Fixed Deposit Ladder Calculator Singapore 2026

Split your savings across multiple FD tenors to earn more interest while keeping liquidity — free calculator with real-time results in SGD.

Understanding Fixed Deposit Laddering for Singapore Savers

A fixed deposit ladder is a savings strategy where you divide your capital across multiple fixed deposits with staggered maturity dates, rather than locking everything into a single long-term placement. Instead of committing S$50,000 to a single 12-month FD, for example, you might split it into four tranches of S$12,500 — maturing at 3, 6, 9, and 12 months respectively. As each rung matures, you can reinvest at the prevailing rate or access the funds if needed.

Singapore savers are well-placed to benefit from FD laddering. As at Q1 2026, major local banks — DBS, OCBC, and UOB — offer promotional FD rates ranging from 3.3% to 3.8% p.a. for tenors between 3 and 12 months. Digital banks such as MariBank and Trust Bank have at times offered rates above 4% for shorter tenors. By spreading your placement across multiple banks and tenors, you capture the higher rates available at the longer end of the curve while maintaining quarterly access to a portion of your capital.

Not financial advice. All figures are for educational reference only. Rates cited are indicative as at Q1 2026 — always verify current rates directly with your bank before placing funds.

Why Laddering Beats a Single FD Placement

A single long-term FD locks in today’s rate for the entire duration. If rates rise after you place the deposit, you miss out until maturity. A ladder solves this: each tranche matures on a rolling schedule, giving you the opportunity to reinvest at the latest market rate every few months. You also avoid the penalty of premature withdrawal — one of the main drawbacks of fixed deposits in Singapore — because there is always a rung maturing soon when you need liquidity.

How Singapore Banks Calculate FD Interest

Singapore banks use simple interest for fixed deposits, not compound interest. The formula is: Interest = Principal × (Annual Rate ÷ 100) × (Tenor in Months ÷ 12). For a S$10,000 placement at 3.8% p.a. for 6 months: Interest = S$10,000 × 0.038 × 0.5 = S$190. This calculator applies the same formula to each rung in your ladder, giving you an accurate picture of total interest earned and the blended effective yield across all tranches.

How to Use This Fixed Deposit Ladder Calculator

1. Enter your total investment amount: Type the total SGD amount you want to place across all FD rungs. The calculator divides this equally across all tranches.
2. Select the number of rungs: Choose between 2 and 6 tranches. A 4-rung ladder (3, 6, 9, 12 months) is the most common starting point for Singapore savers.
3. Set the term and rate for each rung: For each tranche, select the tenor (1–24 months) and enter the interest rate offered by your chosen bank. Use the bank’s current promotional rate.
4. Choose reinvestment preference: Select whether proceeds are reinvested at maturity or taken as cash. Reinvesting compounds your ladder’s returns over time.

The calculator instantly shows your total interest earned, effective blended yield, and a breakdown of each rung’s principal, tenor, interest income, and maturity value.

Pro tip: Combine this calculator with our Compound Interest Calculator to see how reinvesting your FD proceeds can grow your savings over a multi-year horizon.

What Is a Fixed Deposit Ladder?

A fixed deposit ladder (FD ladder) is a structured savings approach where you divide a lump sum into equal parts and place each part in a fixed deposit with a progressively longer tenor. The “rungs” of the ladder refer to each individual FD tranche. As the shortest-term deposit matures, you reinvest those proceeds into a new FD at the longest available tenor, effectively rolling the ladder forward indefinitely.

The strategy is particularly well-suited to the Singapore fixed deposit market. Unlike the US, where certificates of deposit (CDs) are the dominant instrument, Singaporeans have a rich ecosystem of competing options: FDs from DBS, OCBC, UOB, and Citibank, alongside Singapore Savings Bonds (SSBs), Treasury Bills (T-Bills), and high-yield savings accounts. The FD ladder works best when there is a meaningful spread between short-term and long-term rates — a condition that existed through 2023–2025 and has persisted into 2026.

The minimum FD placement is typically S$500 to S$1,000 at most Singapore banks, with promotional rates often requiring a minimum of S$10,000 to S$20,000. A 4-rung ladder on S$40,000 would allocate S$10,000 per tranche — comfortably above the minimum at all major banks. The SDIC insures up to S$100,000 per depositor per financial institution, so savers with larger amounts may also consider spreading their ladder across two or more banks for full deposit protection.

How FD Laddering Works: The Maths Behind the Strategy

The core calculation is simple interest applied to each rung. For a ladder with N equal tranches, each rung receives Principal ÷ N. The interest earned on each rung is: Interest = (Principal ÷ N) × (Rate ÷ 100) × (Months ÷ 12). The total return across all rungs is the sum of individual rung interest.

