Hectare → Acres — metric to imperial at a glance
Core idea
Convert hectares to acres with the standard factor 1 ha = 2.471 acres (precise ≈ 2.47105381).
How it works
Formula: Acres = Hectares × 2.471.
- Enter hectares
- Multiply by 2.471
- Display rounds; internal computation keeps precision
Sanity checks
- 0.5 ha → 1.236 acres
- 1 ha → 2.471 acres
- 10 ha → 24.710 acres
Shortcuts
- Quick head math: 1 ha ≈ 2.5 acres
- Back‑convert: Hectares ≈ Acres ÷ 2.471
Pitfalls
- Using 2.5 for final numbers—fine for estimates, not for documents
- Rounding early—round only for display
Micro‑examples
- 2 ha → 4.942 acres
- 5 ha → 12.355 acres
- 100 ha → 247.105 acres
Mini‑FAQ
- Exact factors? 1 ha = 10,000 m² and ≈ 107,639 sq ft
- Why acres? Widely used in US/UK markets
- Precision? Use ≥3 decimals for contracts
Action tip
For quick estimates, multiply ha by 2.5, then refine with 2.471 when recording.