Mass application rate.
Pounds per Square mile to Pounds per Square Kilometer Converter — lb/mi2 to lb/km2
Convert Pound per Square mile (lb/mi2) to Pound per Square Kilometer (lb/km2) using the exact conversion factor (1 pound per square mile = 0.3861021585 pound per square kilometer). See the formula, worked examples, and conversion table.
Pounds per Square mile to Pounds per Square Kilometer 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 1.75132993e-7 / 4.5359237e-7.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Square mile to Pounds per Square Kilometer
Pound per Square mile and Pound per Square Kilometer 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 kilometer = pounds per square mile × 0.386102158542
This factor comes from each unit's defined relationship to the category's base unit: 1 pound per square mile equals 1.75133e-7 base units, and 1 pound per square kilometer equals 4.535924e-7 base units, so dividing one by the other gives the direct pound per square mile-to-pound per square kilometer factor of 0.386102158542.
Simple example
1 lb/mi2 × 0.3861021585 = 0.3861021585 lb/km2
1 pound per square mile = 0.3861021585 pounds per square kilometer.
Real-world example
100 lb/mi2 × 0.3861021585 = 38.61021585 lb/km2
100 pounds per square mile = 38.61021585 pounds per square kilometer.
Conversion table
| Pound per Square mile (lb/mi2) | Pound per Square Kilometer (lb/km2) |
|---|---|
| 1 lb/mi2 | 0.3861021585 lb/km2 |
| 5 lb/mi2 | 1.930510793 lb/km2 |
| 10 lb/mi2 | 3.861021585 lb/km2 |
| 50 lb/mi2 | 19.30510793 lb/km2 |
| 100 lb/mi2 | 38.61021585 lb/km2 |
| 500 lb/mi2 | 193.0510793 lb/km2 |
Reverse conversion: Pound per Square Kilometer to Pound per Square mile
0.3861021585 lb/km2 × 2.58998811 = 0.9999999999 lb/mi2
0.3861021585 pounds per square kilometer = 0.9999999999 pounds per square mile.
pounds per square mile = pounds per square kilometer × 2.58998811034
For a page dedicated to this direction, see Pound per Square Kilometer to Pound per Square mile.
Understanding the Pound per Square mile (lb/mi2)
Mass application rate.
Understanding the Pound per Square Kilometer (lb/km2)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many pounds per square kilometer are in 1 pound per square mile?
1 pound per square mile equals 0.3861021585 pounds per square kilometer, using the exact defined conversion factor rather than an estimate.
How do I convert pound per square mile to pound per square kilometer?
Multiply the pound per square mile value by 0.3861021585. The converter above does this instantly to whatever precision you set.
How do I convert pound per square kilometer back to pound per square mile?
Use the reverse factor: 1 pound per square kilometer equals 2.58998811 pounds per square mile. You can also use the swap control in the converter above to flip the direction instantly.
What is a pound per square mile?
Pound per Square mile (lb/mi2) is a unit of agriculture.
What is a pound per square kilometer?
Pound per Square Kilometer (lb/km2) is a unit of agriculture.
Is the pound per square mile to pound per square kilometer conversion exact?
Yes. Both pound per square mile and pound per square kilometer are defined by fixed standards rather than physical artifacts, so the factor of 0.3861021585 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.