Bulk convert a list
Paste many values — one per line, or separated by commas or spaces. A column copied from Excel works too. They are converted with the units chosen above.
How to convert acres to hectares
One acre is exactly 4,046.8564224 square meters, and one hectare is 10,000 m². So one acre is about 0.4047 hectares. To turn acres into hectares, multiply by 0.4047 (or by 0.4 for a quick answer).
Formula: ha = acres × 0.404686
Example: 10 acres × 0.404686 = 4.05 ha
Features
- Instant answer — type acres in the From box and see the hectares as you type
- Formula line — under the boxes, see what 1 unit is in the other unit, both ways
- Swap (⇄) — turn hectares back into acres in one click, with no rounding error
- Every unit in the list — square meters, square feet, square yards, acres, hectares, square km and square cm; or pick another Category, like length, weight or temperature
- Bulk convert a list — paste many acres, one per line or a column from Excel; each line keeps its place, and a line like "Box A 12.5" converts its number
- Three ways to show the list — Results only, Value and result or CSV (for Excel), with 0 to 6 Decimal places
- Copy results or Download CSV — paste the answers back into your sheet in one go
- Private — it all runs in your browser; nothing is uploaded
Acres to hectares table
| Acres | Hectares (ha) |
|---|---|
| 0.25 | 0.1 |
| 0.5 | 0.2 |
| 1 | 0.4 |
| 2 | 0.81 |
| 3 | 1.21 |
| 5 | 2.02 |
| 10 | 4.05 |
| 15 | 6.07 |
| 20 | 8.09 |
| 25 | 10.12 |
| 40 | 16.19 |
| 50 | 20.23 |
| 80 | 32.37 |
| 100 | 40.47 |
| 160 | 64.75 |
| 200 | 80.94 |
| 500 | 202.34 |
| 640 | 259 |
| 1,000 | 404.69 |
Values are rounded to 2 decimal places.
Bulk convert a list of acres to hectares
Got a list of fields or plots? Paste them under Bulk convert a list and every line is converted at once — a bulk acres to hectares converter on the same page.
- Paste values one per line, separated by commas or spaces, or a column copied from Excel or Google Sheets
- Lines keep their order; a line with text, like "North field 35", converts its number
- Show results only to paste back into your sheet, value and result, or CSV
- Pick the decimal places, then copy the results or download a CSV file
Acres in daily life
- One acre is 43,560 square feet, or 4,046.86 m²
- A house lot: half an acre = 21,780 sq ft = 0.2 ha
- A small farm: 40 acres = 16.19 ha
- A square mile is 640 acres = 259 ha
How to use it
- Type a number in the From box — the answer appears straight away
- Click Swap (⇄) to convert the other way, from hectares to acres
- Change the units or the category to convert anything else — square feet, square meters, square kilometers and more
- Many values at once? Paste them under Bulk convert a list — one per line, or a column from Excel — and copy the results or download a CSV
Frequently asked questions
How many hectares is 1 acre?
1 acre is 0.4047 hectares, or 4,046.86 square meters.
Which is bigger, an acre or a hectare?
A hectare is bigger. One hectare is about 2.47 acres.
How do I convert acres to hectares in my head?
Multiply by 4 and divide by 10: 10 acres → 4 ha (exact: 4.05).
Can I convert many acres at once?
Yes. Paste them under Bulk convert a list — one per line, or a column from Excel — and all of them are converted together. Copy the results or download them as a CSV file.
Is my data sent anywhere?
No. The conversion runs in your browser, on your own device.
Related tools
- Hectares to Acres — the other way
- Square Feet to Square Meters — for homes and rooms
- Square Meters to Square Feet — for homes and rooms
- Square Footage Calculator — area from length and width
- Unit Converter — every unit in one place
