How do I convert Square foot (ft²) to Hectare (ha)?

1 ft2 equals 9E-06 ha using SI-based conversion and precise factors.

What is the formula to convert Square foot (ft²) to Hectare (ha)?

This is a linear unit conversion using a constant factor between units.

Yes, it uses exact definitions or standardized constants (e.g., 1 in = 25.4 mm).

Use the shareable URL pattern: /convert/ft2-to-ha/1

Category: Area

Value From To Precision

9E-06 ha

1 ft2 = 9E-06 ha

High-precision rounding: 6 decimals

We convert by pivoting through the SI base unit for Area and applying exact factors where applicable.

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Area is length squared; used from land surveying to floor plans.

Square foot (ft²)

Area of a square 1 ft × 1 ft.

History: Common in real estate; tied to the 1959 foot.

Hectare (ha)

10,000 m² (100 m × 100 m).

History: Adopted with the metric system.