Liquid application rate.
Gallons per Square Meter to Gallons per Square Kilometer Converter — gal/m2 to gal/km2
Convert Gallon per Square Meter (gal/m2) to Gallon per Square Kilometer (gal/km2) using the exact conversion factor (1 gallon per square meter = 1,000,000 gallon per square kilometer). See the formula, worked examples, and conversion table.
Gallons per Square Meter to Gallons 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.
Liquid application rate.
Result = input x 0.003785411784 / 3.78541178e-9.
Liquid Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Gallons per Square Meter to Gallons per Square Kilometer
Gallon per Square Meter and Gallon 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 liquid application rate units.
Formula
gallons per square kilometer = gallons per square meter × 1000000
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per square meter equals 0.003785411784 base units, and 1 gallon per square kilometer equals 3.785412e-9 base units, so dividing one by the other gives the direct gallon per square meter-to-gallon per square kilometer factor of 1000000.
Simple example
1 gal/m2 × 1000000 = 1,000,000 gal/km2
1 gallon per square meter = 1,000,000 gallons per square kilometer.
Real-world example
100 gal/m2 × 1000000 = 100,000,000 gal/km2
100 gallons per square meter = 100,000,000 gallons per square kilometer.
Conversion table
| Gallon per Square Meter (gal/m2) | Gallon per Square Kilometer (gal/km2) |
|---|---|
| 1 gal/m2 | 1,000,000 gal/km2 |
| 5 gal/m2 | 5,000,000 gal/km2 |
| 10 gal/m2 | 10,000,000 gal/km2 |
| 50 gal/m2 | 50,000,000 gal/km2 |
| 100 gal/m2 | 100,000,000 gal/km2 |
| 500 gal/m2 | 500,000,000 gal/km2 |
Reverse conversion: Gallon per Square Kilometer to Gallon per Square Meter
1 gal/km2 × 0.000001 = 0.000001 gal/m2
1 gallon per square kilometer = 0.000001 gallons per square meter.
gallons per square meter = gallons per square kilometer × 0.000001
For a page dedicated to this direction, see Gallon per Square Kilometer to Gallon per Square Meter.
Understanding the Gallon per Square Meter (gal/m2)
Liquid application rate.
Understanding the Gallon per Square Kilometer (gal/km2)
Liquid application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallons per square kilometer are in 1 gallon per square meter?
1 gallon per square meter equals 1,000,000 gallons per square kilometer, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per square meter to gallon per square kilometer?
Multiply the gallon per square meter value by 1000000. The converter above does this instantly to whatever precision you set.
How do I convert gallon per square kilometer back to gallon per square meter?
Use the reverse factor: 1 gallon per square kilometer equals 0.000001 gallons per square meter. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per square meter?
Gallon per Square Meter (gal/m2) is a unit of agriculture.
What is a gallon per square kilometer?
Gallon per Square Kilometer (gal/km2) is a unit of agriculture.
Is the gallon per square meter to gallon per square kilometer conversion exact?
Yes. Both gallon per square meter and gallon per square kilometer are defined by fixed standards rather than physical artifacts, so the factor of 1000000 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.