Mass application rate.
Grams per Hectare to Pounds per Square Kilometer Converter — g/ha to lb/km2
Convert Gram per Hectare (g/ha) to Pound per Square Kilometer (lb/km2) using the exact conversion factor (1 gram per hectare = 0.2204622622 pound per square kilometer). See the formula, worked examples, and conversion table.
Grams per Hectare 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 1e-7 / 4.5359237e-7.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Grams per Hectare to Pounds per Square Kilometer
Gram per Hectare 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 = grams per hectare × 0.220462262185
This factor comes from each unit's defined relationship to the category's base unit: 1 gram per hectare equals 1e-7 base units, and 1 pound per square kilometer equals 4.535924e-7 base units, so dividing one by the other gives the direct gram per hectare-to-pound per square kilometer factor of 0.220462262185.
Simple example
1 g/ha × 0.2204622622 = 0.2204622622 lb/km2
1 gram per hectare = 0.2204622622 pounds per square kilometer.
Real-world example
100 g/ha × 0.2204622622 = 22.04622622 lb/km2
100 grams per hectare = 22.04622622 pounds per square kilometer.
Conversion table
| Gram per Hectare (g/ha) | Pound per Square Kilometer (lb/km2) |
|---|---|
| 1 g/ha | 0.2204622622 lb/km2 |
| 5 g/ha | 1.102311311 lb/km2 |
| 10 g/ha | 2.204622622 lb/km2 |
| 50 g/ha | 11.02311311 lb/km2 |
| 100 g/ha | 22.04622622 lb/km2 |
| 500 g/ha | 110.2311311 lb/km2 |
Reverse conversion: Pound per Square Kilometer to Gram per Hectare
0.2204622622 lb/km2 × 4.5359237 = 1 g/ha
0.2204622622 pounds per square kilometer = 1 grams per hectare.
grams per hectare = pounds per square kilometer × 4.5359237
For a page dedicated to this direction, see Pound per Square Kilometer to Gram per Hectare.
Understanding the Gram per Hectare (g/ha)
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 gram per hectare?
1 gram per hectare equals 0.2204622622 pounds per square kilometer, using the exact defined conversion factor rather than an estimate.
How do I convert gram per hectare to pound per square kilometer?
Multiply the gram per hectare value by 0.2204622622. The converter above does this instantly to whatever precision you set.
How do I convert pound per square kilometer back to gram per hectare?
Use the reverse factor: 1 pound per square kilometer equals 4.5359237 grams per hectare. You can also use the swap control in the converter above to flip the direction instantly.
What is a gram per hectare?
Gram per Hectare (g/ha) 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 gram per hectare to pound per square kilometer conversion exact?
Yes. Both gram per hectare and pound per square kilometer are defined by fixed standards rather than physical artifacts, so the factor of 0.2204622622 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.