Consider a practical example: S$60,000 split into a 4-rung ladder.

The blended effective yield in this example is 2.44% annualised (since the average tenor is less than 12 months). However, when Rung 1 matures at 3 months and is rolled into a new 12-month FD, the strategy compounds over time and the effective annual return improves with each reinvestment cycle.

FD Ladder vs SSB vs T-Bills in Singapore

Fixed deposits are not the only low-risk option available to Singapore savers. Understanding how they compare to Singapore Savings Bonds (SSBs) and Treasury Bills (T-Bills) will help you decide where each instrument fits in your ladder.

A sensible approach for Singapore savers is to use T-Bills and SSBs for the “safe-haven” portion of their portfolio, and an FD ladder for the portion where they want more control over timing and bank choice. Use our T-Bill, SSB & FD Comparison Calculator to model all three side-by-side.

Best Banks for FD Laddering in Singapore 2026

As at Q1 2026, the following banks and digital platforms offer competitive FD rates for Singapore residents. Note that promotional rates change frequently — always verify before placing.

• DBS/POSB: Typically 3.3–3.6% p.a. for 3–12 months, often with promotional rates for online placements via digibank app. Minimum S$1,000.
• OCBC: Rates around 3.4–3.7% p.a. for 6–12 months. OCBC 360 account holders may get preferred rates. Minimum S$5,000 for promotional rates.
• UOB: Similar range of 3.3–3.6% p.a. Minimum S$10,000 for best rates on 12-month tenors.
• Citibank: Often competitive for larger placements (S$50,000+), with rates up to 3.8% p.a. for 6 months.
• MariBank: Offers competitive rates via app. Check the MariBank referral page for current promotions.

For investors seeking robo-advisor access to cash management products with higher yields, Endowus Cash Smart and Syfe Cash+ offer alternatives that can complement an FD ladder strategy. These are money market and short-duration bond products — not fixed deposits — and carry slightly more credit risk, but have historically offered marginally higher returns.

Using FD Ladders Alongside CPF & SRS

Fixed deposits can be purchased using CPF Ordinary Account (CPF-OA) funds through the CPF Investment Scheme (CPFIS). Under CPFIS, you can place CPF-OA monies into FDs at any CPFIS-approved bank. However, this only makes sense if the FD rate exceeds the CPF-OA base rate of 2.5% p.a. — a condition that was met for most of 2023–2026 given the elevated rate environment.

Note that from 1 May 2025, CPF Special Account (SA) funds can no longer be invested via CPFIS (following the SA closure for members under 55). This makes the CPF-OA FD route even more relevant for members who want to deploy CPF savings into market-rate instruments. Use our CPFIS Calculator to assess whether withdrawing CPF-OA funds for FD placement is worthwhile given the opportunity cost.

SRS (Supplementary Retirement Scheme) funds can also be placed into fixed deposits at SRS operator banks — DBS, OCBC, and UOB. This is a tax-efficient move: SRS contributions reduce your chargeable income dollar-for-dollar, and the FD interest earned inside SRS is only taxable upon withdrawal (at 50% of the prevailing rate, deferred until retirement age), which is still a tax-advantaged outcome. If you are maximising your SRS contribution (S$15,300/year for Singapore Citizens and PRs as at 2026), placing the proceeds in an FD ladder inside SRS is a compelling low-risk strategy.

FD Laddering as a Passive Income & Retirement Strategy

For retirees or near-retirees in Singapore, an FD ladder serves two purposes: capital preservation and a predictable cash flow schedule. By structuring your ladder so that one rung matures every month or every quarter, you effectively create a salary-replacement mechanism from your savings — each maturity date delivers a lump sum of principal plus interest that you can use for living expenses or reinvest.

Consider a retiree with S$200,000 in liquid savings who needs approximately S$2,500/month for expenses. A 6-rung ladder at 3.8% p.a. average would generate approximately S$7,600/year in interest — about S$634/month — while keeping S$200,000 of capital rolling. The remaining income gap can be met by CPF LIFE payouts (use our CPF LIFE Payout Calculator to estimate yours) or dividend income from S-REITs and blue chips.

FD laddering pairs especially well with a dividend income strategy. Fixed deposits provide the low-volatility, capital-safe portion of your income, while S-REITs and dividend stocks provide higher-yield but more volatile distributions. Together they form a barbell approach that balances risk and return. For a complete view of your retirement income picture, use our Retirement Planning Calculator and our guide to passive income strategies in Singapore.

Frequently Asked Questions

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