Mass application rate.
Ounces per Acre to Ounces per Square mile Converter — oz/ac to oz/mi2
Convert Ounce per Acre (oz/ac) to Ounce per Square mile (oz/mi2) using the exact conversion factor (1 ounce per acre = 640 ounce per square mile). See the formula, worked examples, and conversion table.
Ounces per Acre to Ounces 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.
Mass application rate.
Result = input x 7.00531973e-6 / 1.09458121e-8.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Ounces per Acre to Ounces per Square mile
Ounce per Acre and Ounce 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 mass application rate units.
Formula
ounces per square mile = ounces per acre × 640
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per acre equals 0.00000700531972622 base units, and 1 ounce per square mile equals 1.094581e-8 base units, so dividing one by the other gives the direct ounce per acre-to-ounce per square mile factor of 640.
Simple example
1 oz/ac × 640 = 640 oz/mi2
1 ounce per acre = 640 ounces per square mile.
Real-world example
100 oz/ac × 640 = 64,000 oz/mi2
100 ounces per acre = 64,000 ounces per square mile.
Conversion table
| Ounce per Acre (oz/ac) | Ounce per Square mile (oz/mi2) |
|---|---|
| 1 oz/ac | 640 oz/mi2 |
| 5 oz/ac | 3,200 oz/mi2 |
| 10 oz/ac | 6,400 oz/mi2 |
| 50 oz/ac | 32,000 oz/mi2 |
| 100 oz/ac | 64,000 oz/mi2 |
| 500 oz/ac | 320,000 oz/mi2 |
Reverse conversion: Ounce per Square mile to Ounce per Acre
640 oz/mi2 × 0.0015625 = 1 oz/ac
640 ounces per square mile = 1 ounces per acre.
ounces per acre = ounces per square mile × 0.0015625
For a page dedicated to this direction, see Ounce per Square mile to Ounce per Acre.
Understanding the Ounce per Acre (oz/ac)
Mass application rate.
Understanding the Ounce per Square mile (oz/mi2)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ounces per square mile are in 1 ounce per acre?
1 ounce per acre equals 640 ounces per square mile, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per acre to ounce per square mile?
Multiply the ounce per acre value by 640. The converter above does this instantly to whatever precision you set.
How do I convert ounce per square mile back to ounce per acre?
Use the reverse factor: 1 ounce per square mile equals 0.0015625 ounces per acre. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per acre?
Ounce per Acre (oz/ac) is a unit of agriculture.
What is a ounce per square mile?
Ounce per Square mile (oz/mi2) is a unit of agriculture.
Is the ounce per acre to ounce per square mile conversion exact?
Yes. Both ounce per acre and ounce per square mile are defined by fixed standards rather than physical artifacts, so the factor of 640 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.