Singapore Compound Interest Calculator
This calculator estimates compound interest growth on SGD savings, fixed deposits, CPF accounts, and SRS investments. Calculations apply user-defined rate, term, and contribution inputs, with reference rates published by the MAS, IRAS, and CPF Board.
Enter Investment Details
Input the initial amount in SGD, regular contribution, annual rate, and investment period
Select Compounding Frequency
Choose how often interest compounds — Weekly, monthly, quarterly, or annually.
Review the Projection
Each tab shows the breakdown — Summary, Composition, Compare scenarios, and Milestones.
Singapore Compound Interest Calculator
Project investment growth — figures shown in SGD
Summary
Investment Summary
An initial investment of S$10,000 with S$500 contributed monthly at 6.0% annual interest (compounded monthly) grows to S$91,940 over 10 years.
Total contributions add up to S$70,000, with S$21,940 earned in interest — including S$2,180 of compound growth (interest earned on previously earned interest).
Growth Projection
Yearly Breakdown
Year-by-year contributions, interest and balance. Figures reflect the view setting (Future S$ or Today's S$).
| Year | Contributions | Interest | Total Invested | Balance |
|---|
Scenario Comparison
How different choices affect the final balance, all using your selected period and rate.
Compounding Frequency Comparison
Same principal, contribution, rate and period — only the compounding frequency changes.
| Frequency | Final Value | Difference vs Annual |
|---|
Investment Milestones
Estimated time to reach common Singapore savings and investment milestones, based on the inputs above.
When you'll reach common targets
| Target | Years | Estimated Year |
|---|
Singapore Investment Options
Common investment types available to Singapore savers and investors, with typical historical returns and risk levels. Tap any option for detailed considerations.
High-Interest Savings Accounts
Very Low RiskSDIC-insured savings accounts from DBS, OCBC, UOB and digital banks. Bonus rates often require salary credit, card spend or investments. Protected up to S$100,000 per Scheme member (effective 1 April 2024).
Advantages
- SDIC insured up to S$100K
- Instant access to funds
- No market risk
- Interest tax-free for individuals
Considerations
- Complex bonus conditions
- Rates can change without notice
- Balance caps on bonus tiers
- Below MAS Core Inflation possible
Fixed Deposits
Very Low RiskFixed-rate SGD deposits locked for set tenures (1, 3, 6, 12 or 24 months). SDIC insured up to S$100,000 per Scheme member. Promotional tenures sometimes offer above-board rates for fresh funds.
Advantages
- Locked-in rate for term
- SDIC insured up to S$100K
- Predictable returns
- Interest tax-free for individuals
Considerations
- Funds locked for tenure
- Early withdrawal forfeits interest
- Miss future rate increases
- Minimum deposit requirements
Singapore Savings Bonds (SSB)
Low–Medium RiskSingapore Government-backed bonds with step-up interest rates over 10 years. No early redemption penalty. S$200,000 individual cap. Issued monthly by MAS via the Singapore Savings Bonds programme.
Advantages
- Singapore Government backed
- No early redemption penalty
- Step-up interest each year
- Interest tax-free for individuals
Considerations
- S$200K cap per holder
- Monthly application required
- Lower returns vs equities
- Step-up takes 10 years to peak
CPF Special Account (SA)
Low–Medium RiskCPF Special Account for retirement savings (members below 55). Floor rate 4.0% p.a. extended until 31 December 2026. Cash top-ups give tax relief up to S$8,000/year. Note: SA closed for members aged 55+ since 19 January 2025.
Advantages
- Guaranteed 4.0% floor
- Extra 1% on first S$60K combined
- Government-backed (SSGS)
- Cash top-ups tax-deductible
Considerations
- Locked until age 55 (BRS rules)
- SA closes at 55 (since Jan 2025)
- FRS 2026: S$220,400
- Top-up limit: S$8K self / year
Gold & Precious Metals
Medium RiskPhysical gold, UOB Gold Savings Account, or SGX-listed gold ETFs (e.g. SPDR Gold Shares). Investment-grade gold is GST-exempt in Singapore. Traditional inflation hedge priced in USD.
Advantages
- Inflation hedge
- Investment-grade gold GST-free
- No CGT in Singapore
- UOB Gold Savings option
Considerations
- No income / dividends
- Storage costs (physical)
- USD/SGD currency risk
- Price volatility
Robo-Advisors
Medium RiskMAS-licensed automated portfolio managers including Syfe, StashAway and Endowus. Globally diversified ETF portfolios with automatic rebalancing. Some accept CPF and SRS funding.
Advantages
- Low minimum from S$1
- Automatic rebalancing
- CPF / SRS investing options
- MAS-licensed CMS holders
Considerations
- Management fees 0.2–0.8% p.a.
- Less direct control
- Market volatility exposure
- Underlying ETF fees apply
ETFs (SGX-listed)
Medium–High RiskSGX-listed ETFs tracking the STI (ES3, G3B), global indices (VWRA, IWDA via brokers), or sectors. Many are CPFIS-approved. Singapore has no capital gains tax. Low expense ratios from 0.04%.
Advantages
- No capital gains tax
- SG dividends one-tier (tax-free)
- CPFIS-approved options
- Low expense ratios
Considerations
- Market risk exposure
- Brokerage commissions apply
- US ETFs: 30% withholding tax
- SGD/USD currency risk
Supplementary Retirement Scheme (SRS)
Medium–High RiskVoluntary retirement scheme operated by DBS, OCBC, UOB. Annual contributions tax-deductible up to S$15,300 (Citizens/PRs) or S$35,700 (foreigners). Investments grow tax-free; only 50% of withdrawals taxable at retirement.
