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Expense Ratio Calculator

See exactly how much fund management fees cost you each year and over time. Enter your investment amount and fund expense ratio to calculate annual fees, compare low-cost vs. high-cost funds, and understand the compounding impact of expenses on your long-term wealth.

Expense Ratio Calculator — Visualização de Proporção em Tempo Real
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        What is an Expense Ratio?

        An expense ratio is the annual percentage fee charged by mutual funds and ETFs to cover management, administration, and operational costs. Expressed as a percentage of assets under management (AUM), it is deducted daily from the fund's net asset value. A 0.50% expense ratio on a $100,000 investment costs $500 per year — money subtracted directly from your returns without ever appearing on a bill.

        Expense ratios range from as low as 0.03% for broad market index funds (like Vanguard's Total Stock Market ETF) to over 2.00% for actively managed specialty funds. While the percentage differences seem tiny, compounding magnifies the impact dramatically: a 1% higher expense ratio can reduce your portfolio value by 25% or more over a 30-year investment horizon, potentially costing hundreds of thousands of dollars in lost wealth.

        Fórmulas e Equações Utilizadas

        Esta Expense Ratio Calculator usa 5 equações principais:

        1 Annual Fee Calculation ▼
        Annual Fee = Investment Amount × (Expense Ratio / 100)

        A $100,000 investment in a fund with 0.75% expense ratio costs $750 per year in fees.

        2 Fee Impact Over Time ▼
        Cost = Investment × ((1 + Return)^Years - (1 + Return - ER)^Years)

        This calculates the total return difference caused by the expense ratio over multiple years.

        3 Effective Return After Fees ▼
        Effective Return = Gross Return - Expense Ratio

        A fund earning 10% gross with a 1.5% expense ratio delivers 8.5% net return to investors.

        Explore all calculation options on the Calculadora de Proporção home page.

        Como Usar esta Calculadora

        Para usar esta Calculadora de Proporção, siga 3 passos:

        1

        Insira os Valores

        Digite os valores conhecidos nos campos de entrada. Deixe um campo vazio — esse é o valor desconhecido que a Calculadora de Proporção irá resolver.

        2

        Escolha o Modo

        Selecione o modo de proporção — Resolver, Simplificar ou Redimensionar. Cada modo aplica equações diferentes aos seus valores de entrada.

        3

        Obtenha os Resultados

        Clique em Calcular. A tela de resultados exibe a resposta com uma barra de proporção visual, um gráfico de pizza e um detalhamento da solução passo a passo.

        Problemas de Exemplo e Soluções Passo a Passo

        Aqui estão 3 problemas de exemplo com soluções passo a passo usando esta Calculadora de Proporção:

        Entrada 1 $50,000 in a fund with 0.85% expense ratio
        1 Convert expense ratio percentage to decimal: 0.85% = 0.0085.
        2 Multiply portfolio value by expense ratio: 50,000 × 0.0085 = 425.00/year.
        3 Calculate daily fee deduction: 425 ÷ 365 ≈ 1.16/day.
        ✓ Annual Management Fee is 425.00/year
        Entrada 2 Compare 0.10% vs 1.00% over 30 years on $100K
        1 Assuming 7% annual gross growth on 100,000 over 30 years:
        2 At 0.10% net 6.90%: Final balance ≈ 739,890 (Fees paid ≈ 21,340).
        3 At 1.00% net 6.00%: Final balance ≈ 574,349 (Fees paid ≈ 186,881).
        4 Lost wealth to high fee: 739,890 - 574,349 = 165,541.
        ✓ Fee difference costs 165,541 in lost returns
        Entrada 3 What expense ratio keeps fees under $200/year?
        1 Given portfolio value (80,000) and max fee (200):
        2 Divide max fee by portfolio value: 200 ÷ 80,000 = 0.0025.
        3 Convert to percentage: 0.0025 × 100% = 0.25%.
        ✓ Maximum Expense Ratio is 0.25%

        Perguntas Frequentes

        What is a good expense ratio? ▼

        For passive index funds, 0.03% to 0.20% is excellent. For actively managed domestic equity funds, under 0.75% is reasonable. For international or specialty funds, under 1.00% is acceptable. Above 1.50% is expensive and difficult to justify unless the fund has a proven track record of outperformance after fees.

        How are expense ratios charged? ▼

        Expense ratios are deducted daily from the fund's net asset value (NAV) as a fraction of the annual rate. You do not receive a bill or invoice. A 0.50% annual expense ratio means approximately 0.00137% (0.50% ÷ 365) is deducted from the fund's value each day, reducing your returns automatically.

        Do ETFs have lower expense ratios than mutual funds? ▼

        Generally yes. The asset-weighted average ETF expense ratio is about 0.16%, while the average mutual fund charges about 0.47%. This difference exists because most ETFs are passively managed index trackers, while many mutual funds are actively managed with higher research and trading costs.

