How do I convert ha to in²?

Use the formula shown above or enter a value to see ha converted to in² instantly.

What is the formula for ha to in²?

The converter calculates in² by applying the category-specific conversion factor for Area.

When should I use ha vs in²?

ha and in² are both part of the Area category; pick the unit that matches your measurement context (e.g., scale, region, or industry standard).

Area Converter & Surface Reference

Convert ha to in²

Use the live converter below to translate between Hectare (ha) and Square Inch (in²). Scroll further for quick examples, formula tips, and related units.

Formula insight: Most unit conversions use a simple multiplication or division by a conversion factor. The calculator shows the exact formula used.

Convert

ha → in²

Hectare

Square Inch

15,500,031.0001

in²

Rounded result (4 decimals max)

Formula

1 ha = 15,500,031.0001 in²

Conversion sourcesTap or click to view references

The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

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ha to in² quick table

Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

Hectare (ha)	Square Inch (in²)
0.25 ha	3,875,007.75 in²
0.5 ha	7,750,015.5 in²
1 ha	15,500,031.0001 in²
2 ha	31,000,062.0001 in²
5 ha	77,500,155.0003 in²
10 ha	155,000,310.0006 in²
25 ha	387,500,775.0016 in²
100 ha	1.55×10^9 in²