CPF Calculator Singapore 2026: Rates, Allocation and How to Maximize
Updated April 2026 · 12 min read
CPF: The Foundation of Singapore Financial System
The Central Provident Fund is uniquely Singaporean — a mandatory savings system that funds housing, healthcare, and retirement. At 37 percent total contribution (20 percent employee plus 17 percent employer) for those under 55, it is one of the highest forced savings rates in the world. Understanding how to optimize CPF is critical to building wealth in Singapore. Use our retirement calculator to project your CPF balance at 55 and 65.
The interest rates are exceptional for risk-free returns: 2.5 percent on OA, 4 percent on SA and MA, plus 1 percent extra on the first SGD 60,000. Your SA effectively earns 5 percent guaranteed — no bank deposit or government bond comes close. This is why the voluntary SA top-up is one of Singapore best financial moves.
The SGD 8,000 Tax Relief Play
Voluntary top-up to your SA or MA gives tax relief of up to SGD 8,000 per year (plus SGD 8,000 for topping up family members). At a 22 percent marginal rate, SGD 8,000 saves SGD 1,760 in taxes immediately. The money then earns 4 to 5 percent guaranteed in your SA. This is a 22 percent instant return plus 4 to 5 percent ongoing — no investment in Singapore offers this risk-return profile. Use our compound interest calculator to see how SA top-ups compound over decades.
CPF for Housing: The Opportunity Cost Most Ignore
Using CPF OA for housing is convenient but has a hidden cost: you must repay the amount plus 2.5 percent accrued interest when you sell. On SGD 200,000 used from OA over 20 years, the accrued interest is approximately SGD 63,000 — money that comes off your sale proceeds. Consider using more cash and less CPF for housing to keep your retirement savings intact. Model your options with our savings calculator and investment calculator.
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Frequently Asked Questions
What is the CPF contribution rate in 2026?
For employees under 55: 20 percent from employee plus 17 percent from employer totalling 37 percent of ordinary wages. This is split into Ordinary Account (23 percent), Special Account (6 percent), and Medisave (8 percent). Rates decrease progressively from age 55.
What interest does CPF pay?
OA: 2.5 percent per annum. SA and MA: 4.0 percent per annum. Extra 1 percent on the first SGD 60,000 of combined balances. Extra 1 percent on the first SGD 30,000 for members 55 and above. Effective rates can reach 5 to 6 percent — among the best risk-free returns globally.
How do I get CPF tax relief?
Voluntary top-up to your SA or MA gives tax relief up to SGD 8,000 per year. Top-up to family members SA gives additional SGD 8,000 relief. At 22 percent marginal rate, SGD 8,000 top-up saves SGD 1,760 in taxes while earning 4 percent guaranteed. Total potential relief: SGD 16,000.
Can I use CPF for housing?
Yes. CPF OA can be used for HDB down payment (up to 20 percent for HDB loan, 5 percent cash for bank loan), monthly mortgage payments, and stamp duty. However, you must repay CPF used plus accrued interest (2.5 percent) when you sell the property.
What is CPF LIFE?
CPF Lifelong Income For the Elderly provides monthly payouts from age 65 for life. Standard Plan gives higher initial payouts (up to SGD 2,200 per month with Full Retirement Sum). Basic Plan gives lower payouts but higher bequest. You are automatically enrolled at 65.