How do I convert cm² to ha?

Use the formula shown above or enter a value to see cm² converted to ha instantly.

What is the formula for cm² to ha?

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

When should I use cm² vs ha?

cm² and ha 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 cm² to ha

Use the live converter below to translate between Square Centimeter (cm²) and Hectare (ha). 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

cm² → ha

Square Centimeter

cm²

Hectare

1.00000×10^-8

Rounded result (4 decimals max)

Formula

1 cm² = 1.00000×10^-8 ha

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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cm² to ha quick table

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

Square Centimeter (cm²)	Hectare (ha)
0.25 cm²	2.5×10^-9 ha
0.5 cm²	5.00000×10^-9 ha
1 cm²	1.00000×10^-8 ha
2 cm²	2.00000×10^-8 ha
5 cm²	5.00000×10^-8 ha
10 cm²	0 ha
25 cm²	0 ha
100 cm²	0 ha

ha back to cm²

Keep the reciprocal handy when double-checking calculations or undoing a conversion.

Hectare (ha)	Square Centimeter (cm²)
0.25 ha	25,000,000 cm²
0.5 ha	50,000,000 cm²
1 ha	100,000,000 cm²
2 ha	200,000,000 cm²
5 ha	500,000,000 cm²
10 ha	1.00000×10^9 cm²
25 ha	2.5×10^9 cm²
100 ha	1.00000×10^10 cm²