How to use this tool
Enter an area and choose the source and destination square units, acres or hectares.
Use area units for both sides. To calculate an area from dimensions, measure the shape separately first.
Converted = input × source factor / target factor
Worked example
10.7639104167 ft2 · converted value
Fixed example using the settings below. Monetary examples use USD; dates and times use their stated reference values. This example stays unchanged when you edit your calculation.
Example inputs
- Value: 1
- From: m2
- To: ft2
Method illustration: 1 acre = 4,046.8564224 m².
Assumptions and limits
- Uses the fixed definitions shown in the unit names. No currency or physical-density conversion is involved.
Method reference: NIST SI conversion guide
Check or report a result
Check the units, selected calculation and assumptions first. Compare the fixed example above with your inputs to identify what changed.
Report a calculation issue with the page address, hypothetical inputs, result displayed and result expected. Do not include passwords, bank details or other private information.