Say you want S$100,000 for a property down payment in 5 years, you already have S$20,000 set aside, and your savings earn 3 percent a year. The existing S$20,000, compounding monthly at 3 percent, grows to about S$23,232 over the 5 years on its own. That leaves a gap of S$76,768 to fund with fresh monthly contributions.
To fill that gap with regular monthly deposits that also earn 3 percent along the way, you need to save about S$1,187 a month for the full 60 months. Of the S$100,000 goal, roughly S$71,220 comes from those contributions, about S$3,232 is interest on the head start, and the rest is the S$20,000 you began with plus interest on the deposits. A higher interest rate or a longer runway both reduce the monthly amount required.
How it is calculated
First the tool grows your starting balance forward using monthly compounding at the interest rate you set, over the number of months to the goal. It subtracts that grown amount from the goal to find the gap that still needs funding. The required monthly deposit is then derived from the future-value-of-an-annuity formula, solved for the payment that turns into exactly the gap by the target date, again allowing for monthly interest on each deposit. If the starting balance alone is projected to reach the goal, the monthly figure shows as zero. For near-term goals like a down payment or wedding, a low but safe rate is realistic, since money you will need soon should not sit in volatile assets. CPF Ordinary Account savings can also count towards a property down payment.
Frequently asked questions
Where to save for a near-term goal?
For a goal within a few years, keep the money safe and liquid: a high-interest savings account, T-bills, or Singapore Savings Bonds protect capital, unlike shares which can fall when you need the cash. For a property down payment, CPF Ordinary Account savings also count.
Can CPF savings count toward my goal?
CPF Ordinary Account (OA) funds can be used for the purchase of HDB flats and private residential property, including the down payment for an HDB flat. The OA earns a guaranteed 2.5 percent per annum (with a 1 percent extra on the first S$60,000 of combined CPF balances). CPF savings cannot be withdrawn as cash for non-housing goals, so for travel, weddings, or car purchases you need separate cash savings.
How does Singapore income tax affect how much I can save each month?
Singapore uses a progressive resident tax rate starting at 0 percent up to S$20,000 of chargeable income, rising to 24 percent above S$1,000,000 (2025 and 2026 rates per IRAS). Most salaried employees also contribute to CPF: employee contribution rates are 20 percent of ordinary wages up to the Ordinary Wage ceiling of S$7,400 per month (from January 2026). Knowing your take-home pay after CPF and income tax gives you the realistic monthly surplus available to save.
What interest rate should I use for my savings?
As of 2025 and 2026, Singapore high-interest savings accounts (DBS Multiplier, OCBC 360, UOB One) offer up to 4 to 7.65 percent per annum on qualifying balances, but those headline rates require salary crediting, card spend, and insurance or investment transactions. A realistic blended rate for a typical saver is 2.5 to 4 percent. Six-month T-bills have yielded roughly 3.0 to 3.7 percent in 2025. Singapore Savings Bonds offer 10-year average returns of around 2.7 to 3.3 percent with full capital safety and monthly redemption flexibility.