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Singapore Investment Growth Calculator SGD

By Chuck, Finance Atlas — Updated October 2026

Project long-horizon investment growth with your own return assumption, an optional fee drag, contribution frequency and an inflation view — in Singapore dollars (SGD), every line an estimate.

S$

The lump sum that starts the projection.

S$

The amount you add on the schedule selected below.

How often the contribution lands — the projection converts quarterly or annual amounts into a monthly equivalent. That is a simplified projection, not an exact month-by-month contribution schedule: the amount is spread evenly across the year and added at each month's end.

%

5.00% is an illustrative example only — NOT a market forecast. Set the return you want to test; investment returns are not guaranteed.

%

Total expense drag — fund fees, platform fees, advice fees. Fees compound exactly like returns, in the opposite direction.

The horizon. Long horizons are where fee and return differences compound into fortunes.

%

The projection deflates the final balance into today's money at this rate. Also illustrative — inflation is not constant.

Projected Value

S$0

Educational estimate only — not financial advice, and not a forecast. Investment returns are not guaranteed.

Total Invested
—
Estimated Growth
—
In Today's Money
—

All amounts in Singapore dollars (SGD, S$) — interest and per-year figures show cents; larger figures are rounded to whole dollars.

Deposits instead? → Isolate the compounding? →
See your year-by-year growth — contributions, interest and balance
YearContributedInterest This YearBalance

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Long-Horizon Investing, Honestly Modelled

An investment projection has exactly one honest structure: your assumptions in, compounding out, and a label on every figure saying it is an estimate. That is this page. You set the return, the fees, the contribution schedule and the horizon; the calculator compounds monthly and shows the year-by-year table. The 5.00% default return is an illustrative example only — not a market forecast — because no honest page can promise what markets will do, and a stale assumption is worse than a labelled one.

With the example inputs — S$10,000 invested, S$500 added monthly at the illustrative 5.00% return over 20 years — the projection reaches about S$232,600, with growth contributing roughly S$102,600 on top of S$130,000 invested. Two levers dwarf everything else visible here: time (cut the horizon to 10 years and growth falls by more than half) and fees (set the fee drag to 1% and the projection loses roughly S$27,000 over the same 20 years — run both and see). Fees compound exactly like returns, in the opposite direction; that is the single most expensive sentence on this page.

The Singapore wrappers, in general terms

Singapore investors typically hold investments directly, through brokerage accounts, or inside tax-advantaged wrappers. The Supplementary Retirement Scheme (SRS) lets you contribute pre-tax relief up to an annual cap, invest through approved instruments, and withdraw at retirement with favourable tax treatment on withdrawal. The CPF Investment Scheme (CPFIS) allows investing part of your CPF savings in approved instruments above a threshold. Both wrappers change the tax and access profile of the money — not the compounding mathematics — so this page models the mathematics and deliberately makes no claims about eligibility, caps or current rules; check the scheme documents for those. Nothing here recommends any instrument.

What the calculator leaves out

Sequence risk — the order in which returns arrive — is not modelled: a flat rate is assumed, while real returns are lumpy, and lumps early matter differently from lumps late. Taxes on income distributions, currency effects on foreign holdings, and behavioural costs (selling in drawdowns) are all outside the page. The inflation view is a straight deflation, not a scenario model. Treat the output as the shape of compounding under your assumptions — a discipline tool, not a crystal ball.

Frequently Asked Questions

What return should I enter?

There is no right number — that is why the input is yours. The 5.00% pre-filled is an illustrative example only, NOT a market forecast. Sensible practice is to run several scenarios (conservative, moderate, optimistic) and notice how much the final value depends on the assumption.

How do fees change the result?

Fees reduce the effective return every year, and the reduction compounds. At the default inputs, a 1% annual fee drag costs roughly S$27,000 over 20 years — larger than most people expect, because the fee is charged on the whole balance including past growth. Run the projection with fees at zero to price what you are paying.

What are SRS and CPFIS?

Singapore wrappers with tax advantages: SRS offers tax relief on contributions up to an annual cap with favourable withdrawal treatment at retirement; CPFIS allows investing part of your CPF savings in approved instruments above a threshold. They change tax and access, not the compounding maths — check the official scheme documents for current rules, caps and eligibility.

Is the inflation view realistic?

It applies a single constant deflation rate — a simplification, since inflation varies year to year. Its purpose is perspective: the nominal S$238,991 at the example inputs is about S$160,000 in today's money at 2% inflation over 20 years. Both numbers are true; only one buys what you think it buys.

Is my money information sent anywhere?

No. Everything runs locally in your browser. Nothing you type is transmitted, stored or logged.

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Disclaimer: Finance Atlas is not a bank, licensed moneylender, finance company, card issuer or financial adviser in Singapore. This calculator provides educational estimates only and does not constitute financial advice, a credit offer or a recommendation of any product. Confirm exact figures, rates, fees and eligibility criteria with your lender, issuer or bank.