Total CPF used
S$0
Tool
CPF vs Cash Mortgage Calculator
Understand the long-term opportunity cost of using CPF to pay your home loan.
Last updated: 14 March 2026
Calculator
Enter your repayment mix below to estimate CPF used, accrued interest, and refund required.
Live Results
CPF accrued interest
S$0
CPF refund required
S$0
If CPF stayed in OA
S$0
What This Means
When CPF is used for housing, the amount must usually be refunded to CPF when the property is sold.
This includes the principal used plus accrued interest at the CPF rate.
CPF vs Cash Comparison
| Payment Method | What Happens |
|---|---|
| Pay with CPF | CPF savings decrease and must be refunded with 2.5% accrued interest. |
| Pay with Cash | CPF continues compounding at 2.5% inside OA. |
Important Clarification
The CPF refund is not a penalty.
It reflects the interest your CPF savings could have earned if not used for housing.
When Using CPF Still Makes Sense
Cashflow flexibility
CPF allows lower monthly cash outflow.
Investment liquidity
Cash savings can remain available for other needs.
Higher mortgage leverage
Buyers may preserve cash for other investments.
How The Calculator Reads CPF Cost
This view compares CPF usage against CPF growth and refund obligations.
Future value note: S$0
Accrued interest note: S$0
Next Steps
FAQ
Why must CPF be refunded with interest?
CPF requires housing withdrawals to be refunded with the interest that would have been earned if the funds had remained inside CPF.
Can the CPF refund be waived?
If the property is sold below valuation, CPF rules may allow a waiver in some cases.
Should I avoid using CPF completely?
Not necessarily. CPF can still be useful for managing cashflow depending on your broader mortgage and liquidity plan.