Investing
Compare your final value with or without ETF fees over time
Find out how fees impact long-term returns
ETF expense ratio (ER) represents the annual cost of owning an exchange-traded fund, expressed as a percentage of assets under management. A 0.05% expense ratio on a $10,000 investment costs $5 annually, while a 1.0% ratio costs $100. This seemingly small percentage compounds significantly over decades—paying 0.90% instead of 0.05% annually costs roughly $100,000+ over a 30-year investing career on a million-dollar portfolio through foregone compound growth. Expense ratios directly reduce your net returns, making them a critical factor in fund selection. The rise of passive index ETFs with ultra-low expense ratios (0.03-0.07%) has made high-fee active funds increasingly difficult to justify, as they rarely outperform net of fees.
The calculator multiplies your investment amount by the expense ratio percentage to show the annual cost in dollars. It then projects this cost forward over multiple years, accounting for compound growth—as your investment grows, the absolute dollar cost increases proportionally, but the cumulative opportunity cost (money that could have compounded) grows exponentially. For example, $100,000 invested at 1.0% ER versus 0.05% ER over 30 years might differ by $50,000+ because that fee money never compounds. The calculator shows both annual costs and cumulative lifetime costs.
Annual Cost = Investment Amount × (Expense Ratio ÷ 100). Cumulative Cost Over Time = Annual Cost × Years + Compound Growth Impact. The true cost includes not just fees paid directly, but the exponential opportunity cost of foregone compound growth. At 7% annual returns with 0.90% higher fees, you lose roughly 13% of 30-year wealth versus the 0.05% fee alternative ($86,000+ on $100,000 initial investment).
Excellent: Under 0.10% (most broad market index ETFs). Good: 0.10%-0.25% (specialized index ETFs). Acceptable: 0.25%-0.50% (factor ETFs, some actively managed). High: Above 0.50% (most actively managed funds, specialized ETFs). For comparison, mutual funds average 0.50%-1.50%. Given passive index ETFs consistently outperform active management net of fees, any fund above 0.30% should have proven outperformance to justify the cost.
The expense ratio is calculated and charged daily, though you might not see individual charges. Your share count gradually decreases by the ER percentage annually. If you own an ETF with 0.10% ER, you lose 0.10% of your shares yearly to fund management costs, essentially paying the fee continuously through share dilution rather than a lump-sum deduction.
Rarely. Studies consistently show 85-95% of actively managed funds underperform passive index alternatives net of fees over 15+ year periods. An active fund charging 0.75% must outperform the passive 0.07% alternative by 0.68% annually just to break even—most don't. Some managers beat the market for periods, but identifying them prospectively is nearly impossible. If you can't identify specific outperformance history, defaulting to passive low-cost index funds is statistically prudent.
Dramatically. A $100,000 investment at 7% returns costs roughly $40,000-50,000 extra over 30 years by paying 0.50% more in ERs annually (0.50% ERs vs. 0.05% alternatives), because that compounding power is lost forever. On a million-dollar portfolio over 30 years, 0.50% higher fees could cost $400,000-500,000 in foregone wealth. This is why expense ratio comparison is the single most important factor in fund selection for long-term portfolios.
