Investment Fee Calculator
See how sales load, operating fee, turnover cost and redemption fee erode fund returns vs a zero-fee scenario.
Input Data
Results
At a glance:The Investment Fee Calculator shows how sales load, operating fee (expense ratio), turnover cost and redemption fee erode fund returns, and compares with a zero-fee scenario for the cumulative fees eaten. Flow: actual invested = initial × (1 − load); effective return = gross return − operating fee; pre-redemption value = actual invested × (1 + effective return)^years − turnover cost; final value = pre-redemption × (1 − redemption fee). Core: fees eat assets that could compound, magnified by compounding over time.
Formula
Actual invested = initial × (1 − sales load rate).
Effective return = gross return − operating fee rate.
Pre-redemption value = actual invested × (1 + effective return)^years − turnover cost.
Final value = pre-redemption × (1 − redemption fee); no-fee value = initial × (1 + gross return)^years; total fees = no-fee − final.
$$\text{Effective Return} = r_{gross} - \text{operating fee}$$$$\text{Final Value} = \big[\text{PV}(1-\text{load})(1+r_{eff})^t - \text{turnover}\big](1-\text{redemption})$$How to Use
- Enter the initial investment and the fee rates (load, operating, turnover, redemption).
- Enter the fund's annual return and holding years.
- Compare the final value with the zero-fee scenario to see total fees eaten.
Initial HK$10,000, 10% return, 10 years — fee erosion on final value
| Scenario | Final fund value | Note |
|---|---|---|
| Zero fee | HK$25,937 | 10,000 × (1.10)^10 |
| 2% load + 2% op + 3% turnover + 2% redemption | HK$20,446 | Effective return down to 8% |
| Total fees | HK$5,491 | ≈21.17% of zero-fee return |
The operating fee (expense ratio) is deducted yearly, dropping the effective return from 10% to 8%, magnified by compounding; with load, turnover and redemption, over 10 years it eats over a fifth of the zero-fee return.
Case Studies
Case 1: How multiple fees erode a 10-year fund return
Mr Chan invests HK$10,000; front load 2%, operating fee 2%, gross return 10%, turnover cost 3%, redemption fee 2%, held 10 years.
Actual invested = 10,000 × (1 − 2%) = HK$9,800; effective return = 10% − 2% = 8%; 10-yr growth = 9,800 × 1.08^10 ≈ HK$21,157, less turnover (9,800 × 3% = 294) → pre-redemption ≈ HK$20,863; final = 20,863 × (1 − 2%) ≈ HK$20,446.
Zero-fee: 10,000 × 1.10^10 ≈ HK$25,937. Total fees = 25,937 − 20,446 ≈ HK$5,491, about 21.17% of the zero-fee return — over a fifth of potential return eaten by charges.
Case 2: Why a 'small' fee rate matters so much long run
Many think a 2% annual fee is 'little', but it is deducted every year from assets that could compound. Operating fee drops the effective return from 10% to 8%; over 10 years 8% compounds to 2.159×, 10% to 2.594× — a 0.435× gap that widens with time (30 years is a chasm).
Fees differ in nature: front load (one-off, cuts principal), annual operating/expense ratio (yearly, lowers effective return, biggest damage), turnover cost (hidden trading cost), redemption fee (one-off at sale). Their combined long-run erosion is huge.
Practical notes: (1) the expense ratio is the most comparable, predictable, long-run-critical cost — passive index/ETF is usually far lower than active; (2) read the fund summary and fee disclosure, enter all rates here to see the 10/20-year impact; (3) HK retail funds commonly have front load and management fee, some redemption fee; (4) cutting fees is one of the few factors you control that directly lifts net return. Pair with the expense-ratio and compound-interest calculators.
FAQ
Why do small fee rates eat so much return?
Fees are not charged once — the operating fee eats assets that could compound every year, magnified by compounding. Over 10 years, 2% load + 2% annual operating + turnover + redemption can eat over a fifth of the zero-fee return.
What is the expense ratio?
The expense ratio is the annual fee deducted from fund assets for management and administration. It is taken straight from the NAV, so it lowers your effective annual return.
Do HK funds have these charges?
Yes. HK retail funds commonly have front-end sales load, management fee (operating) and sometimes redemption fee. Check the fund summary and fee disclosure before investing and estimate the long-run impact with this calculator.
What fund fees exist, and which hurts long-run return most?
Common fees: (1) Front-end sales load — one-off at purchase, reduces starting principal (less to compound long run). (2) Annual operating/management fee (expense ratio) — deducted yearly from assets, lowers effective return (e.g. 10% gross, 2% ratio → 8% net). (3) Turnover cost — hidden trading cost from manager buying/selling, not always in the ratio; higher turnover = higher cost. (4) Redemption fee — one-off at sale, often declining with holding period. (5) Others: performance fee, switching fee, account fee. The most damaging is the annual expense ratio: it recurs yearly, it is taken from assets that would compound (magnified by compounding, worse over longer periods), and it is charged whether the fund wins or loses. Low-cost funds (index/ETF) tend to beat high-cost active funds net of fees long run. When comparing funds, watch the expense ratio most; use this calculator to see the 10/20-year difference and pair with the expense-ratio calculator.
How to lower fees and lift net return; how do active vs passive fees differ?
Cutting fees is one of the few factors you control that directly lifts net return — every 1% annual fee saved is ~1% more net return, compounded. Active funds (manager picks stocks/timing) cost more — expense ratio commonly 1%–2%+ plus higher turnover and possibly sales load. Passive funds (index/ETF, just tracking an index) cost far less — ratio often 0.03%–0.5%. The fee gap can exceed 10×, and most active funds underperform their passive benchmark net of fees long run. Ways to lower fees: (1) prefer low-expense-ratio products (index/ETF); (2) avoid high load/redemption fees — seek no-load funds or low-fee platforms; (3) reduce unnecessary frequent trading (buy-and-hold saves costs); (4) watch turnover (low-turnover funds have lower hidden cost); (5) use low-cost platforms; (6) review total fees periodically. Low fee is not the only factor — also check strategy, risk and tracking error — but other things equal, lower fee usually means higher long-run net return. Pair with the expense-ratio and compound-interest calculators.
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References
Content review: Calculatorism Finance Team. Results are for reference only; please refer to the relevant authorities for the official figures.