How to use it
- Enter an area and choose the source and destination units.
- Select a regional definition if bigha or katha is involved.
- Review the factor and regional warning alongside the converted value.
Everyday Utilities · Local-first · Beta
Area Converter
Convert common area units and show an explicit regional definition when bigha or katha is used.
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Trust record
Check the method before you rely on the result
- Method
- Convert through square metres using declared standard factors and selected reference factors for regional land units.
- Converted area = input area × source-unit square metres ÷ destination-unit square metres
- Effective period
- Formula-based; no statutory effective period
- Last verified
- 10 August 2026
- Review every 365 days
- Reviewer status
- Product and domain review: specialist approval not required
- Privacy
- Inputs and results stay in this browser. Values are not sent to analytics, a backend, a URL or a log, and are not saved by default.
Important limitations
- Bigha and katha vary by locality and records; the selected reference is not a legal land measurement.
- Conversion does not validate a title, survey or property document.
Browse Everyday Utilities · Methodology · Sources
A quick guide
Use the number with context
The answer is only useful when you know what it includes and what it leaves out.
Formula
Converted area = input area × source-unit square metres ÷ destination-unit square metres
The factor is reversible, but region-defined units should be checked against the relevant local record.
Make it concrete
Worked example
1 square metre converts to 10.7639 square feet using the standard international conversion factor.
Boundaries
What this tool does not assume
Limitations
- Bigha and katha vary by locality and records; the selected reference is not a legal land measurement.
- Conversion does not validate a title, survey or property document.
Edge cases
- Negative areas are rejected.
- A regional selection is required whenever bigha or katha is the source or destination.
Last reviewed 10 August 2026 · Formula version 1.0
Method & sources
How this result is grounded
The formula is deterministic and runs in your browser. Read the reference below for the method used by this tool.
- Everyday Utilities methodology v1
KarobarKit controlled methodology · authoritative reference · Checked 10 August 2026
Supports: everyday utility formulas · rounding and scope limitations · privacy boundary
Questions
Frequently asked
Why do bigha conversions differ online?
Bigha and related units vary by state and locality. This tool requires a named reference and shows a warning instead of pretending there is one universal value.
Keep going
Related tools
A related local-first tool for the next step.
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Source register checked 10 August 2026.