Mass application rate.
Short tons per Acre to Short tons per Square mile Converter — ton/ac to ton/mi2
Convert Short ton per Acre (ton/ac) to Short ton per Square mile (ton/mi2) using the exact conversion factor (1 short ton per acre = 640 short ton per square mile). See the formula, worked examples, and conversion table.
Short tons per Acre to Short tons 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 0.2241702312 / 0.0003502659863.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Short tons per Acre to Short tons per Square mile
Short ton per Acre and Short ton 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
short tons per square mile = short tons per acre × 640
This factor comes from each unit's defined relationship to the category's base unit: 1 short ton per acre equals 0.224170231239 base units, and 1 short ton per square mile equals 0.000350265986311 base units, so dividing one by the other gives the direct short ton per acre-to-short ton per square mile factor of 640.
Simple example
1 ton/ac × 640 = 640 ton/mi2
1 short ton per acre = 640 short tons per square mile.
Real-world example
100 ton/ac × 640 = 64,000 ton/mi2
100 short tons per acre = 64,000 short tons per square mile.
Conversion table
| Short ton per Acre (ton/ac) | Short ton per Square mile (ton/mi2) |
|---|---|
| 1 ton/ac | 640 ton/mi2 |
| 5 ton/ac | 3,200 ton/mi2 |
| 10 ton/ac | 6,400 ton/mi2 |
| 50 ton/ac | 32,000 ton/mi2 |
| 100 ton/ac | 64,000 ton/mi2 |
| 500 ton/ac | 320,000 ton/mi2 |
Reverse conversion: Short ton per Square mile to Short ton per Acre
640 ton/mi2 × 0.0015625 = 1 ton/ac
640 short tons per square mile = 1 short tons per acre.
short tons per acre = short tons per square mile × 0.0015625
For a page dedicated to this direction, see Short ton per Square mile to Short ton per Acre.
Understanding the Short ton per Acre (ton/ac)
Mass application rate.
Understanding the Short ton per Square mile (ton/mi2)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many short tons per square mile are in 1 short ton per acre?
1 short ton per acre equals 640 short tons per square mile, using the exact defined conversion factor rather than an estimate.
How do I convert short ton per acre to short ton per square mile?
Multiply the short ton per acre value by 640. The converter above does this instantly to whatever precision you set.
How do I convert short ton per square mile back to short ton per acre?
Use the reverse factor: 1 short ton per square mile equals 0.0015625 short tons per acre. You can also use the swap control in the converter above to flip the direction instantly.
What is a short ton per acre?
Short ton per Acre (ton/ac) is a unit of agriculture.
What is a short ton per square mile?
Short ton per Square mile (ton/mi2) is a unit of agriculture.
Is the short ton per acre to short ton per square mile conversion exact?
Yes. Both short ton per acre and short ton 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.