acre to ha Converter

How acre to ha works

Convert acres to hectares instantly. 1 acre = 0.4046856 ha, with a live result and a quick reference table. Everything happens inside this page: the tool reads your input, runs the calculation or conversion locally, and hands the result back to you. Nothing is transmitted, because there is no backend to transmit it to.

That design choice is deliberate. Most free tool sites upload your files to a server, process them there, and quietly keep a copy. Toolcin cannot do that — the site is a set of static files. If your connection dropped the moment the page finished loading, every tool would still work.

Two land measures

One acre is 4,046.8564224 square metres, which is 0.4046856422 hectares. One hectare is 10,000 m² — a square 100 metres on a side.

The acre predates the metric system and was originally the area a team of oxen could plough in a day. That origin explains the odd number: it is 4,840 square yards, not a round metric figure.

Land sizes in both units

These are the figures that come up in agricultural listings and property documents.

Units that are not acres

In South Asia, land is often quoted in marla, kanal, bigha or guntha, none of which are standardised across regions. A marla in Punjab is not the same area as a marla in Sindh, so a conversion factor found online may be wrong for the document you are holding.

Convert to square feet or square metres first using the local definition, then to acres or hectares. Skipping that step is how plot sizes end up disputed.

Good to know

• Works offline once loaded, including on flights and in locked-down networks.
• No file size limit beyond your device's own memory.
• Free to use, with no account and no usage counter.
• Results are produced locally, so they are not logged or shared with anyone.

Questions