Convert Feet per Minute to Millimeters per Second
1 foot per minute (ft/min) equals 5.08 millimeters per second (mm/s).
1 ft/min = 5.08 mm/s
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk foot per minute to millimeter per second converter to paste a column from Excel.
How to Convert Foot per Minute to Millimeter per Second
- 1 ft/min = 5.08 mm/s
- 1 mm/s = 0.1968503937 ft/min
- Example: convert 15 ft/min to mm/s: 15 ft/min = 15 × 5.08 mm/s = 76.2 mm/s
Formula
mm/s = ft/min × 5.08
Derivation from SI units:
- 1 ft/min = 0.3048 m ÷ 60 s = 0.00508 m/s
- 1 mm/s = 0.001 m ÷ 1 s = 1 L/(m²·s)
- 1 ft/min = 0.00508 m/s ÷ 0.001 m/s per mm/s = 5.08 mm/s
Both units are defined exactly, so the factor is exact. Foot per Minute definition: foot per minute; Millimeter per Second definition: millimeter per second.
Worked examples
- A reading of 90 ft/min converts to 457.2 mm/s.
90 ft/min × 5.08 = 457.2 mm/s - A value of 300 ft/min is 1524 mm/s.
300 ft/min × 5.08 = 1524 mm/s
Foot per Minute to Millimeter per Second conversion table
| Feet per Minute (ft/min) | Millimeters per Second (mm/s) |
|---|---|
| 10 ft/min | 50.8 mm/s |
| 20 ft/min | 101.6 mm/s |
| 50 ft/min | 254 mm/s |
| 60 ft/min | 304.8 mm/s |
| 75 ft/min | 381 mm/s |
| 80 ft/min | 406.4 mm/s |
| 90 ft/min | 457.2 mm/s |
| 100 ft/min | 508 mm/s |
| 120 ft/min | 609.6 mm/s |
| 150 ft/min | 762 mm/s |
| 200 ft/min | 1016 mm/s |
| 250 ft/min | 1270 mm/s |
| 300 ft/min | 1524 mm/s |
| 350 ft/min | 1778 mm/s |
| 400 ft/min | 2032 mm/s |
| 500 ft/min | 2540 mm/s |
| 600 ft/min | 3048 mm/s |
| 1000 ft/min | 5080 mm/s |
| 2000 ft/min | 10160 mm/s |
Where it's used
Feet per Minute are used for fume hood face velocity (commonly 80–120 fpm), while millimeters per second appear in air permeability of fabrics, nonwovens and papers (ISO 9237, EN ISO 9237). Both measure face velocity and air permeability (volumetric flow per unit area), so the conversion is a fixed factor.
Foot per Minute to other face velocity & air permeability units
| Conversion | 1 ft/min equals |
|---|---|
| foot per minute to meter per second | 0.00508 m/s |
| foot per minute to decimeter per second | 0.0508 dm/s |
| foot per minute to centimeter per second | 0.508 cm/s |
| foot per minute to millimeter per second | 5.08 mm/s |
| foot per minute to meter per minute | 0.3048 m/min |
| foot per minute to liter per square meter per second | 5.08 L/(m²·s) |
| foot per minute to milliliter per second per square centimeter | 0.508 mL/(s·cm²) |
| foot per minute to cubic centimeter per second per square centimeter | 0.508 cm³/(s·cm²) |
| foot per minute to liter per square decimeter per minute | 3.048 L/(dm²·min) |
| foot per minute to cubic decimeter per square centimeter per minute | 0.03048 dm³/(cm²·min) |
| foot per minute to cubic foot per square foot per minute | 1 ft³/(ft²·min) |
Frequently asked questions
How many millimeters per second are in 1 foot per minute?
1 ft/min = 5.08 mm/s.
How do I convert feet per minute to millimeters per second?
Multiply the value in ft/min by 5.08. For example, 15 ft/min × 5.08 = 76.2 mm/s.
Is the ft/min to mm/s conversion exact?
Yes. Both units are defined exactly, and 1 ft/min is exactly 5.08 mm/s.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "foot per minute (ft/min)".
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 2 with SI prefix milli.
- ISO 9237:1995 Textiles — Determination of the permeability of fabrics to air, International Organization for Standardization , results expressed in mm/s.
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 Feet per Minute to Millimeters per Second. Retrieved October 17, 2026, from https://scientificconverters.com/face-velocity/feet-per-minute-to-millimeters-per-second/
IEEE
Scientific Converters, "Convert Feet per Minute to Millimeters per Second," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/face-velocity/feet-per-minute-to-millimeters-per-second/