Liquid application rate.
Gallons per Square mile to Gallons per Square foot Converter — gal/mi2 to gal/ft2
Convert Gallon per Square mile (gal/mi2) to Gallon per Square foot (gal/ft2) using the exact conversion factor (1 gallon per square mile = 3.587006e-8 gallon per square foot). See the formula, worked examples, and conversion table.
Gallons per Square mile to Gallons per Square foot converter
Converter
Agriculture Converter
Convert acres, hectares, yield, seed, fertilizer, irrigation, and application-rate units.
Context values
Some unit families need one extra value for a physically accurate result.
Liquid application rate.
Result = input x 1.46155566e-9 / 0.04074583333.
Liquid Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Gallons per Square mile to Gallons per Square foot
Gallon per Square mile and Gallon per Square foot both measure a farming-related quantity — a land area or an application/yield rate per unit area — used to report crop yields, calculate how much fertilizer or seed a field needs, and plan irrigation. Both are liquid application rate units.
Formula
gallons per square foot = gallons per square mile × 3.587006e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per square mile equals 1.461556e-9 base units, and 1 gallon per square foot equals 0.0407458333333 base units, so dividing one by the other gives the direct gallon per square mile-to-gallon per square foot factor of 3.587006e-8.
Simple example
1 gal/mi2 × 3.587006e-8 = 3.587006e-8 gal/ft2
1 gallon per square mile = 3.587006e-8 gallons per square foot.
Real-world example
100 gal/mi2 × 3.587006e-8 = 0.000003587 gal/ft2
100 gallons per square mile = 0.000003587 gallons per square foot.
Conversion table
| Gallon per Square mile (gal/mi2) | Gallon per Square foot (gal/ft2) |
|---|---|
| 1 gal/mi2 | 3.587006e-8 gal/ft2 |
| 5 gal/mi2 | 1.793503e-7 gal/ft2 |
| 10 gal/mi2 | 3.587006e-7 gal/ft2 |
| 50 gal/mi2 | 0.0000017935 gal/ft2 |
| 100 gal/mi2 | 0.000003587 gal/ft2 |
| 500 gal/mi2 | 0.000017935 gal/ft2 |
Reverse conversion: Gallon per Square foot to Gallon per Square mile
3.587006e-8 gal/ft2 × 27878400 = 0.9999998807 gal/mi2
3.587006e-8 gallons per square foot = 0.9999998807 gallons per square mile.
gallons per square mile = gallons per square foot × 27878400
For a page dedicated to this direction, see Gallon per Square foot to Gallon per Square mile.
Understanding the Gallon per Square mile (gal/mi2)
Liquid application rate.
Understanding the Gallon per Square foot (gal/ft2)
Liquid application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallons per square foot are in 1 gallon per square mile?
1 gallon per square mile equals 3.587006e-8 gallons per square foot, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per square mile to gallon per square foot?
Multiply the gallon per square mile value by 3.587006e-8. The converter above does this instantly to whatever precision you set.
How do I convert gallon per square foot back to gallon per square mile?
Use the reverse factor: 1 gallon per square foot equals 27,878,400 gallons per square mile. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per square mile?
Gallon per Square mile (gal/mi2) is a unit of agriculture.
What is a gallon per square foot?
Gallon per Square foot (gal/ft2) is a unit of agriculture.
Is the gallon per square mile to gallon per square foot conversion exact?
Yes. Both gallon per square mile and gallon per square foot are defined by fixed standards rather than physical artifacts, so the factor of 3.587006e-8 used above is exact to as many digits as you choose to display.
What's the difference between a yield rate and an application rate?
A yield rate describes how much of a crop is harvested per unit of land area (for example, tonnes per hectare). An application rate describes how much of an input like fertilizer or seed is applied per unit of land area. Both are commonly expressed using the same kind of mass-per-area units.