Convert Metres per Day to Gallons per Day per Square Foot
1 metre per day (m/day) = 24.54238675 US gallons per day per square foot (gpd/ft²). 1 gpd/ft² = 0.04074583333 m/day. Example: 15 m/day = 15 × 24.54238675 = 368.1358012 gpd/ft².
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1 m/day = 24.54238675 gpd/ft²
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk metre per day to gpd/ft² converter to paste a column from Excel.
How to Convert Metre per Day to Gallon per Day per Square Foot
- 1 m/day = 24.54238675 gpd/ft²
- 1 gpd/ft² = 0.04074583333 m/day
- Example: convert 15 m/day to gpd/ft²: 15 m/day = 15 × 24.54238675 gpd/ft² = 368.1358012 gpd/ft²
Formula
gpd/ft² = m/day × 24.54238674711
Derivation from SI units:
- 1 m/day = 1/86,400 m/s.
- 1 gpd/ft² = 0.003785411784 m³ ÷ 86,400 s ÷ 0.09290304 m².
- 1 m/day = 0.00001157407407407 m/s ÷ 4.715952932099 × 10⁻⁷ m/s per gpd/ft² = 24.54238674711 gpd/ft²
Both units are defined exactly, so the factor is exact. Metre per Day definition: metre per day; Gallon per Day per Square Foot definition: US gallon per day per square foot.
Worked examples
- A reading of 0.5 m/day converts to 12.27119337 gpd/ft².
0.5 m/day × 24.54238675 = 12.27119337 gpd/ft² - A value of 10 m/day is 245.4238675 gpd/ft².
10 m/day × 24.54238675 = 245.4238675 gpd/ft²
Metre per Day to Gallon per Day per Square Foot conversion table
| Metres per Day (m/day) | Gallons per Day per Square Foot (gpd/ft²) |
|---|---|
| 0.001 m/day | 0.02454238675 gpd/ft² |
| 0.01 m/day | 0.2454238675 gpd/ft² |
| 0.1 m/day | 2.454238675 gpd/ft² |
| 0.5 m/day | 12.27119337 gpd/ft² |
| 1 m/day | 24.54238675 gpd/ft² |
| 5 m/day | 122.7119337 gpd/ft² |
| 10 m/day | 245.4238675 gpd/ft² |
| 25 m/day | 613.5596687 gpd/ft² |
| 50 m/day | 1227.119337 gpd/ft² |
| 100 m/day | 2454.238675 gpd/ft² |
Where it's used
Metres per Day are used for aquifer transmissivity T = K b (m²/day), while US gallons per day per square foot appear in older USGS and well-driller reports. Both measure hydraulic conductivity (coefficient of permeability k), so the conversion is a fixed factor.
Metre per Day to other hydraulic conductivity units
| Conversion | 1 m/day equals |
|---|---|
| metre per day to gpd/ft² | 24.54238675 gpd/ft² |
| metre per day to metre per second | 0.00001157407407 m/s |
| metre per day to centimetre per second | 0.001157407407 cm/s |
| metre per day to centimetre per hour | 4.166666667 cm/h |
| metre per day to millimetre per hour | 41.66666667 mm/h |
| metre per day to foot per day | 3.280839895 ft/day |
| metre per day to inch per hour | 1.640419948 in/h |
Frequently asked questions
How many US gallons per day per square foot are in 1 metre per day?
1 m/day = 24.54238675 gpd/ft².
How do I convert metres per day to US gallons per day per square foot?
Multiply the value in m/day by 24.54238675. For example, 15 m/day × 24.54238675 = 368.1358012 gpd/ft².
Is the m/day to gpd/ft² conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- 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).
- 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, "gallon (U.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 Metres per Day to Gallons per Day per Square Foot. Retrieved October 29, 2026, from https://scientificconverters.com/hydraulic-conductivity/meters-per-day-to-gallons-per-day-per-square-foot/
IEEE
Scientific Converters, "Convert Metres per Day to Gallons per Day per Square Foot," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/hydraulic-conductivity/meters-per-day-to-gallons-per-day-per-square-foot/