Convert square meters to acres
1 m² = 0.000247105 ac · 1 ac = 4046.86 m² · Exact by definition
1 m² = 0.000247105 ac
The same value in other units
- square centimetre
- 10000 cm²
- hectare
- 0.0001 ha
- square kilometre
- 1e-6 km²
- square foot
- 10.7639 ft²
Settings
Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.
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Paste one conversion per line, written the way you would say it: "5 km to mi". Handy for a column copied out of a spreadsheet.
Area
square meters to acres: conversion table
| square metre | acre |
|---|---|
| 1 m² | 0.000247105 ac |
| 2 m² | 0.000494211 ac |
| 3 m² | 0.000741316 ac |
| 5 m² | 0.00123553 ac |
| 10 m² | 0.00247105 ac |
| 20 m² | 0.00494211 ac |
| 25 m² | 0.00617763 ac |
| 50 m² | 0.0123553 ac |
| 100 m² | 0.0247105 ac |
| 250 m² | 0.0617763 ac |
| 500 m² | 0.123553 ac |
| 1000 m² | 0.247105 ac |
| acre | square metre |
|---|---|
| 1 ac | 4046.86 m² |
| 2 ac | 8093.71 m² |
| 3 ac | 12140.6 m² |
| 5 ac | 20234.3 m² |
| 10 ac | 40468.6 m² |
| 20 ac | 80937.1 m² |
| 25 ac | 101171 m² |
| 50 ac | 202343 m² |
| 100 ac | 404686 m² |
| 250 ac | 1011710 m² |
| 500 ac | 2023430 m² |
| 1000 ac | 4046860 m² |
How the conversion works
ac = m² × 0.00024710538
Both units are defined exactly, so the precision of the square meters to acres result depends only on the number of decimal places you choose.
METHOD AND SOURCES
Where the conversion factors come from
Results are calculated from the unit definitions stored in the converter, not copied from a lookup table. For exact units, every value in the table follows from the same factor shown in the formula above.
- BIPM — SI Brochure
The official definitions of the International System of Units (SI).
- NIST SP 811 — Conversion factors
Conversion-factor tables for SI and non-SI units.
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