All‑metrics.com is your square feet to hectare converter built for speed and accuracy. Enter an area and get instant ha using the reference conversion factor 1 sq ft = 9.290304E‑6 ha. Results display with thousand separators and clear rounding, so you can paste them into a spreadsheet or a proposal. No sign‑up, no installs - it runs in any browser. Use it at the desk or onsite, from phone to desktop. Save time, avoid manual errors, and keep your documents consistent.

Why precise area conversion matters for land deals

Small coefficient deviations scale up on large parcels. A 0.000009 vs 9.290304E‑6 factor can shift tens of hundredths of a hectare across 100,000–1,000,000 square feet - enough to affect price‑per‑area, zoning, or tax. Our factor aligns with US customary and SI references, so calculations remain defensible in documentation. You get transparent numbers you can verify and share.

Why choose our converter for professional use

Reference‑grade factor 9.290304E‑6 ha/sq ft - consistent with standard tables. Fewer disputes in reports.
Bi‑directional conversion (square feet ↔ ha) - check both directions on one screen. Validate fast.
Browser‑based, free, no registration - use it from any device. No IT tickets.
Large‑number support with safe formatting - readable outputs, less retyping risk. Copy with confidence.

Try it on your next parcel. Get a quick answer.

Standard formula and how we handle rounding

The formula is simple: ha = square feet × 9.290304 × 10⁻⁶. The equivalent calculation is ha = sq ft ÷ 107,639.1041671. We compute with full precision, then round only in display (commonly 4–6 decimals) to minimize rounding error in your calculation. Example: 500,000 sq ft → 500,000 × 9.290304E‑6 = 4.645152 ha. Need the reverse? Multiply hectares by 107,639.1041671 to return to square feet. This keeps the math traceable in audits. See the table below.

Built for real estate, planning, and agriculture

Real estate listings often start in square feet, while international investors compare in ha. Planners and GIS teams document land in ha but brief stakeholders in US‑centric units. The tool bridges both workflows with a clear conversion table and copy‑ready outputs. Typical input ranges:

Residential lots: ~500–10,000 square feet.
Commercial sites: 100,000+ sq ft.
Farm and ranch tracts: 1,000,000+ sq ft.

Use one calculator across MLS exports, land records, and agronomy notes. Convert once, share everywhere. Start now.

Square Feet (ft2)	Hectares (ha)
1 ft2	0.00000929 hectares
2 ft2	0.00001858 hectares
3 ft2	0.00002787 hectares
4 ft2	0.00003716 hectares
5 ft2	0.00004645 hectares
6 ft2	0.00005574 hectares
7 ft2	0.00006503 hectares
8 ft2	0.00007432 hectares
9 ft2	0.00008361 hectares
10 ft2	0.0000929 hectares
20 ft2	0.00018581 hectares
30 ft2	0.00027871 hectares
40 ft2	0.00037161 hectares
50 ft2	0.00046452 hectares
75 ft2	0.00069677 hectares
100 ft2	0.00092903 hectares
250 ft2	0.00232258 hectares
500 ft2	0.00464515 hectares
750 ft2	0.00696773 hectares
1,000 ft2	0.0092903 hectares
2,500 ft2	0.02322576 hectares
5,000 ft2	0.04645152 hectares