Mass application rate.
Pounds per Square Kilometer to Grams per Square Meter Converter — lb/km2 to g/m2
Convert Pound per Square Kilometer (lb/km2) to Gram per Square Meter (g/m2) using the exact conversion factor (1 pound per square kilometer = 0.0004535924 gram per square meter). See the formula, worked examples, and conversion table.
Pounds per Square Kilometer to Grams per Square Meter 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 / 0.001.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Square Kilometer to Grams per Square Meter
Pound per Square Kilometer and Gram per Square Meter 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 meter = pounds per square kilometer × 0.00045359237
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 gram per square meter equals 0.001 base units, so dividing one by the other gives the direct pound per square kilometer-to-gram per square meter factor of 0.00045359237.
Simple example
1 lb/km2 × 0.00045359237 = 0.0004535924 g/m2
1 pound per square kilometer = 0.0004535924 grams per square meter.
Real-world example
100 lb/km2 × 0.00045359237 = 0.045359237 g/m2
100 pounds per square kilometer = 0.045359237 grams per square meter.
Conversion table
| Pound per Square Kilometer (lb/km2) | Gram per Square Meter (g/m2) |
|---|---|
| 1 lb/km2 | 0.0004535924 g/m2 |
| 5 lb/km2 | 0.0022679619 g/m2 |
| 10 lb/km2 | 0.0045359237 g/m2 |
| 50 lb/km2 | 0.0226796185 g/m2 |
| 100 lb/km2 | 0.045359237 g/m2 |
| 500 lb/km2 | 0.226796185 g/m2 |
Reverse conversion: Gram per Square Meter to Pound per Square Kilometer
0.0004535924 g/m2 × 2204.622622 = 1.000000066 lb/km2
0.0004535924 grams per square meter = 1.000000066 pounds per square kilometer.
pounds per square kilometer = grams per square meter × 2204.62262185
For a page dedicated to this direction, see Gram per Square Meter to Pound per Square Kilometer.
Understanding the Pound per Square Kilometer (lb/km2)
Mass application rate.
Understanding the Gram per Square Meter (g/m2)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grams per square meter are in 1 pound per square kilometer?
1 pound per square kilometer equals 0.0004535924 grams per square meter, using the exact defined conversion factor rather than an estimate.
How do I convert pound per square kilometer to gram per square meter?
Multiply the pound per square kilometer value by 0.00045359237. The converter above does this instantly to whatever precision you set.
How do I convert gram per square meter back to pound per square kilometer?
Use the reverse factor: 1 gram per square meter equals 2,204.622622 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 gram per square meter?
Gram per Square Meter (g/m2) is a unit of agriculture.
Is the pound per square kilometer to gram per square meter conversion exact?
Yes. Both pound per square kilometer and gram per square meter are defined by fixed standards rather than physical artifacts, so the factor of 0.00045359237 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.