Compare where to park idle cash across Singapore's top savings accounts using published caps and qualification assumptions.
Singapore’s high-yield savings accounts pay a small base interest rate, then stack bonus interest tiers on top when you meet specific monthly conditions. Common requirements include crediting your salary via GIRO, spending a minimum amount on the bank’s linked debit or credit card, making a set number of GIRO bill payments, or purchasing an eligible investment or insurance product through the bank. This calculator lets you toggle the requirements you can realistically meet each month, then recomputes each bank’s effective interest rate (EIR) and the monthly interest that rate produces on your balance.
Use it for cash you do not want locked up: an emergency fund, near-term downpayment, or investment war chest. The calculator focuses on accessible bank-account yields, so you can compare whether moving idle cash is worth the extra requirements.
Each bank combines these requirements differently. OCBC 360 adds a separate bonus for each category you fulfil, with higher bonuses on the slice of your balance between $75,000 and $100,000. UOB One pays by balance band: with card spend and salary credit, 1.00% on the first $75,000, 2.50% on the next $50,000 and 3.40% on the next $25,000, so its effective rate is low on small balances and only reaches 1.90% at $150,000. DBS Multiplier needs income credited plus at least one more category, and its rate also depends on how much flows through the account each month, stepping up at $15,000 and $30,000. Reading each bank's actual qualifying criteria matters, since a rate that looks attractive on paper may apply to only a slice of your balance or need transactions that don't match your habits.
Every high-yield account caps how much of your balance can actually earn the bonus rate, typically somewhere between $50,000 and $150,000 depending on the bank. Any amount you hold above that cap either earns just the base rate or no bonus interest at all. This calculator applies each account’s cap automatically, so if your balance exceeds a bank’s maximum, only the capped portion is used to compute monthly interest. This shows you a realistic figure rather than an inflated headline rate applied to your full balance. This is also why some savers deliberately split large balances across two or three accounts, each kept under its own cap, to maximise total bonus interest earned.
“High-yield”, “high-interest”, and “high-return” savings accounts all describe the same thing in Singapore: a bank account whose headline rate is really a base rate plus conditional bonus interest. What matters is your effective rate — the blended rate you actually earn after accounting for which bonus conditions you meet and your balance cap — not the advertised maximum. This calculator computes that effective rate for each account so you compare like for like.
A high-return savings account keeps your cash instantly accessible while still paying a competitive rate, which is what makes it the default home for an emergency fund. Fixed deposits and T-bills can pay more when rates are high, but they lock your money up for a fixed term. For cash you may need at short notice, the flexible bonus-interest account usually wins; for money you’re certain you won’t touch, compare it against the current fixed-deposit and T-bill rates before deciding.
This tool provides simplified, educational reference estimates only, not licensed financial advice. Bank interest rates, qualifying criteria, and balance caps change frequently and often involve additional tiering not modelled here. Always verify current rates and conditions directly with the bank before making a decision.
Best High-Yield Savings Accounts in Singapore
The best place to park idle cash depends on which bonus requirements you can meet each month, your balance cap, and how long you need the money.
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Singapore high-yield savings accounts pay a base interest rate plus bonus tiers for meeting conditions like salary crediting, a minimum monthly spend on a linked debit/credit card, GIRO bill payments, or an investment/insurance purchase. Meeting more requirements unlocks a higher effective interest rate (EIR).
Each bank caps the balance that earns bonus interest, commonly between $50,000 and $150,000. Any amount above that cap either earns the base rate or no bonus interest at all, which this calculator accounts for.
It depends entirely on which requirements you can realistically meet each month, such as salary crediting, card spend, GIRO, and investment or insurance purchases. Enter your own balance and requirements to see which account’s effective rate is best for you.
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Income plus card spend, home loan, insurance and investments. The rate steps up at $15,000 and $30,000.
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Maybank
Bonus on up to $75,000
Rates as in the T&Cs dated 1 Nov 2025. Source
Base rate not confirmed with Maybank, so this account is not ranked.
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Disclaimer
Rates were checked against the banks' own published rates on 6 October 2026; each card shows when its rates took effect and links to the source. Maybank SaveUp is the exception: part of the rate could not be confirmed with the bank, so it is listed last and never ranked best. Banks also set category-specific minimums and change rates often, so confirm the current terms with the bank before moving money.