Mass application rate.
Pounds per Square mile to Grams per Square Kilometer Converter — lb/mi2 to g/km2
Convert Pound per Square mile (lb/mi2) to Gram per Square Kilometer (g/km2) using the exact conversion factor (1 pound per square mile = 175.1329932 gram per square kilometer). See the formula, worked examples, and conversion table.
Pounds per Square mile to Grams 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 / 1e-9.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Square mile to Grams per Square Kilometer
Pound per Square mile and Gram 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
grams per square kilometer = pounds per square mile × 175.132993155
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 gram per square kilometer equals 1e-9 base units, so dividing one by the other gives the direct pound per square mile-to-gram per square kilometer factor of 175.132993155.
Simple example
1 lb/mi2 × 175.1329932 = 175.1329932 g/km2
1 pound per square mile = 175.1329932 grams per square kilometer.
Real-world example
100 lb/mi2 × 175.1329932 = 17,513.29932 g/km2
100 pounds per square mile = 17,513.29932 grams per square kilometer.
Conversion table
| Pound per Square mile (lb/mi2) | Gram per Square Kilometer (g/km2) |
|---|---|
| 1 lb/mi2 | 175.1329932 g/km2 |
| 5 lb/mi2 | 875.6649658 g/km2 |
| 10 lb/mi2 | 1,751.329932 g/km2 |
| 50 lb/mi2 | 8,756.649658 g/km2 |
| 100 lb/mi2 | 17,513.29932 g/km2 |
| 500 lb/mi2 | 87,566.49658 g/km2 |
Reverse conversion: Gram per Square Kilometer to Pound per Square mile
175.1329932 g/km2 × 0.005709946378 = 1 lb/mi2
175.1329932 grams per square kilometer = 1 pounds per square mile.
pounds per square mile = grams per square kilometer × 0.00570994637837
For a page dedicated to this direction, see Gram per Square Kilometer to Pound per Square mile.
Understanding the Pound per Square mile (lb/mi2)
Mass application rate.
Understanding the Gram per Square Kilometer (g/km2)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per square kilometer are in 1 pound per square mile?
1 pound per square mile equals 175.1329932 grams per square kilometer, using the exact defined conversion factor rather than an estimate.
How do I convert pound per square mile to gram per square kilometer?
Multiply the pound per square mile value by 175.1329932. The converter above does this instantly to whatever precision you set.
How do I convert gram per square kilometer back to pound per square mile?
Use the reverse factor: 1 gram per square kilometer equals 0.0057099464 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 gram per square kilometer?
Gram per Square Kilometer (g/km2) is a unit of agriculture.
Is the pound per square mile to gram per square kilometer conversion exact?
Yes. Both pound per square mile and gram per square kilometer are defined by fixed standards rather than physical artifacts, so the factor of 175.1329932 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.