Convert Frazier (cfm/ft²) to mm/s @200 Pa
1 Frazier (cfm/ft² at 125 Pa) (cfm/ft² @125 Pa) = 8.128 millimetres per second at 200 Pa (mm/s @200 Pa). 1 mm/s @200 Pa = 0.1230314961 cfm/ft² @125 Pa. Example: 15 cfm/ft² @125 Pa = 15 × 8.128 = 121.92 mm/s @200 Pa.
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1 cfm/ft² @125 Pa = 8.128 mm/s @200 Pa
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk Frazier to millimetre per second at 200 Pa converter to paste a column from Excel.
How to Convert Frazier (cfm/ft²) to Millimetre per Second At 200 Pa
- 1 cfm/ft² @125 Pa = 8.128 mm/s @200 Pa
- 1 mm/s @200 Pa = 0.1230314961 cfm/ft² @125 Pa
- Example: convert 15 cfm/ft² @125 Pa to mm/s @200 Pa: 15 cfm/ft² @125 Pa = 15 × 8.128 mm/s @200 Pa = 121.92 mm/s @200 Pa
Reference conditions. cfm/ft² @125 Pa: Measured at 125 Pa (0.5 inH₂O) as in ASTM D737; assumes flow proportional to pressure difference. mm/s @200 Pa: Test pressure 200 Pa (ISO 9237 industrial fabrics, EN filter media); assumes flow proportional to pressure difference.
Formula
mm/s @200 Pa = cfm/ft² @125 Pa × 8.128
Derivation from SI units:
- 1 cfm/ft² = 0.00508 m/s; at 125 Pa that is 0.00508 ÷ 125 = 4.064 × 10⁻⁵ m/(Pa·s) = 40.64 µm/(Pa·s).
- 1 mm/s ÷ 200 Pa = 5 × 10⁻⁶ m/(Pa·s) = 5 µm/(Pa·s).
- 1 cfm/ft² @125 Pa = 40.64 µm/(Pa·s) ÷ 5 µm/(Pa·s) per mm/s @200 Pa = 8.128 mm/s @200 Pa
One unit is a measured value, so the factor is approximate. Frazier (cfm/ft²) definition: Frazier (cfm/ft² at 125 Pa); Millimetre per Second At 200 Pa definition: millimetre per second at 200 Pa.
Worked examples
- A reading of 5 cfm/ft² @125 Pa converts to 40.64 mm/s @200 Pa.
5 cfm/ft² @125 Pa × 8.128 = 40.64 mm/s @200 Pa - A value of 50 cfm/ft² @125 Pa is 406.4 mm/s @200 Pa.
50 cfm/ft² @125 Pa × 8.128 = 406.4 mm/s @200 Pa
Frazier (cfm/ft²) to Millimetre per Second At 200 Pa conversion table
| Frazier (cfm/ft²) (cfm/ft² @125 Pa) | Millimetres per Second At 200 Pa (mm/s @200 Pa) |
|---|---|
| 0.5 cfm/ft² @125 Pa | 4.064 mm/s @200 Pa |
| 1 cfm/ft² @125 Pa | 8.128 mm/s @200 Pa |
| 2 cfm/ft² @125 Pa | 16.256 mm/s @200 Pa |
| 5 cfm/ft² @125 Pa | 40.64 mm/s @200 Pa |
| 10 cfm/ft² @125 Pa | 81.28 mm/s @200 Pa |
| 20 cfm/ft² @125 Pa | 162.56 mm/s @200 Pa |
| 50 cfm/ft² @125 Pa | 406.4 mm/s @200 Pa |
| 100 cfm/ft² @125 Pa | 812.8 mm/s @200 Pa |
| 200 cfm/ft² @125 Pa | 1625.6 mm/s @200 Pa |
| 500 cfm/ft² @125 Pa | 4064 mm/s @200 Pa |
Where it's used
Frazier (cfm/ft²) are used for woven and nonwoven filter media, while millimetres per second at 200 Pa appear in industrial and filter fabrics. Both measure air permeance (air flow per unit area per unit pressure difference), so the conversion is a fixed factor.
Frazier (cfm/ft²) to other air permeance units
| Conversion | 1 cfm/ft² @125 Pa equals |
|---|---|
| Frazier to millimetre per second at 200 Pa | 8.128 mm/s @200 Pa |
| Frazier to micrometre per pascal second | 40.64 µm/(Pa·s) |
| Frazier to Gurley second | 3.126991894 s/100 mL |
| Frazier to Bendtsen | 3584.448 mL/min (Bendtsen) |
| Frazier to millimetre per second at 100 Pa | 4.064 mm/s @100 Pa |
Frequently asked questions
How many millimetres per second at 200 Pa are in 1 Frazier (cfm/ft² at 125 Pa)?
1 cfm/ft² @125 Pa = 8.128 mm/s @200 Pa.
How do I convert Frazier (cfm/ft² at 125 Pa) to millimetres per second at 200 Pa?
Multiply the value in cfm/ft² @125 Pa by 8.128. For example, 15 cfm/ft² @125 Pa × 8.128 = 121.92 mm/s @200 Pa.
Is the cfm/ft² @125 Pa to mm/s @200 Pa conversion exact?
Not exactly. The Frazier (cfm/ft² at 125 Pa) is a measured value (Measured at 125 Pa (0.5 inH₂O) as in ASTM D737; assumes flow proportional to pressure difference.). The millimetre per second at 200 Pa is a measured value (Test pressure 200 Pa (ISO 9237 industrial fabrics, EN filter media); assumes flow proportional to pressure difference.). Results are good to about 5 significant figures.
Sources
- ASTM D737 Standard Test Method for Air Permeability of Textile Fabrics, ASTM International .
- ISO 9237:1995 Textiles — Determination of the permeability of fabrics to air, International Organization for Standardization .
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Frazier (cfm/ft²) to mm/s @200 Pa. Retrieved October 29, 2026, from https://scientificconverters.com/air-permeance/frazier-to-millimeters-per-second-at-200-pa/
IEEE
Scientific Converters, "Convert Frazier (cfm/ft²) to mm/s @200 Pa," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/air-permeance/frazier-to-millimeters-per-second-at-200-pa/