Hectares to Acres

Hectares to acres conversion table

Every row is computed with the exact factor the converter above uses: 1 ha = 2.471054 ac (ac = ha × 2.471054). Looked-up values are rounded to 2 decimals; type any amount into the tool for other hectares values.

Hectares versus acres

Here’s the gist: a hectare is roughly two and a half acres. Precisely, one hectare is 2.47105 acres. A hectare is a clean metric unit (10,000 square meters, a 100 m by 100 m square), while the acre is the old imperial land measure, and the two don’t line up neatly. That awkward 2.47 ratio is why land deals straddling both systems need a converter rather than a guess.

Type hectares into the field and the acres appear as you type. The math runs in your browser, so nothing uploads and there’s no server doing the calculation.

Farmland is where this lives

Agriculture runs on both units depending on the country. A farm advertised as 40 hectares is 98.84 acres, basically a hundred-acre operation. A smallholding of 5 hectares is 12.36 acres. Crop yields, subsidy paperwork, and equipment coverage rates often get quoted per hectare in metric regions and per acre elsewhere, so farmers comparing land or yields convert constantly.

The scale jump matters for planning. Seed rates, fertilizer, irrigation: a supplier quoting “per acre” for a field you measure in hectares means every figure needs converting before the numbers make sense. Get it wrong and you’re ordering for the wrong area entirely.

Parks and public land

Big green spaces are usually published in hectares or acres depending on where you are, and converting lets you compare them. New York’s Central Park is about 341 hectares, which is 843 acres. London’s Hyde Park sits around 142 hectares, or 351 acres. When one park’s size is in hectares and another’s is in acres, this turns them into the same currency so you can see which is actually larger.

The conversion table above carries the full range. Two anchors worth holding: 10 hectares is 24.71 acres, and 100 hectares is 247.11 acres. Since a square kilometer is exactly 100 hectares, that second figure is also the acreage of one square km.

Using the converter

Enter hectares in the input and the acres update live, no submit button. The dropdown flips the direction or moves to other area units, so a round trip stays on this page. The conversion table above covers the land sizes and round numbers people convert most.

Output rounds to a practical precision. The exact relationship runs through square meters (1 ha is 10,000 m2, 1 acre is 4,046.8564224 m2), so for precision work you can carry more decimals than the display shows.

FAQ

How many acres in a hectare?

2.47105 acres, roughly two and a half. So a hectare is always a good bit larger than a single acre.

What is 10 hectares in acres?

24.7105 acres. A useful anchor: ten hectares is just under 25 acres, so you can scale most farmland figures from there.

Why is the ratio such an odd number?

Because a hectare is metric (a 100 m square) and an acre comes from imperial measure, the two were never designed to match. The 2.47105 figure is just where those independent definitions land.

How do I convert a farm’s size from hectares?

Multiply hectares by 2.47105. A 20-hectare farm is 49.42 acres. Then any per-acre rate for seed or fertilizer applies cleanly to that figure.

What is 50 hectares in acres?

50 hectares is 123.55 acres. A mid-sized family farm sits right around here, so if the deed reads 50 ha and your equipment coverage is rated per acre, you’re planning for about 124 acres.

How many acres is 100 hectares?

100 hectares equals 247.11 acres. That’s also the size of one square kilometer, since a square km is exactly 100 hectares, which makes it a handy anchor for scaling regional land figures.

Does it run on a server?

Nope. It’s plain browser JavaScript. The page works offline once it loads, and your numbers never leave the device.