Is the fee taken from my returns or from my capital?

From the whole balance, which means from both. In a year when the fund falls, the fee is still charged on what remains, so it deepens the loss. That is why fees matter as much in bad years as in good ones, and why they are usually deducted quietly from the unit price rather than billed.

Do regular contributions change the picture?

They enlarge it. Saving 200 a month for thirty years reaches about 241,600 at a 6.95 percent net return and about 200,900 at 6 percent — a difference of nearly 40,700 from the same one-point fee. The longer and the larger the plan, the more the charge matters.

Where do I find the real total charge?

In the fund's key information document, which states the ongoing charge and, separately, transaction costs. Then add whatever your platform and any adviser charge, both usually shown as an annual percentage of the amount held. The sum of those three is the number to compare, and it is the number the table above uses.

What a 1 Percent Fee Costs Over 30 Years

Published 4/9/2026 · 4 min read · Finance calculators

Camille Laurent — Finance writer at Allin

Tax · Personal finance

Checked against 2 sources

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In short

Fees are charged on the whole balance every year, so they compound against you exactly as returns compound for you. Investing $10,000 for 30 years at a 7 percent gross return leaves $75,063 after a 0.05 percent index-fund fee, but only $57,435 after a 1 percent fee — a gap of $17,628, which is more than the $10,000 originally invested. In percentage terms the 1 percent charge consumes 23 percent of the final pot, not 1 percent, because each year's fee also removes all the growth that money would have produced in every later year.

A one-point difference in annual charges turns $75,063 into $57,435 on the same $10,000. The fee costs more than the sum invested — here is why compounding does that.

Why a small percentage becomes a large number

The fee is not taken once, it is taken every year on everything you hold. So the euro removed in year one is not just a euro: it is also the growth that euro would have generated in years two to thirty. Compounded at 7 percent, one euro removed thirty years early is worth about seven and a half euros at the end, which is how a charge of one point turns into a quarter of the final pot.

The same mechanism means the damage grows with the horizon. Over ten years a one-point fee costs roughly 9 percent of the pot; over twenty, around 17 percent; over thirty, 23 percent. Young savers and pension pots are therefore the most exposed, which is exactly the money people pay the least attention to.

The fees that do not appear in the headline number

The published ongoing charge covers management and administration, but not everything. Transaction costs inside the fund, entry or exit charges, platform or custody fees and any adviser fee all sit on top, and each is charged on the same base. Two funds quoting the same ongoing charge can therefore differ by several tenths of a point once everything is counted.

Add the layers before comparing. A fund at 0.20 percent held on a platform charging 0.35 percent through an adviser charging 1 percent is a 1.55 percent product, and it should be judged against the 1.55 percent row of the table, not the 0.20 percent one.

When a higher fee is defensible

A fee is not automatically bad; it is a price that has to buy something worth more than the table above. An adviser who stops you selling in a crash, sorts out a tax wrapper or fixes an unbalanced portfolio can easily be worth more than a point a year. What rarely justifies it is fund selection alone, since the extra return required to break even against a cheap index fund is exactly the fee difference, every year, for thirty years.

Judge the fee against what it buys, and check the total every couple of years. Charges are one of the very few variables in investing that you control completely, unlike returns, inflation or timing.

Net return

$10,000 invested for 30 years at a 7 percent gross return
Annual fee	Net return	Value after 30 years
0.05 % (index fund)	6.95 %	$75,063
0.20 %	6.80 %	$71,968
0.50 %	6.50 %	$66,144
1.00 % (active fund)	6.00 %	$57,435
1.50 % (fund plus adviser)	5.50 %	$49,840

Worked with our own calculator

Fund expense ratio cost calculator

Given

Amount invested: $50,000.00
Expense ratio (%/yr): 0.25
Years held: 5

Result

Annual fee: $125.00
Total fees over period: $625.00

These figures are produced by the calculator below, not typed in by hand — they are recomputed whenever the tool changes.

Run it on your own figures →

Frequently asked questions

Is the fee taken from my returns or from my capital?: From the whole balance, which means from both. In a year when the fund falls, the fee is still charged on what remains, so it deepens the loss. That is why fees matter as much in bad years as in good ones, and why they are usually deducted quietly from the unit price rather than billed.
Do regular contributions change the picture?: They enlarge it. Saving 200 a month for thirty years reaches about 241,600 at a 6.95 percent net return and about 200,900 at 6 percent — a difference of nearly 40,700 from the same one-point fee. The longer and the larger the plan, the more the charge matters.
Where do I find the real total charge?: In the fund's key information document, which states the ongoing charge and, separately, transaction costs. Then add whatever your platform and any adviser charge, both usually shown as an annual percentage of the amount held. The sum of those three is the number to compare, and it is the number the table above uses.

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Sources

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