Expense Ratio — The Hidden Fee Eating Your Returns
The expense ratio is an annual fee charged by mutual funds, expressed as a percentage of your investment. A 1% expense ratio means you pay $100/year for every $10,000 invested.
How Expense Ratios Affect Returns
| Expense Ratio | $100K After 30 Years (10% Return) | Lost to Fees |
|---|
| 0.10% | $1,694,772 | $50,182 |
| 0.50% | $1,497,120 | $247,834 |
| 1.00% | $1,299,493 | $445,461 |
| 1.50% | $1,126,899 | $618,055 |
A 1.5% expense ratio costs you over $618,000 on a $100K investment over 30 years! Always choose funds with expense ratios below 0.50%.
📐 Methodology & Sources
All calculations use standard financial formulas. SIP returns use compound interest formula: FV = PMT × [((1+r)^n - 1) / r]. EMI uses: EMI = P × r × (1+r)^n / [(1+r)^n - 1]. Tax calculations follow Income Tax Act provisions for the current assessment year. Insurance premiums are indicative market averages.
Sources: RBI, SEBI, Income Tax Department of India, CIBIL, IRDA, LIC of India. Data verified as of Aug 2026.
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