Liquid application rate.
Quarts per Square foot to Gallons per Acre Converter — qt/ft2 to gal/ac
Convert Quart per Square foot (qt/ft2) to Gallon per Acre (gal/ac) using the exact conversion factor (1 quart per square foot = 10,890 gallon per acre). See the formula, worked examples, and conversion table.
Quarts 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 0.01018645833 / 9.35395623e-7.
Liquid Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Quarts per Square foot to Gallons per Acre
Quart 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 = quarts per square foot × 10890
This factor comes from each unit's defined relationship to the category's base unit: 1 quart per square foot equals 0.0101864583333 base units, and 1 gallon per acre equals 9.353956e-7 base units, so dividing one by the other gives the direct quart per square foot-to-gallon per acre factor of 10890.
Simple example
1 qt/ft2 × 10890 = 10,890 gal/ac
1 quart per square foot = 10,890 gallons per acre.
Real-world example
100 qt/ft2 × 10890 = 1,089,000 gal/ac
100 quarts per square foot = 1,089,000 gallons per acre.
Conversion table
| Quart per Square foot (qt/ft2) | Gallon per Acre (gal/ac) |
|---|---|
| 1 qt/ft2 | 10,890 gal/ac |
| 5 qt/ft2 | 54,450 gal/ac |
| 10 qt/ft2 | 108,900 gal/ac |
| 50 qt/ft2 | 544,500 gal/ac |
| 100 qt/ft2 | 1,089,000 gal/ac |
| 500 qt/ft2 | 5,445,000 gal/ac |
Reverse conversion: Gallon per Acre to Quart per Square foot
1 gal/ac × 0.00009182736455 = 0.0000918274 qt/ft2
1 gallon per acre = 0.0000918274 quarts per square foot.
quarts per square foot = gallons per acre × 0.0000918273645546
For a page dedicated to this direction, see Gallon per Acre to Quart per Square foot.
Understanding the Quart per Square foot (qt/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 quart per square foot?
1 quart per square foot equals 10,890 gallons per acre, using the exact defined conversion factor rather than an estimate.
How do I convert quart per square foot to gallon per acre?
Multiply the quart per square foot value by 10890. The converter above does this instantly to whatever precision you set.
How do I convert gallon per acre back to quart per square foot?
Use the reverse factor: 1 gallon per acre equals 0.0000918274 quarts per square foot. You can also use the swap control in the converter above to flip the direction instantly.
What is a quart per square foot?
Quart per Square foot (qt/ft2) is a unit of agriculture.
What is a gallon per acre?
Gallon per Acre (gal/ac) is a unit of agriculture.
Is the quart per square foot to gallon per acre conversion exact?
Yes. Both quart per square foot and gallon per acre are defined by fixed standards rather than physical artifacts, so the factor of 10890 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.