square kilometre to acre
Live square kilometre (km²) to acre (ac) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from square kilometre to acre. Use the converter above for arbitrary values.
| square kilometre (km²) | → | acre (ac) |
|---|---|---|
| 0.001 km² | → | 0.247105 ac |
| 0.01 km² | → | 2.471054 ac |
| 0.1 km² | → | 24.710538 ac |
| 0.5 km² | → | 123.552691 ac |
| 1 km² | → | 247.105381 ac |
| 2 km² | → | 494.210763 ac |
| 5 km² | → | 1,235.526907 ac |
| 10 km² | → | 2,471.053815 ac |
| 100 km² | → | 24,710.538147 ac |
| 1,000 km² | → | 247,105.381467 ac |
About the square kilometre
100 hectares or 1,000,000 m². Country/city size.
About the acre
4,047 m². US farmland and lot size.
Frequently asked questions
Frequently Asked Questions
How do I convert square kilometre to acre?
Multiply the square kilometre value by 247.105381 to get it in acre. For example, 10 km² = 2,471.0538 ac.
What is 1 km² in ac?
1 km² = 247.105381 ac.
What is 100 km² in ac?
100 km² = 24,710.5381 ac.
What is the formula?
Linear: multiply by 247.105381 (the unit factor ratio).
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