Square Feet to Hectares
Type a value in either box to convert between square feet and hectares. The factor is 9.2903e-06.
| Square Feet | Hectares |
|---|---|
| 1 ft² | 9.2903e-06 ha |
| 2 ft² | 1.85806e-05 ha |
| 3 ft² | 2.78709e-05 ha |
| 5 ft² | 4.64515e-05 ha |
| 10 ft² | 9.2903e-05 ha |
| 25 ft² | 0.000232 ha |
| 50 ft² | 0.000465 ha |
| 100 ft² | 0.000929 ha |
How to use
- Enter a value in the Square Feet field.
- The Hectares figure appears immediately — no button to press.
- Typing in the Hectares field converts back to Square Feet the same way.
- Use the reference table for the values that come up most often.
Square Feet to Hectares formula
To convert square feet to hectares, multiply by 9.290304e-06.
ha = ft² × 9.290304e-06
Why this factor: the square foot and the hectare are both defined against the square meter, so dividing one definition by the other gives 9.290304e-06 directly. Both definitions are set out in full below.
To go the other way, divide by 9.290304e-06 — or use the Hectares to Square Feet converter, which is the same calculation reversed.
Worked example
Take 250 ft² and multiply by the factor 9.290304e-06: the result is 0.002323 ha.
250 ft² × 9.290304e-06 = 0.002323 ha
The converter above does this for any value you type, in either direction.
What is a square foot?
A square foot is the primary unit of floor area in the United States.
Definition: Exactly 0.09290304 square meter, following from the exact 0.3048 m foot.
Where it is used: US and Indian property listings, commercial leases, and paint and flooring coverage.
What is a hectare?
A hectare is the standard metric unit of land area — a 100-meter square.
Definition: Exactly 10,000 square meters, which is one square hectometer.
Where it is used: Agricultural and forestry land, development sites, and land-use statistics worldwide.
Worth knowing: Roughly two and a half acres, and almost exactly the area of an international rugby pitch.
Square Feet vs Hectares
The square foot is an imperial unit while the hectare is a metric unit. That is why the factor between them is not a round number: the two systems were defined independently and only later tied together by exact agreement.
Frequently asked questions
How many hectares are in a square foot?
One square foot equals 9.290304e-06 hectares.
What is the formula to convert square feet to hectares?
Multiply the number of square feet by 9.290304e-06. To reverse it, divide by 9.290304e-06 instead.
How do I convert hectares back to square feet?
Divide by 9.290304e-06, which is the same as multiplying by 107639.104.
How many hectares are in 10 square feet?
10 ft² works out to 9.2903e-05 ha.
Is there anything to watch out for with hectares?
Roughly two and a half acres, and almost exactly the area of an international rugby pitch.
How is the square foot defined?
Exactly 0.09290304 square meter, following from the exact 0.3048 m foot.