Liquid application rate.
Fluid ounces per Square foot to Gallons per Square mile Converter — fl oz/ft2 to gal/mi2
Convert Fluid ounce per Square foot (fl oz/ft2) to Gallon per Square mile (gal/mi2) using the exact conversion factor (1 fluid ounce per square foot = 217,800 gallon per square mile). See the formula, worked examples, and conversion table.
Fluid ounces per Square foot to Gallons per Square mile 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 0.0003183268229 / 1.46155566e-9.
Liquid Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Fluid ounces per Square foot to Gallons per Square mile
Fluid ounce per Square foot and Gallon per Square mile 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 mile = fluid ounces per square foot × 217800
This factor comes from each unit's defined relationship to the category's base unit: 1 fluid ounce per square foot equals 0.000318326822917 base units, and 1 gallon per square mile equals 1.461556e-9 base units, so dividing one by the other gives the direct fluid ounce per square foot-to-gallon per square mile factor of 217800.
Simple example
1 fl oz/ft2 × 217800 = 217,800 gal/mi2
1 fluid ounce per square foot = 217,800 gallons per square mile.
Real-world example
100 fl oz/ft2 × 217800 = 21,780,000 gal/mi2
100 fluid ounces per square foot = 21,780,000 gallons per square mile.
Conversion table
| Fluid ounce per Square foot (fl oz/ft2) | Gallon per Square mile (gal/mi2) |
|---|---|
| 1 fl oz/ft2 | 217,800 gal/mi2 |
| 5 fl oz/ft2 | 1,089,000 gal/mi2 |
| 10 fl oz/ft2 | 2,178,000 gal/mi2 |
| 50 fl oz/ft2 | 10,890,000 gal/mi2 |
| 100 fl oz/ft2 | 21,780,000 gal/mi2 |
| 500 fl oz/ft2 | 108,900,000 gal/mi2 |
Reverse conversion: Gallon per Square mile to Fluid ounce per Square foot
1 gal/mi2 × 0.000004591368228 = 0.0000045914 fl oz/ft2
1 gallon per square mile = 0.0000045914 fluid ounces per square foot.
fluid ounces per square foot = gallons per square mile × 0.00000459136822773
For a page dedicated to this direction, see Gallon per Square mile to Fluid ounce per Square foot.
Understanding the Fluid ounce per Square foot (fl oz/ft2)
Liquid application rate.
Understanding the Gallon per Square mile (gal/mi2)
Liquid application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallons per square mile are in 1 fluid ounce per square foot?
1 fluid ounce per square foot equals 217,800 gallons per square mile, using the exact defined conversion factor rather than an estimate.
How do I convert fluid ounce per square foot to gallon per square mile?
Multiply the fluid ounce per square foot value by 217800. The converter above does this instantly to whatever precision you set.
How do I convert gallon per square mile back to fluid ounce per square foot?
Use the reverse factor: 1 gallon per square mile equals 0.0000045914 fluid ounces per square foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a fluid ounce per square foot?
Fluid ounce per Square foot (fl oz/ft2) is a unit of agriculture.
What is a gallon per square mile?
Gallon per Square mile (gal/mi2) is a unit of agriculture.
Is the fluid ounce per square foot to gallon per square mile conversion exact?
Yes. Both fluid ounce per square foot and gallon per square mile are defined by fixed standards rather than physical artifacts, so the factor of 217800 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.