Mass application rate.
Grams per Square Kilometer to Kilograms per Square mile Converter — g/km2 to kg/mi2
Convert Gram per Square Kilometer (g/km2) to Kilogram per Square mile (kg/mi2) using the exact conversion factor (1 gram per square kilometer = 0.0025899881 kilogram per square mile). See the formula, worked examples, and conversion table.
Grams per Square Kilometer to Kilograms 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 1e-9 / 3.86102159e-7.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Grams per Square Kilometer to Kilograms per Square mile
Gram per Square Kilometer and Kilogram 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
kilograms per square mile = grams per square kilometer × 0.00258998811034
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per square kilometer equals 1e-9 base units, and 1 kilogram per square mile equals 3.861022e-7 base units, so dividing one by the other gives the direct gram per square kilometer-to-kilogram per square mile factor of 0.00258998811034.
Simple example
1 g/km2 × 0.00258998811 = 0.0025899881 kg/mi2
1 gram per square kilometer = 0.0025899881 kilograms per square mile.
Real-world example
100 g/km2 × 0.00258998811 = 0.258998811 kg/mi2
100 grams per square kilometer = 0.258998811 kilograms per square mile.
Conversion table
| Gram per Square Kilometer (g/km2) | Kilogram per Square mile (kg/mi2) |
|---|---|
| 1 g/km2 | 0.0025899881 kg/mi2 |
| 5 g/km2 | 0.0129499406 kg/mi2 |
| 10 g/km2 | 0.0258998811 kg/mi2 |
| 50 g/km2 | 0.1294994055 kg/mi2 |
| 100 g/km2 | 0.258998811 kg/mi2 |
| 500 g/km2 | 1.294994055 kg/mi2 |
Reverse conversion: Kilogram per Square mile to Gram per Square Kilometer
0.0025899881 kg/mi2 × 386.1021585 = 0.999999996 g/km2
0.0025899881 kilograms per square mile = 0.999999996 grams per square kilometer.
grams per square kilometer = kilograms per square mile × 386.102158542
For a page dedicated to this direction, see Kilogram per Square mile to Gram per Square Kilometer.
Understanding the Gram per Square Kilometer (g/km2)
Mass application rate.
Understanding the Kilogram per Square mile (kg/mi2)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilograms per square mile are in 1 gram per square kilometer?
1 gram per square kilometer equals 0.0025899881 kilograms per square mile, using the exact defined conversion factor rather than an estimate.
How do I convert gram per square kilometer to kilogram per square mile?
Multiply the gram per square kilometer value by 0.00258998811. The converter above does this instantly to whatever precision you set.
How do I convert kilogram per square mile back to gram per square kilometer?
Use the reverse factor: 1 kilogram per square mile equals 386.1021585 grams per square kilometer. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per square kilometer?
Gram per Square Kilometer (g/km2) is a unit of agriculture.
What is a kilogram per square mile?
Kilogram per Square mile (kg/mi2) is a unit of agriculture.
Is the gram per square kilometer to kilogram per square mile conversion exact?
Yes. Both gram per square kilometer and kilogram per square mile are defined by fixed standards rather than physical artifacts, so the factor of 0.00258998811 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.