Mass application rate.
Pounds per Hectare to Pounds per Square mile Converter — lb/ha to lb/mi2
Convert Pound per Hectare (lb/ha) to Pound per Square mile (lb/mi2) using the exact conversion factor (1 pound per hectare = 258.998811 pound per square mile). See the formula, worked examples, and conversion table.
Pounds per Hectare to Pounds 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 4.5359237e-5 / 1.75132993e-7.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Hectare to Pounds per Square mile
Pound per Hectare and Pound 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
pounds per square mile = pounds per hectare × 258.998811034
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per hectare equals 0.000045359237 base units, and 1 pound per square mile equals 1.75133e-7 base units, so dividing one by the other gives the direct pound per hectare-to-pound per square mile factor of 258.998811034.
Simple example
1 lb/ha × 258.998811 = 258.998811 lb/mi2
1 pound per hectare = 258.998811 pounds per square mile.
Real-world example
100 lb/ha × 258.998811 = 25,899.8811 lb/mi2
100 pounds per hectare = 25,899.8811 pounds per square mile.
Conversion table
| Pound per Hectare (lb/ha) | Pound per Square mile (lb/mi2) |
|---|---|
| 1 lb/ha | 258.998811 lb/mi2 |
| 5 lb/ha | 1,294.994055 lb/mi2 |
| 10 lb/ha | 2,589.98811 lb/mi2 |
| 50 lb/ha | 12,949.94055 lb/mi2 |
| 100 lb/ha | 25,899.8811 lb/mi2 |
| 500 lb/ha | 129,499.4055 lb/mi2 |
Reverse conversion: Pound per Square mile to Pound per Hectare
258.998811 lb/mi2 × 0.003861021585 = 0.9999999999 lb/ha
258.998811 pounds per square mile = 0.9999999999 pounds per hectare.
pounds per hectare = pounds per square mile × 0.00386102158542
For a page dedicated to this direction, see Pound per Square mile to Pound per Hectare.
Understanding the Pound per Hectare (lb/ha)
Mass application rate.
Understanding the Pound per Square mile (lb/mi2)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per square mile are in 1 pound per hectare?
1 pound per hectare equals 258.998811 pounds per square mile, using the exact defined conversion factor rather than an estimate.
How do I convert pound per hectare to pound per square mile?
Multiply the pound per hectare value by 258.998811. The converter above does this instantly to whatever precision you set.
How do I convert pound per square mile back to pound per hectare?
Use the reverse factor: 1 pound per square mile equals 0.0038610216 pounds per hectare. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per hectare?
Pound per Hectare (lb/ha) is a unit of agriculture.
What is a pound per square mile?
Pound per Square mile (lb/mi2) is a unit of agriculture.
Is the pound per hectare to pound per square mile conversion exact?
Yes. Both pound per hectare and pound 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.