ETF expense ratio calculator

An ETF’s expense ratio is deducted from the fund every year, so small differences compound into large sums. Compare two funds side by side to see the cost in money, not just basis points.

Cost of the pricier fund

8,463.04

Total fee & compounding drag

Final value — fund A: 180,836.00; 326.33 direct fees
Final value — fund B: 172,372.96; 6,880.86 direct fees
Final value with no fees: 181,256.26

Year	Fund A value	Fund B value	Cumulative drag
1	59,483.95	59,152.25	331.70
2	69,628.73	68,881.50	747.23
3	80,480.39	79,224.14	1,256.25
4	92,088.19	90,218.82	1,869.36
5	104,504.80	101,906.67	2,598.13
6	117,786.59	114,331.38	3,455.21
7	131,993.84	127,539.40	4,454.44
8	147,191.04	141,580.12	5,610.92
9	163,447.16	156,506.04	6,941.13
10	180,836.00	172,372.96	8,463.04

1. Математическая формула и расчетное тождество

Each year: Value = (Value × (1 + gross return)) × (1 − expense ratio) + contribution

2. Инструкция по использованию и входные параметры

Enter your starting amount, a yearly contribution, the expected gross return before fees and the two expense ratios to compare.

Fees are taken from the grown balance each year, so you see both the direct fee and the growth it would have earned.

3. Модельные допущения и границы применимости

Contributions are added at the end of each year. Returns are constant and before tax.
Ignores trading spreads, tracking difference and securities-lending income, which can move a fund’s real cost above or below its stated ratio.

4. Часто задаваемые вопросы и риск-комментарии (FAQ)

Is a 0.1 percentage-point difference worth worrying about?

Over long horizons, yes. On £/$/€100,000 growing at 7% for 30 years, 0.1 points of extra cost reduces the final value by roughly 2–3%.

Как риск-менеджеры могут независимо верифицировать расчеты «ETF expense ratio calculator»?

ETFYield Lab публикует точные аналитические формулы и конвенции начисления на этой странице. Вы можете воспроизвести расчет в Python/Pandas и проверить лицензию контрагента через центр верификации ETFYield Lab.

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