Square Feet to Hectare Converter
Area · unit-converter
Convert Square Feet to Hectare with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations use square-meter-based definitions (international feet / yard standards, acre, hectare, and regional units like pyeong/tsubo).
Calculator
From: Square Feet (ft2)
To: Hectare (ha)
About Square Feet
Square feet (ft²) measure area; one ft² is a square with sides of 0.3048 m (international feet-based definitions). Real estate, interior design, and HVAC often use square feet.
About Hectare
The hectare is 10,000 square meters (100 m × 100 m). It is widely used for farmland, forests, and land registration outside the US.
How to convert square feet to hectares
1 square feet is equal to 0.000009290304 hectare:
1 ft2 = (0.09290304 m² ÷ 10000 m²) ha = 0.000009290304 ha
Each square feet is defined as 0.09290304 m² and each hectare as 10000 m², so one ft2 equals 0.09290304 ÷ 10000 ha = 0.000009290304 ha.
Let a(ft2) be the numeric value of the same area measured in Square Feet (ft2), and a(ha) the value in Hectare (ha). Then:
a(ha) = a(ft2) × (0.09290304 / 10000)
Equivalently, divide by how many ft2 fit into one ha (m² per ha divided by m² per ft2):
a(ha) = a(ft2) ÷ 107639.10416709721903
Or: hectare = square feet ÷ 107639.10416709721903
Examples
Example #1: Convert 20 ft2 to hectare
20 ft2 = 20 ft2 × (0.09290304/10000) ha = 0.0001858061 ha
20 ft2 = 20 ft2 ÷ 107639.10416709721903 = 0.0001858061 ha
Example #2: Convert 50 ft2 to hectare
50 ft2 = 50 ft2 × (0.09290304/10000) ha = 0.0004645152 ha
50 ft2 = 50 ft2 ÷ 107639.10416709721903 = 0.0004645152 ha
Summary
To convert Square Feet to Hectare, multiply the value in ft2 by the ratio of square meters per ft2 divided by square meters per ha. Equivalently: value_ha = value_ft2 × (0.09290304 / 10000). Numerically, 1 ft2 equals 0.000009290304 ha.
Relationship context
You are converting between US customary / imperial (Square Feet) and metric (SI) (Hectares). Metric area is decimal from the square meter; US/imperial units use feet, yards, miles, and acres tied to international feet (0.3048 m) and related definitions. The numeric factor used here is 9.290304e-6.
Conversion tables
| Square Feet (ft2) | Hectare (ha) |
|---|---|
| 0.1 | 0.000000929 |
| 1 | 0.0000092903 |
| 2 | 0.0000185806 |
| 3 | 0.0000278709 |
| 4 | 0.0000371612 |
| 5 | 0.0000464515 |
| 6 | 0.0000557418 |
| 7 | 0.0000650321 |
| 8 | 0.0000743224 |
| 9 | 0.0000836127 |
| Square Feet (ft2) | Hectare (ha) |
|---|---|
| 10 | 0.000092903 |
| 20 | 0.0001858061 |
| 30 | 0.0002787091 |
| 40 | 0.0003716122 |
| 50 | 0.0004645152 |
| 60 | 0.0005574182 |
| 70 | 0.0006503213 |
| 80 | 0.0007432243 |
| 90 | 0.0008361274 |
| 100 | 0.0009290304 |