How many hectares is one square kilometer?

One square kilometer equals exactly 100 hectares.

A hectare (ha) is 10,000 square meters — equivalent to a 100 m × 100 m square. It is the standard unit for measuring land area in most countries.

Area Converter | Kalkuluju

How to Use the Area Converter

Enter your area value in the Value field and choose the unit you are converting from. The converter instantly calculates the equivalent in all supported units. The selected unit is highlighted in blue for easy reference.

Area Units Explained

Area measures two-dimensional space. The SI unit is the square meter (m²).

Metric units

Square millimeter (mm²) — used for very small areas, e.g., cross-sections of wires.
Square centimeter (cm²) — common for small surfaces like labels or stamps.
Square decimeter (dm²) — 0.01 m²; used in some European countries.
Square meter (m²) — SI unit. Rooms, apartments, and land plots are typically measured in m².
Are (a) — 100 m². An older agricultural unit.
Hectare (ha) — 10,000 m². Standard land measurement worldwide.
Square kilometer (km²) — 1,000,000 m². Used for countries, cities, and large areas.

Imperial units

Square inch (in²) — 6.4516 cm². Screen sizes and small components.
Square foot (ft²) — 0.0929 m². Common for floors in the US and UK.
Square yard (yd²) — 0.8361 m². Carpets and fabric.
Acre (ac) — 4,047 m² = 43,560 ft². Standard US land unit.
Square mile (mi²) — 2.59 km². City and regional areas.

Key Conversion Facts

1 ha = 10,000 m² | 1 km² = 100 ha | 1 acre = 4,046.86 m² | 1 ft² = 0.0929 m²

Worked Examples

Apartment size: 75 m² to square feet

75 m² ÷ 0.09290304 = 807.3 ft². A typical two-bedroom apartment.

Agricultural field: 5 acres to hectares

5 × 4046.8564 = 20,234 m² = 2.023 ha.

Country size: France — 551,695 km² to miles²

551,695 ÷ 2.58999 = 213,011 square miles.

Screen size: 15.6-inch laptop diagonal to area

A 15.6" (1366×768 pixels) display has a physical area of about 187 in² ≈ 1,207 cm².

Frequently Asked Questions

How many square feet are in an acre?

One acre = 43,560 square feet = 4,046.86 m² ≈ 0.405 hectares.

How many hectares in a square kilometer?

Exactly 100 hectares. 1 km² = 1,000,000 m² = 100 × 10,000 m² = 100 ha.

How do I convert m² to ft²?

Multiply square meters by 10.7639. For example, 50 m² × 10.7639 = 538.2 ft².

What is a hectare in everyday terms?

A hectare is a 100 m × 100 m square — roughly the size of a standard international soccer pitch (which is 68–105 m × 45–90 m).

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