Mass application rate.
Pounds per Square Kilometer to Pounds per Square mile Converter — lb/km2 to lb/mi2
Convert Pound per Square Kilometer (lb/km2) to Pound per Square mile (lb/mi2) using the exact conversion factor (1 pound per square kilometer = 2.58998811 pound per square mile). See the formula, worked examples, and conversion table.
Pounds per Square Kilometer 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-7 / 1.75132993e-7.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Square Kilometer to Pounds per Square mile
Pound per Square Kilometer 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 square kilometer × 2.58998811034
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per square kilometer equals 4.535924e-7 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 square kilometer-to-pound per square mile factor of 2.58998811034.
Simple example
1 lb/km2 × 2.58998811 = 2.58998811 lb/mi2
1 pound per square kilometer = 2.58998811 pounds per square mile.
Real-world example
100 lb/km2 × 2.58998811 = 258.998811 lb/mi2
100 pounds per square kilometer = 258.998811 pounds per square mile.
Conversion table
| Pound per Square Kilometer (lb/km2) | Pound per Square mile (lb/mi2) |
|---|---|
| 1 lb/km2 | 2.58998811 lb/mi2 |
| 5 lb/km2 | 12.94994055 lb/mi2 |
| 10 lb/km2 | 25.8998811 lb/mi2 |
| 50 lb/km2 | 129.4994055 lb/mi2 |
| 100 lb/km2 | 258.998811 lb/mi2 |
| 500 lb/km2 | 1,294.994055 lb/mi2 |
Reverse conversion: Pound per Square mile to Pound per Square Kilometer
2.58998811 lb/mi2 × 0.3861021585 = 0.9999999999 lb/km2
2.58998811 pounds per square mile = 0.9999999999 pounds per square kilometer.
pounds per square kilometer = pounds per square mile × 0.386102158542
For a page dedicated to this direction, see Pound per Square mile to Pound per Square Kilometer.
Understanding the Pound per Square Kilometer (lb/km2)
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 square kilometer?
1 pound per square kilometer equals 2.58998811 pounds per square mile, using the exact defined conversion factor rather than an estimate.
How do I convert pound per square kilometer to pound per square mile?
Multiply the pound per square kilometer value by 2.58998811. The converter above does this instantly to whatever precision you set.
How do I convert pound per square mile back to pound per square kilometer?
Use the reverse factor: 1 pound per square mile equals 0.3861021585 pounds per square kilometer. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per square kilometer?
Pound per Square Kilometer (lb/km2) 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 square kilometer to pound per square mile conversion exact?
Yes. Both pound per square kilometer and pound per square mile are defined by fixed standards rather than physical artifacts, so the factor of 2.58998811 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.