Liquid application rate.
Fluid ounces per Square foot to Gallons per Acre Converter — fl oz/ft2 to gal/ac
Convert Fluid ounce per Square foot (fl oz/ft2) to Gallon per Acre (gal/ac) using the exact conversion factor (1 fluid ounce per square foot = 340.3125 gallon per acre). See the formula, worked examples, and conversion table.
Fluid ounces per Square foot to Gallons per Acre 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 / 9.35395623e-7.
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 Acre
Fluid ounce per Square foot and Gallon per Acre 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 acre = fluid ounces per square foot × 340.3125
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 acre equals 9.353956e-7 base units, so dividing one by the other gives the direct fluid ounce per square foot-to-gallon per acre factor of 340.3125.
Simple example
1 fl oz/ft2 × 340.3125 = 340.3125 gal/ac
1 fluid ounce per square foot = 340.3125 gallons per acre.
Real-world example
100 fl oz/ft2 × 340.3125 = 34,031.25 gal/ac
100 fluid ounces per square foot = 34,031.25 gallons per acre.
Conversion table
| Fluid ounce per Square foot (fl oz/ft2) | Gallon per Acre (gal/ac) |
|---|---|
| 1 fl oz/ft2 | 340.3125 gal/ac |
| 5 fl oz/ft2 | 1,701.5625 gal/ac |
| 10 fl oz/ft2 | 3,403.125 gal/ac |
| 50 fl oz/ft2 | 17,015.625 gal/ac |
| 100 fl oz/ft2 | 34,031.25 gal/ac |
| 500 fl oz/ft2 | 170,156.25 gal/ac |
Reverse conversion: Gallon per Acre to Fluid ounce per Square foot
340.3125 gal/ac × 0.002938475666 = 1 fl oz/ft2
340.3125 gallons per acre = 1 fluid ounces per square foot.
fluid ounces per square foot = gallons per acre × 0.00293847566575
For a page dedicated to this direction, see Gallon per Acre to Fluid ounce per Square foot.
Understanding the Fluid ounce per Square foot (fl oz/ft2)
Liquid application rate.
Understanding the Gallon per Acre (gal/ac)
Liquid application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallons per acre are in 1 fluid ounce per square foot?
1 fluid ounce per square foot equals 340.3125 gallons per acre, using the exact defined conversion factor rather than an estimate.
How do I convert fluid ounce per square foot to gallon per acre?
Multiply the fluid ounce per square foot value by 340.3125. The converter above does this instantly to whatever precision you set.
How do I convert gallon per acre back to fluid ounce per square foot?
Use the reverse factor: 1 gallon per acre equals 0.0029384757 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 acre?
Gallon per Acre (gal/ac) is a unit of agriculture.
Is the fluid ounce per square foot to gallon per acre conversion exact?
Yes. Both fluid ounce per square foot and gallon per acre are defined by fixed standards rather than physical artifacts, so the factor of 340.3125 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.