Feet per Day to Centimetres per Hour (ft/day to cm/h)
1 foot per day (ft/day) = 1.27 centimetres per hour (cm/h). 1 cm/h = 0.7874015748 ft/day. Example: 15 ft/day = 15 × 1.27 = 19.05 cm/h.
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1 ft/day = 1.27 cm/h
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk foot per day to centimetre per hour converter to paste a column from Excel.
How to Convert Foot per Day to Centimetre per Hour
- 1 ft/day = 1.27 cm/h
- 1 cm/h = 0.7874015748 ft/day
- Example: convert 15 ft/day to cm/h: 15 ft/day = 15 × 1.27 cm/h = 19.05 cm/h
Formula
cm/h = ft/day × 1.27
Derivation from SI units:
- 1 ft/day = 0.3048/86,400 m/s.
- 1 cm/h = 0.01/3600 m/s.
- 1 ft/day = 0.000003527777777778 m/s ÷ 0.000002777777777778 m/s per cm/h = 1.27 cm/h
Both units are defined exactly, so the factor is exact. Foot per Day definition: foot per day; Centimetre per Hour definition: centimetre per hour.
Worked examples
- A reading of 3 ft/day converts to 3.81 cm/h.
3 ft/day × 1.27 = 3.81 cm/h - A value of 50 ft/day is 63.5 cm/h.
50 ft/day × 1.27 = 63.5 cm/h
Foot per Day to Centimetre per Hour conversion table
| Feet per Day (ft/day) | Centimetres per Hour (cm/h) |
|---|---|
| 0.01 ft/day | 0.0127 cm/h |
| 0.1 ft/day | 0.127 cm/h |
| 1 ft/day | 1.27 cm/h |
| 3 ft/day | 3.81 cm/h |
| 10 ft/day | 12.7 cm/h |
| 30 ft/day | 38.1 cm/h |
| 50 ft/day | 63.5 cm/h |
| 100 ft/day | 127 cm/h |
| 300 ft/day | 381 cm/h |
| 1000 ft/day | 1270 cm/h |
Where it's used
Feet per Day are used for USGS aquifer reports, while centimetres per hour appear in infiltration capacity and Horton’s equation. Both measure hydraulic conductivity (coefficient of permeability k), so the conversion is a fixed factor.
Foot per Day to other hydraulic conductivity units
| Conversion | 1 ft/day equals |
|---|---|
| foot per day to centimetre per hour | 1.27 cm/h |
| foot per day to metre per second | 0.000003527777778 m/s |
| foot per day to centimetre per second | 0.0003527777778 cm/s |
| foot per day to metre per day | 0.3048 m/day |
| foot per day to millimetre per hour | 12.7 mm/h |
| foot per day to inch per hour | 0.5 in/h |
| foot per day to gpd/ft² | 7.480519481 gpd/ft² |
Frequently asked questions
How many centimetres per hour are in 1 foot per day?
1 ft/day = 1.27 cm/h.
How do I convert feet per day to centimetres per hour?
Multiply the value in ft/day by 1.27. For example, 15 ft/day × 1.27 = 19.05 cm/h.
Is the ft/day to cm/h conversion exact?
Yes. Both units are defined exactly, and 1 ft/day is exactly 1.27 cm/h.
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".
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (derived units) and Table 8 (non-SI units accepted for use with the SI).
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). Feet per Day to Centimetres per Hour (ft/day to cm/h). Retrieved October 29, 2026, from https://scientificconverters.com/hydraulic-conductivity/feet-per-day-to-centimeters-per-hour/
IEEE
Scientific Converters, "Feet per Day to Centimetres per Hour (ft/day to cm/h)," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/hydraulic-conductivity/feet-per-day-to-centimeters-per-hour/