Property operations
Capital Reserve Adequacy Calculator
Compare current reserves and contributions with a future capital plan. Enter your own assumptions and local rates.
Calculate your result
What this calculator estimates
Compare current reserves and contributions with a future capital plan. It combines the inputs below to produce Projected reserve surplus / shortfall. Every assumption remains editable so the estimate can reflect the property, financing and location being evaluated.
Worked example
Using the displayed sample assumptions, the calculator produces -$51,835. This is an illustration, not a market quote. Change one input at a time to understand what drives the result.
Inputs and assumptions
- Current reserve balance — sample input: 150000 currency units
- Annual reserve contribution — sample input: 30000 currency units
- Reserve investment return — sample input: 3 %
- Planning period — sample input: 5 years
- Planned replacements over period — sample input: 350000 currency units
- Capital contingency — sample input: 10 %
How to interpret the result
Reconcile the result with leases, invoices and property records. Compare a conservative case with an expected case and keep a record of the assumptions used.
Common mistake to avoid
Do not mix physical occupancy with economic occupancy. Local definitions, taxes, lending practices and measurement requirements can materially change the result.
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Reviewed 2026-09-08.