Pa·s)	s/100 mL
0.01	12708.1
0.1	1270.81
0.5	254.162
1	127.081
2	63.5405
5	25.4162
10	12.7081
20	6.35405
50	2.54162
100	1.27081

Gurley second to Frazier

Gurley second to Frazier conversion chart
s/100 mL	cfm/ft² @125 Pa
1	3.12699
5	0.625398
10	0.312699
20	0.15635
30	0.104233
50	0.0625398
100	0.0312699
200	0.015635
500	0.00625398
1000	0.00312699

Frazier to Gurley second

Frazier to Gurley second conversion chart
cfm/ft² @125 Pa	s/100 mL
0.5	6.25398
1	3.12699
2	1.5635
5	0.625398
10	0.312699
20	0.15635
50	0.0625398
100	0.0312699
200	0.015635
500	0.00625398

Gurley second to Bendtsen

Gurley second to Bendtsen conversion chart
s/100 mL	mL/min (Bendtsen)
1	11208.5
5	2241.71
10	1120.85
20	560.427
30	373.618
50	224.171
100	112.085
200	56.0427
500	22.4171
1000	11.2085

Bendtsen to Gurley second

Bendtsen to Gurley second conversion chart
mL/min (Bendtsen)	s/100 mL
10	1120.85
50	224.171
100	112.085
200	56.0427
500	22.4171
1000	11.2085
1500	7.47236
2000	5.60427
3000	3.73618
5000	2.24171

Source: Scientific Converters (scientificconverters.com), data version 2026-10-15. Factors from NIST SP 811 and the BIPM SI Brochure. Licence: CC BY 4.0.