Liquid application rate.
Gallons per Hectare to Gallons per Square mile Converter — gal/ha to gal/mi2
Convert Gallon per Hectare (gal/ha) to Gallon per Square mile (gal/mi2) using the exact conversion factor (1 gallon per hectare = 258.998811 gallon per square mile). See the formula, worked examples, and conversion table.
Gallons per Hectare 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 3.78541178e-7 / 1.46155566e-9.
Liquid Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Gallons per Hectare to Gallons per Square mile
Gallon per Hectare 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 = gallons per hectare × 258.998811034
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per hectare equals 3.785412e-7 base units, and 1 gallon per square mile equals 1.461556e-9 base units, so dividing one by the other gives the direct gallon per hectare-to-gallon per square mile factor of 258.998811034.
Simple example
1 gal/ha × 258.998811 = 258.998811 gal/mi2
1 gallon per hectare = 258.998811 gallons per square mile.
Real-world example
100 gal/ha × 258.998811 = 25,899.8811 gal/mi2
100 gallons per hectare = 25,899.8811 gallons per square mile.
Conversion table
| Gallon per Hectare (gal/ha) | Gallon per Square mile (gal/mi2) |
|---|---|
| 1 gal/ha | 258.998811 gal/mi2 |
| 5 gal/ha | 1,294.994055 gal/mi2 |
| 10 gal/ha | 2,589.98811 gal/mi2 |
| 50 gal/ha | 12,949.94055 gal/mi2 |
| 100 gal/ha | 25,899.8811 gal/mi2 |
| 500 gal/ha | 129,499.4055 gal/mi2 |
Reverse conversion: Gallon per Square mile to Gallon per Hectare
258.998811 gal/mi2 × 0.003861021585 = 0.9999999999 gal/ha
258.998811 gallons per square mile = 0.9999999999 gallons per hectare.
gallons per hectare = gallons per square mile × 0.00386102158542
For a page dedicated to this direction, see Gallon per Square mile to Gallon per Hectare.
Understanding the Gallon per Hectare (gal/ha)
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 gallon per hectare?
1 gallon per hectare equals 258.998811 gallons per square mile, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per hectare to gallon per square mile?
Multiply the gallon per hectare value by 258.998811. The converter above does this instantly to whatever precision you set.
How do I convert gallon per square mile back to gallon per hectare?
Use the reverse factor: 1 gallon per square mile equals 0.0038610216 gallons per hectare. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per hectare?
Gallon per Hectare (gal/ha) 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 gallon per hectare to gallon per square mile conversion exact?
Yes. Both gallon per hectare and gallon per square mile are defined by fixed standards rather than physical artifacts, so the factor of 258.998811 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.