THE NUMBERS, EXPLAINED
How to use this calculator.
Net operating income excludes debt service and income taxes. Use an annual income figure.
Start with your inputs
Enter annual net operating income (£), property value (£). Keep amounts in the units shown on each field. The example is a starting point, not a recommended value.
| Input | Example value |
|---|---|
| Annual net operating income (£) | 10000 |
| Property value (£) | 200000 |
A worked example
With the example inputs above, capitalisation rate (%) is 5. Change the inputs to explore your own scenario.
Putting the example numbers into the formula
Capitalisation rate (%)
(10000) ÷ (200000) × 100 = 5
| Result | Example answer |
|---|---|
| Capitalisation rate (%) | 5 |
How this is calculated
Capitalisation rate (%)
a ÷ b × 100
Symbols and units
- a
- Annual net operating income (£)
- b
- Property value (£)
Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.
Assumptions and limits
Net operating income excludes debt service and income taxes. Use an annual income figure.
Calculations use the values you enter. Blank or invalid inputs show an error instead of silently substituting zero. Results are displayed to useful precision; calculations retain the underlying numeric precision.
Questions about this tool
What does the result tell me?
Capitalisation rate (%). The result applies to the method and inputs described above. Check the units and assumptions before using it in a decision.
Why might another calculator differ?
Differences in units, rounding, timing or model definitions can produce different answers. Compare the input definitions and the method, rather than only the final number. For this tool: Net operating income excludes debt service and income taxes. Use an annual income figure.
Are my inputs stored or sent to AI?
Calculations on this page happen in your browser. The separate AI question finder sends its submitted conversation to OpenAI; these calculator fields are not sent. Favourites and recent tool names are stored locally. A shared link contains the inputs you choose to include.
Review status
Software example and browser checks are recorded in our quality report. No external expert review is claimed. Created with coding assistance; calculations run as ordinary browser code.
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