Convert Square Kilometer to Square Yard
Convert square kilometers to square yards instantly. 1 square kilometer = 1195990.0463010804 square yard — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Square Yard to Square Kilometer converter for the reverse conversion.
Units explained
Square Kilometer
A square kilometer is a metric unit of area equal to 1,000,000 m² (one million square meters), or 100 hectares. It is used for measuring large land areas, regional geography, and country-scale statistics.
Derived by squaring the kilometer (1000 m). The kilo- prefix comes from the Greek 'chilioi' (thousand).
Square kilometers express the area of cities, districts, lakes, forests, and entire countries. India's total area is approximately 3,287,263 km². 1 km² equals 100 hectares or about 247.105 acres.
Kilometer has been part of the metric system since 1795.
Square Yard
A square yard is an imperial unit of area equal to exactly 0.83612736 m². It is used for carpet, fabric, paving, and some landscaping measurements.
Derived by squaring the yard (3 feet). The yard was standardized to exactly 0.9144 m via the 1959 International Yard and Pound Agreement.
Square yards are used in carpeting (US and UK), fabric retail, paving (UK, US, India), and landscape gardening. In India, square yards are sometimes used in legal property documents.
Yard dates to medieval English usage; modern exact value standardized in 1959.
Square Kilometer to Square Yard conversion formula
The relationship between square kilometers and square yards:
To convert square kilometers to square yards, multiply the value in square kilometers by 1195990.0463010804. To reverse, multiply square yards by 8.361274e-7.
How to use this converter
Type a value into the calculator. The result in square yards updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Square Yard to Square Kilometer converter for the reverse direction.
Step-by-step: convert square kilometers to square yards
- Write down the value in square kilometers (km²).
- Multiply that value by the factor 1195990.0463010804.
- The product is the equivalent value in square yards (yd²).
- To reverse, multiply the square yard value by 8.361274e-7.
Worked examples
Example 1 — Convert 1 km² to yd²:
1 × 1195990.0463010804 = 1195990.0463010804 yd²
Example 2 — Convert 100 km² to yd²:
100 × 1195990.0463010804 = 1.19599e+8 yd²
Square Kilometer to Square Yard conversion table
Standard reference values for converting square kilometers to square yards:
| Square Kilometer [km²] | Square Yard [yd²] |
|---|---|
| 0.01 | 11959.9004630108 |
| 0.1 | 119599.004630108 |
| 1 | 1195990.0463010804 |
| 2 | 2391980.0926021608 |
| 3 | 3587970.1389032411 |
| 4 | 4783960.1852043215 |
| 5 | 5979950.2315054014 |
| 10 | 1.19599e+7 |
| 20 | 2.39198e+7 |
| 30 | 3.58797e+7 |
| 40 | 4.78396e+7 |
| 50 | 5.97995e+7 |
| 100 | 1.19599e+8 |
| 500 | 5.97995e+8 |
| 1000 | 1.19599e+9 |
Frequently asked questions
How many square yards is 1 square kilometer?
How do I convert square kilometers to square yards?
How do I convert square yards back to square kilometers?
How many square yards is 100 square kilometers?
Popular area unit conversions
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Metric / SI (15 units)
Imperial / US Customary (15 units)
US Survey (5 units)
Indian Subcontinent (16 units)
Other Regional (10 units)
Scientific / Physics (5 units)
Sources & references
Conversion factor (1 km² = 1195990.0463010804 yd²) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.