        Should I switch funds to save on expense ratio? ▼

        Consider switching if: the fee difference exceeds 0.3% annually, the funds track the same or similar indexes, there are no exit fees or significant tax consequences from selling, and the new fund has adequate liquidity. Even 0.3% savings on $200,000 saves $600 per year, compounding to tens of thousands over decades.

        Do expense ratios include trading costs? ▼

        No. The stated expense ratio covers management fees, administrative costs, and 12b-1 marketing fees. Trading costs (brokerage commissions, bid-ask spreads, market impact) are separate and reflected in the fund's return but not in the published expense ratio number.

        How much do expense ratios cost over 30 years? ▼

        On a $100,000 portfolio growing at 7% annually: a 0.10% expense ratio costs about $21,000 over 30 years. A 1.00% expense ratio costs about $187,000 over the same period. The difference is approximately $166,000 in lost wealth — money that would have been yours with the lower-cost fund.

        What is a total expense ratio (TER)? ▼

        The Total Expense Ratio (TER) is the comprehensive annual cost of owning a fund, including management fees, administrative costs, legal expenses, auditing fees, and other operational costs. In the U.S., TER is essentially the same as the expense ratio. In Europe and the UK, TER is the standard disclosure metric.

        Are expense ratios tax-deductible? ▼

        Since the 2017 Tax Cuts and Jobs Act, investment advisory fees and fund expenses are no longer deductible for individual investors in the U.S. Prior to 2018, they were deductible as miscellaneous itemized deductions. The expense ratio reduces your taxable gains indirectly by lowering your net returns.

        What is the average expense ratio for a 401(k)? ▼

        The average 401(k) plan expense ratio has declined to approximately 0.36% for equity funds, down from over 0.60% a decade ago. Plans offered by large employers tend to have lower ratios due to institutional share class access. If your 401(k) funds charge above 0.50%, advocate for lower-cost options.

        Do target-date funds have higher expense ratios? ▼

        Target-date funds typically charge 0.10% to 0.75%, depending on the provider and whether they use index or active underlying funds. Vanguard's target-date funds charge 0.08-0.15%, while some actively managed versions exceed 0.60%. Check whether the stated ratio includes the underlying fund costs.

        How do I find a fund's expense ratio? ▼

        Check the fund's prospectus, fact sheet, or your brokerage platform's fund detail page. Websites like Morningstar, Yahoo Finance, and the fund company's own site list expense ratios prominently. Look for 'Net Expense Ratio' (after waivers) rather than 'Gross Expense Ratio' for the actual current cost.

        Saiba Mais Sobre Razões

        O que é uma razão?

        Uma razão é uma comparação entre duas ou mais quantidades que indica o tamanho relativo de uma em relação à outra. Escrita como A : B, significa 'para cada A unidades da primeira quantidade, há B unidades da segunda'. Por exemplo, uma razão de 3 : 4 significa que para cada 3 partes de A, há 4 partes de B. As razões são usadas na culinária, construção, finanças, ciências e no dia a dia.

        Como resolvo uma proporção?

        Uma proporção é uma equação que indica que duas razões são iguais: A : B = C : D. Para encontrar um valor ausente, utiliza-se a multiplicação cruzada. Se D for desconhecido: D = (B × C) / A. Isso funciona porque, em razões iguais, os produtos cruzados são sempre iguais: A × D = B × C. Nossa Calculadora de Proporção faz isso automaticamente — basta digitar 3 valores para encontrar o quarto.

        Como simplifico uma razão?

        Para simplificar uma razão, encontre o Máximo Divisor Comum (MDC) de ambos os números e divida cada um deles por este divisor. Por exemplo, em 24 : 36, o MDC é 12. Assim, 24 ÷ 12 = 2 e 36 ÷ 12 = 3, resultando na razão simplificada de 2 : 3. Nosso simplificador calcula o MDC e reduz a razão automaticamente.

        O que é redimensionamento de razão e quando é útil?

        Redimensionar uma razão significa multiplicar ambas as partes pelo mesmo fator para gerar uma razão equivalente maior (ou menor). Por exemplo, redimensionar 2 : 5 por um fator de 3 resulta em 6 : 15. Isso é ideal para ajustar receitas (triplicar os ingredientes), na construção civil (escala de projetos), misturar soluções químicas ou em qualquer cenário onde é preciso manter a mesma proporção em outra escala.

        Qual é a diferença entre razão e fração?

        Uma razão A : B compara duas quantidades entre si (relação parte-parte), enquanto uma fração A/B costuma representar uma relação parte-todo. No entanto, toda razão pode ser representada como fração: 3 : 4 é o mesmo que 3/4 = 0.75. A diferença principal está no contexto de comparação das grandezas.