21 ft3ph to ppm = 17.4407 ppm

21 ft3ph ≈ 17.4407 ppm. To convert cubic feet per hour to pints per minute, multiply by 0.83051139: 21 × 0.83051139 = 17.4407.

21 ft3ph = 17.4407 ppm

How to convert cubic feet per hour to pints per minute

ppm = ft3ph × 0.83051139

  1. 1 ft3ph = 0.83051139 ppm (and 1 ppm = 1.2040774 ft3ph).
  2. Multiply the amount by the factor: 21 × 0.83051139 = 17.4407.
  3. Answer: 21 ft3ph ≈ 17.4407 ppm (rounded to 6 significant figures).

Cubic Feet Per Hour to Pints Per Minute table

Cubic Feet Per Hour (ft3ph)Pints Per Minute (ppm)
16 ft3ph13.2882 ppm
17 ft3ph14.1187 ppm
18 ft3ph14.9492 ppm
19 ft3ph15.7797 ppm
20 ft3ph16.6102 ppm
21 ft3ph17.4407 ppm
22 ft3ph18.2713 ppm
23 ft3ph19.1018 ppm
24 ft3ph19.9323 ppm
25 ft3ph20.7628 ppm
26 ft3ph21.5933 ppm
ft3phppm
1 ft3ph0.830511 ppm
5 ft3ph4.1526 ppm
10 ft3ph8.3051 ppm
50 ft3ph41.5256 ppm
100 ft3ph83.0511 ppm
1,000 ft3ph830.511 ppm

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  • "21 ft3ph to ppm = 17.4407 ppm". WorksheetGenius.com. Accessed on November 3, 2026. http://worksheetgenius.com/unit-converter/convert-21-ft3ph-to-ppm/.

  • "21 ft3ph to ppm = 17.4407 ppm". WorksheetGenius.com, http://worksheetgenius.com/unit-converter/convert-21-ft3ph-to-ppm/. Accessed 3 November, 2026

  • 21 ft3ph to ppm = 17.4407 ppm. WorksheetGenius.com. Retrieved from http://worksheetgenius.com/unit-converter/convert-21-ft3ph-to-ppm/.