Mass application rate.
Pounds per Square Kilometer to Metric tons per Acre Converter — lb/km2 to t/ac
Convert Pound per Square Kilometer (lb/km2) to Metric ton per Acre (t/ac) using the exact conversion factor (1 pound per square kilometer = 0.0000018356 metric ton per acre). See the formula, worked examples, and conversion table.
Pounds per Square Kilometer to Metric tons per Acre 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 / 0.2471053815.
Mass Application Rate units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Pounds per Square Kilometer to Metric tons per Acre
Pound per Square Kilometer and Metric ton per Acre 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
metric tons per acre = pounds per square kilometer × 0.00000183562319569
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 metric ton per acre equals 0.247105381467 base units, so dividing one by the other gives the direct pound per square kilometer-to-metric ton per acre factor of 0.00000183562319569.
Simple example
1 lb/km2 × 0.000001835623196 = 0.0000018356 t/ac
1 pound per square kilometer = 0.0000018356 metric tons per acre.
Real-world example
100 lb/km2 × 0.000001835623196 = 0.0001835623 t/ac
100 pounds per square kilometer = 0.0001835623 metric tons per acre.
Conversion table
| Pound per Square Kilometer (lb/km2) | Metric ton per Acre (t/ac) |
|---|---|
| 1 lb/km2 | 0.0000018356 t/ac |
| 5 lb/km2 | 0.0000091781 t/ac |
| 10 lb/km2 | 0.0000183562 t/ac |
| 50 lb/km2 | 0.0000917812 t/ac |
| 100 lb/km2 | 0.0001835623 t/ac |
| 500 lb/km2 | 0.0009178116 t/ac |
Reverse conversion: Metric ton per Acre to Pound per Square Kilometer
0.0000018356 t/ac × 544774.114 = 0.9999873636 lb/km2
0.0000018356 metric tons per acre = 0.9999873636 pounds per square kilometer.
pounds per square kilometer = metric tons per acre × 544774.113963
For a page dedicated to this direction, see Metric ton per Acre to Pound per Square Kilometer.
Understanding the Pound per Square Kilometer (lb/km2)
Mass application rate.
Understanding the Metric ton per Acre (t/ac)
Mass application rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many metric tons per acre are in 1 pound per square kilometer?
1 pound per square kilometer equals 0.0000018356 metric tons per acre, using the exact defined conversion factor rather than an estimate.
How do I convert pound per square kilometer to metric ton per acre?
Multiply the pound per square kilometer value by 0.000001835623196. The converter above does this instantly to whatever precision you set.
How do I convert metric ton per acre back to pound per square kilometer?
Use the reverse factor: 1 metric ton per acre equals 544,774.114 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 metric ton per acre?
Metric ton per Acre (t/ac) is a unit of agriculture.
Is the pound per square kilometer to metric ton per acre conversion exact?
Yes. Both pound per square kilometer and metric ton per acre are defined by fixed standards rather than physical artifacts, so the factor of 0.000001835623196 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.