Acres to Hectares Converter
Convert acres to hectares instantly with our free online tool. Essential for farmland deals, agricultural yields, and international land listings.
Area ConverterThe quick answer for 1 Acres — type any value below for the exact result
Acres
Hectares
acre to ha Conversion Formula
To convert acres to hectares, multiply the value by 0.404686. One acre spans 4,046.86 sq m while one hectare is 10,000 sq m, so it takes about 2.47 acres to fill a hectare.
Acres and Hectares Explained
Acres (ac)
An acre (ac) is a traditional land unit equal to 4,046.86 square meters — historically the strip one furlong long by one chain wide, or 43,560 sq ft. It is the everyday measure of farms, ranches, and rural lots across the Anglo-American world: a suburban house lot is about a quarter acre, a football field with end zones is 1.32 acres, and a full survey section is 640 acres.
Where it is used: Acres govern real-estate listings, USDA statistics, and land-title documents in the United States, and remain familiar in the UK for estates and farmland.
Origin: The acre derives from Old English æcer, meaning open field, and represented a day's plowing with a medieval ox team; it was standardized as 4,840 sq yd and later metricated as 4,046.86 sq m.
Hectares (ha)
A hectare (ha) is the metric land unit equal to 10,000 square meters — a square 100 meters on each side, or 2.471052 acres. It is the global currency of agriculture and forestry: family farms run tens of hectares, EU subsidy paperwork counts them, and a 100 ha property is a substantial commercial operation.
Where it is used: Hectares are standard for farmland, plantations, and official land statistics in Europe, Latin America, Africa, Australia, and UN/FAO reporting.
Origin: Introduced with the French metric system from the Greek hekaton (hundred), the hectare legalizes 100 ares and was confirmed by international metric conventions in the 19th century.
Acres to Hectares Conversion Table
| Acres (ac) | Hectares (ha) |
|---|---|
| 0.1 ac | 0.0404686 ha |
| 0.25 ac | 0.1011715 ha |
| 0.5 ac | 0.202343 ha |
| 1 ac | 0.404686 ha |
| 2 ac | 0.809372 ha |
| 3 ac | 1.214058 ha |
| 5 ac | 2.02343 ha |
| 7.5 ac | 3.035145 ha |
| 10 ac | 4.04686 ha |
| 15 ac | 6.07029 ha |
| 20 ac | 8.09372 ha |
| 25 ac | 10.11715 ha |
| 40 ac | 16.18744 ha |
| 50 ac | 20.2343 ha |
| 75 ac | 30.35145 ha |
| 100 ac | 40.4686 ha |
| 160 ac | 64.74976 ha |
| 200 ac | 80.9372 ha |
| 320 ac | 129.49952 ha |
| 640 ac | 258.99904 ha |
Hectares to Acres Conversion Table
| Hectares (ha) | Acres (ac) |
|---|---|
| 0.1 ha | 0.247105163 ac |
| 0.25 ha | 0.6177629075 ac |
| 0.5 ha | 1.2355258151 ac |
| 1 ha | 2.4710516302 ac |
| 2 ha | 4.9421032603 ac |
| 5 ha | 12.3552581508 ac |
| 10 ha | 24.7105163015 ac |
| 20 ha | 49.4210326031 ac |
| 25 ha | 61.7762907538 ac |
| 50 ha | 123.5525815076 ac |
| 100 ha | 247.1051630153 ac |
| 200 ha | 494.2103260306 ac |
Acres to Hectares in Everyday Objects
Common real-world examples that make Acres and Hectares easy to picture at a glance.
| Acres (ac) | Hectares (ha) | |
|---|---|---|
| An American football field | 1.32 ac | 0.53418552 ha |
| A FIFA soccer pitch | 1.58 ac | 0.63940388 ha |
| A US suburban residential lot | 0.25 ac | 0.1011715 ha |
| A survey section of farmland | 640 ac | 258.99904 ha |
| A Major League Baseball field | 4.5 ac | 1.821087 ha |
| Hyde Park in London | 350.8893314817 ac | 142 ha |
| Central Park in New York | 842.6286058821 ac | 341 ha |
When You Need Acres to Hectares Conversions
International Farmland Deals
A 250-acre Iowa tract converts to 101.17 ha for the European investment committee, whose portfolio benchmarks — price per hectare, yield per hectare — all run metric.
