Acres to Hectares

This calculator converts acres to hectares for farms, land records, property listings, and site plans.

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Enter the land area in acres, including fractional acres if needed, and read the equivalent area in hectares.

Multiply acres by 0.40468564224. Formula: hectares = acres × 0.40468564224.

Worked example

A 25-acre property covers 25 × 0.40468564224 = 10.1171 hectares. Rounded to two decimal places, that is 10.12 hectares.

Common questions

How many hectares are in one acre?

One acre is about 0.404686 hectares. Put another way, an acre is a bit more than two-fifths of a hectare.

Can I use this for legal land records?

The conversion factor is accurate, but legal records may use surveyed boundaries rather than a rounded area. Keep the original measurement and consult the recorded survey when precision has legal consequences.

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