Vierkante mijl naar vierkante kilometer omzetter
Zet vierkante mijl direct om naar vierkante kilometer. Gratis online eenhedenconverter.
1 mi2 = 2.589988 km2
Referentietabel
Conversieresultaten
Conversion Formula
Quick Reference Table
| Square Miles | Square Kilometers |
|---|---|
| 1 mi2 | 2.58999 km2 |
| 5 mi2 | 12.9499 km2 |
| 10 mi2 | 25.8999 km2 |
| 50 mi2 | 129.499 km2 |
| 100 mi2 | 258.999 km2 |
| 500 mi2 | 1,294.99 km2 |
| 1,000 mi2 | 2,589.99 km2 |
About These Units
Converting Square Miles to Square Kilometers comes down to a single multiplication: each Square Miles equals 2.58999 Square Kilometers. For example, 10 Square Miles works out to 25.8999 Square Kilometers. Use the live calculator above for any value, or follow the exact formula and reference table below — no rounding errors, no guesswork.
Area measures the size of a two-dimensional surface — a piece of land, a room, a wall to paint. The metric system uses square meters (m²) and hectares for land; imperial uses square feet and acres. Real estate, agriculture, construction, and landscaping all depend on accurate area conversion, especially in international markets where 'a 100 m² apartment' and 'a 1,076 ft² apartment' describe the same space.
About Square Miles
The square mile (mi²) is approximately 2.59 km² — the standard large-area unit in the US.
Derived from the mile; used in surveying since the British colonial period.
Used for US county sizes, national park areas, and wildfire reports.
About Square Kilometers
The square kilometer (km²) is 1,000,000 square meters — used for large geographic areas.
Part of the SI; equivalent to a square 1 km × 1 km.
Used for country/city sizes, forest fires coverage, glaciers, and large agricultural lands.
When Conversion Is Needed
Square Miles and Square Kilometers belong to different measurement systems, so conversion becomes necessary when comparing values across the two units, or when forwarding a document or specification written in one unit to someone who uses the other. The quick-reference table on this page shows how common values in Square Miles translate to Square Kilometers, so memorizing or bookmarking the most frequently-used values is often a worthwhile shortcut.
Real-World Use Cases
Real Estate
Apartment and house listings worldwide use different area units — Asia and Europe favor m², North America uses ft². Converting accurately is essential when comparing prices per unit area across markets.
Agriculture & Land Use
Farmland is sold in acres (US/UK) or hectares (rest of world). 1 hectare ≈ 2.47 acres ≈ 1 football field. Yield calculations (e.g., bushels per acre vs tons per hectare) require precise conversion.
Related Converters
Frequently Asked Questions
How do I convert Square Miles to Square Kilometers?
Multiply the number of Square Miles by 2.58999. For instance, 10 Square Miles × 2.58999 = 25.8999 Square Kilometers. The calculator on this page does it instantly as you type.
How many Square Kilometers are in one Square Miles?
One Square Miles equals exactly 2.58999 Square Kilometers. Going the other way, one Square Kilometers equals 0.3861 Square Miles.
Is this Square Miles-to-Square Kilometers conversion accurate?
Yes. The result uses double-precision arithmetic and internationally accepted conversion constants, rounding only for display — so it is reliable for engineering, cooking, shipping, and schoolwork alike.
Gedetailleerde gids voor Square Miles to Square Kilometers Converter
Zet vierkante mijl direct om naar vierkante kilometer. Gratis online eenhedenconverter.
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Veelgestelde vragen
Hoe nauwkeurig zijn de conversies?
We gebruiken IEEE 754-drijvendekommawiskunde met constanten van hoge precisie.
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