Commodity Yield Benchmarking
USDA county averages arrive in bushels per acre while FAO comparisons need hectares. Converting a 5-acre test plot to 2.023 ha lets both datasets describe the same ground.
Ranch and Grazing Plans
Western ranch budgets quote carrying capacity per section — 640 acres = 259 ha — so Australian consultants can apply their hectares-per-animal rules directly.
Vineyard and Orchard Planting
A 12-acre vineyard converts to 4.86 ha before ordering stock, because European nurseries sell vines by the hectare at densities like 4,000 plants per ha.
Related Area Conversions
How to Use
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1
Enter Your Land in Acres
Type the acreage from the deed or listing — for example, 40 acres, the classic quarter-quarter section of US farmland
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2
See the Hectare Equivalent
The result appears instantly: 40 acres = 16.19 ha, the figure international buyers and agronomists expect
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3
Copy or Reverse
Copy the result into your offer sheet, or click Swap to translate a hectare quote back into acres
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4
Check the Table
Browse the table for benchmarks like 5 acres = 2.023 ha and 100 acres = 40.47 ha while comparing parcels
Why Use Be Converter?
Instant Conversion
Get precise acre to hectare results in real time as you type — ideal for fast-moving land auctions and tender deadlines
Precision Guaranteed
Uses the exact factor of 0.404686 ha per acre, based on the acre's 4,046.86 sq m definition in this tool's data
Handy Reference Table
Common parcel sizes at a glance — from 1 ac (0.404686 ha) to a full 640 ac section (259 ha) — no spreadsheet needed
Swap with One Click
Toggle back to hectares to acres instantly when the broker's flyer and the government registry use different systems
Free & Unlimited
No registration required. Convert every parcel in the county, as often as your diligence requires — always free
Completely Private
All calculations run locally in your browser. Your land-negotiation numbers never leave your device
Frequently Asked Questions
How many hectares are in 1 acre?
How do I convert 10 acres to hectares?
What is 100 acres in hectares?
Why does the US use acres while Europe uses hectares?
Is an acre bigger than a hectare?
How many hectares is a 160-acre quarter section?
How many hectares is 5 acres?
How do I convert a price per acre to price per hectare?
About Acres to Hectares Converter
Our free online acres to hectares converter handles land measurement for farms, ranches, vineyards, and timberland. The acre remains the working unit of US, UK, and former-Empire land markets, while the hectare governs agriculture in Europe, Latin America, Oceania, and international statistics from the FAO. Whether you are evaluating a Midwest quarter section, a Scottish croft, or an Australian station, this tool applies the exact factor of 0.404686 hectares per acre every time.
Expert Tips for acre to ha Conversion
Anchor on the section: 640 acres = 259 ha exactly with this factor. Halving repeatedly gives 320 ac = 129.5 ha and 160 ac = 64.75 ha — the parcels surveyors quote.
USDA reports yields in bushels per acre while FAO tables use tonnes per hectare; convert your acreage first (multiply by 0.404686), then scale the yield to match.
Stocking rates travel the same way: one cow per 2 acres equals one per 0.81 ha (2 × 0.404686), a useful equivalence when reading Australian pasture guides.
For vineyard planning, convert before ordering vines: a 5-acre site is 2.023 ha, and European nurseries quote plants per hectare.
Mental shortcut: divide acres by 2.5 for a rough hectare figure — 100 ac gives 40 ha against the exact 40.47, close enough for field estimation.