Real Estate & Mortgage
Rental CapEx Sinking Fund
Plan monthly reserve contributions for future big-ticket rental property repairs and replacements.
Your inputs
Change any value to update the result instantly.
Recommended monthly reserve
112.5
Annual reserve amount
1,350
Roof monthly share
50
HVAC monthly share
33.3333
Appliances monthly share
29.1667
Formula and working
Monthly reserve = Σ (Component replacement cost ÷ Useful life in months)
- 1
Collect the inputs
Roof replacement cost = 12,000; Roof useful life (years) = 20 years; HVAC replacement cost = 6,000; HVAC useful life (years) = 15 years; Appliance replacement cost = 3,500; Appliance useful life (years) = 10 years
- 2
Apply the formula
Monthly reserve = Σ (Component replacement cost ÷ Useful life in months)
- 3
Result
Recommended monthly reserve = 112.5
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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