Advantages
- $1-for-$1 tax deduction
- Tax-free growth before withdrawal
- 50% tax concession at retirement
- Wide investment universe
Considerations
- 5% penalty before retirement age
- S$15,300 cap (Citizens/PRs)
- Personal relief cap S$80,000
- 10-year withdrawal window
S-REITs (Singapore REITs)
Medium–High RiskSGX-listed REITs such as CapitaLand Integrated Commercial Trust, Mapletree Logistics, Ascendas REIT and Frasers Centrepoint. Access commercial, industrial, retail and healthcare properties. Tax-transparent distributions.
Advantages
- Tax-transparent distributions
- 5–8% dividend yields
- Liquid (trade on SGX)
- Many CPFIS-approved
Considerations
- Interest rate sensitive
- Share price volatility
- MAS gearing limits (50%)
- Sector concentration risk
CPF Investment Scheme (CPFIS)
Medium–High RiskInvest CPF Ordinary Account (OA) funds in MAS-approved unit trusts, ETFs, shares, and insurance products. Aim to beat the 2.5% OA rate. Must retain S$20,000 minimum in OA. Note: SA-CPFIS withdrawn since 1 October 2024.
Advantages
- Potential to beat 2.5% OA rate
- Wide approved product range
- Use idle CPF funds
- Tax-free gains within CPF
Considerations
- Can underperform CPF rates
- Must retain S$20K in OA
- SA-CPFIS withdrawn (Oct 2024)
- Sales charges and platform fees
SGX Stock Market (Direct Shares)
High RiskDirect SGX share investment via CDP-linked broker accounts. Access blue chips like DBS, OCBC, UOB, Singtel and CapitaLand. STI hit historic 5,000 mark in February 2026. Singapore one-tier dividends are tax-free for individuals.
Advantages
- No capital gains tax
- SG one-tier dividends tax-free
- Many CPFIS-approved stocks
- SRS-eligible
Considerations
- Single-stock volatility
- Capital can be lost
- Smaller market vs US/global
- Board lot system (100 shares)
Cryptocurrency
Very High RiskDigital assets traded via MAS-licensed Digital Payment Token (DPT) service providers including Coinhako, Independent Reserve and Crypto.com. No capital gains tax for individual investors. 9% GST may apply on trading fees.
Advantages
- No capital gains tax
- MAS-licensed DPT exchanges
- 24/7 global market
- Staking / DeFi yields (some)
Considerations
- Extreme volatility
- Can lose 50%+ quickly
- 9% GST on trading services
- Security and scam risks
Frequently Asked Questions
Common questions about compound interest, savings, CPF, SRS and tax in Singapore. Answers reference MAS, IRAS, CPF Board and SDIC official guidance.
Important Disclaimer
For educational and informational purposes only. This calculator produces estimates based on the inputs provided and assumes a constant compounding rate over the projection period. Figures referenced reflect Singapore rates and rules current to May 2026: CPF interest rates Q2 2026 (OA 2.5% p.a. floor, SA/MA/RA 4.0% p.a. floor extended until 31 December 2026), CPF Retirement Sums for those turning 55 in 2026 (BRS SGD 110,200, FRS SGD 220,400, ERS SGD 440,800), Basic Healthcare Sum SGD 79,000 (under 65), CPF monthly Ordinary Wage ceiling SGD 8,000, SRS contribution caps SGD 15,300 (Citizens/PRs) or SGD 35,700 (foreigners), and personal income tax relief cap SGD 80,000. The statutory retirement age rises from 63 to 64 from 1 July 2026. Past investment performance is not a reliable indicator of future returns.
No warranty of accuracy. While Money Snap takes reasonable care to source figures from official authorities (MAS, IRAS, CPF Board, SDIC, MoneySense), this calculator is provided "as is" without any express or implied warranty as to accuracy, completeness, timeliness, or fitness for any particular purpose. CPF interest rates are reviewed quarterly, retirement sums are revised annually, and tax thresholds change with each Budget — figures shown may be out of date following Budget announcements, MAS monetary policy decisions, or CPF Board updates. Individual circumstances including tax residency, citizenship status, employment income, CPF contribution history, scheme eligibility, and other reliefs claimed may materially affect actual outcomes.
Not financial advice. Money Snap is not licensed by the Monetary Authority of Singapore (MAS) and does not hold any Capital Markets Services (CMS) licence, financial adviser's licence, or insurance broker's licence under the Securities and Futures Act, the Financial Advisers Act, or the Insurance Act. Information provided is general in nature only and does not take into account your personal circumstances, financial situation, or objectives. Results do not constitute financial, investment, tax, retirement, or insurance advice, and use of this calculator does not create an advisory relationship. Before acting on any figure shown, obtain personal advice from a MAS-licensed financial adviser (search the MAS Financial Institutions Directory), or seek free guidance from MoneySense. Tax queries can be directed to IRAS, and CPF queries to the CPF Board.
Limitation of liability. To the maximum extent permitted by law, Money Snap accepts no liability for any loss, damage, cost, or expense — direct or indirect — arising from reliance on this calculator or the information it produces. Investment products (SGX shares, ETFs, S-REITs, unit trusts, structured deposits, cryptocurrency) carry capital risk and may fall as well as rise in value. The Singapore Deposit Insurance Scheme protects eligible SGD deposits up to SGD 100,000 per depositor per Scheme member (raised from SGD 75,000 on 1 April 2024); CPFIS and CPFRS monies are aggregated separately and also protected up to SGD 100,000. SDIC coverage applies only where a Scheme member fails — it does not cover investment losses from market movements, foreign currency deposits, structured deposits, or unit trusts. Users are responsible for verifying all figures with the relevant authority before relying on them. Use of this calculator is subject to our Terms of Use.
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