Mass application rate.
Grams per Hectare to Grams per Square Kilometer Converter — g/ha to g/km2
Convert Gram per Hectare (g/ha) to Gram per Square Kilometer (g/km2) using the exact conversion factor (1 gram per hectare = 100 gram per square kilometer). See the formula, worked examples, and conversion table.
Grams per Hectare 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 1e-7 / 1e-9.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Grams per Hectare to Grams per Square Kilometer
Gram per Hectare 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 = grams per hectare × 100
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 gram per square kilometer equals 1e-9 base units, so dividing one by the other gives the direct gram per hectare-to-gram per square kilometer factor of 100.
Simple example
1 g/ha × 100 = 100 g/km2
1 gram per hectare = 100 grams per square kilometer.
Real-world example
100 g/ha × 100 = 10,000 g/km2
100 grams per hectare = 10,000 grams per square kilometer.
Conversion table
| Gram per Hectare (g/ha) | Gram per Square Kilometer (g/km2) |
|---|---|
| 1 g/ha | 100 g/km2 |
| 5 g/ha | 500 g/km2 |
| 10 g/ha | 1,000 g/km2 |
| 50 g/ha | 5,000 g/km2 |
| 100 g/ha | 10,000 g/km2 |
| 500 g/ha | 50,000 g/km2 |
Reverse conversion: Gram per Square Kilometer to Gram per Hectare
100 g/km2 × 0.01 = 1 g/ha
100 grams per square kilometer = 1 grams per hectare.
grams per hectare = grams per square kilometer × 0.01
For a page dedicated to this direction, see Gram per Square Kilometer to Gram per Hectare.
Understanding the Gram per Hectare (g/ha)
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 gram per hectare?
1 gram per hectare equals 100 grams per square kilometer, using the exact defined conversion factor rather than an estimate.
How do I convert gram per hectare to gram per square kilometer?
Multiply the gram per hectare value by 100. The converter above does this instantly to whatever precision you set.
How do I convert gram per square kilometer back to gram per hectare?
Use the reverse factor: 1 gram per square kilometer equals 0.01 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 gram per square kilometer?
Gram per Square Kilometer (g/km2) is a unit of agriculture.
Is the gram per hectare to gram per square kilometer conversion exact?
Yes. Both gram per hectare and gram per square kilometer are defined by fixed standards rather than physical artifacts, so the factor of 100 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.