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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 — 실시간 비율 미리보기
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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.

        적용 수학 공식 및 방정식

        이 Expense Ratio Calculator는 5가지 핵심 수학 공식을 사용합니다:

        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 비율 계산기 home page.

        비율 계산기 사용법

        이 비율 계산기는 아래의 3단계로 쉽게 사용할 수 있습니다:

        1

        수치 입력하기

        입력 칸에 알고 있는 비율 값을 입력합니다. 구하려는 미지수 자리의 칸 하나는 비워둡니다.

        2

        모드 선택하기

        비율 모드(풀기, 간소화, 스케일링)를 선택합니다. 각 모드는 입력한 수치에 맞춰 다른 공식들을 적용합니다.

        3

        결과 확인하기

        계산하기 버튼을 누릅니다. 결과 화면에 정답과 함께 시각적인 비율 바, 원형 차트, 상세한 단계별 풀이 과정이 출력됩니다.

        실제 예제 문제 및 단계별 풀이

        비율 계산기를 활용하여 아래 3가지 예제 문제를 단계별로 해결하는 과정입니다:

        입력 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
        입력 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
        입력 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%

        자주 묻는 질문 (FAQ)

        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.

        비율 이론 학습하기

        비율이란 정확히 무엇인가요?

        비율(Ratio)은 두 가지 이상의 양의 크기를 서로 견주어 비교해 나타낸 수치입니다. 기호로는 A : B 와 같이 나타내며, '앞엣것 A의 단위량당 뒤엣것 B의 분량이 매칭된다'는 상호 관계입니다. 3 : 4 비율이라면 A가 3개 배분될 때 B는 4개 매칭된다는 정비례 관계를 갖습니다. 요리 레시피 배량, 기계 설계, 금융 재무 분석 등에 두루 사용됩니다.

        비례식은 어떻게 푸나요?

        비례식은 두 비율의 가치가 같다는 것을 뜻하는 수학 등식입니다 (A : B = C : D). 외항의 곱(A × D)과 내항의 곱(B × C)은 항상 같습니다. 미지수 D를 구하려면 내항을 곱한 뒤 남은 외항 A로 나눕니다: D = (B × C) / A. 비율 계산기의 비례식 해결 모드에 알고 있는 세 숫자를 넣으면 미지수를 즉각 도출할 수 있습니다.

        비율은 어떻게 간단하게 정리하나요?

        두 숫자의 최대공약수(GCD)를 구한 다음 두 수를 모두 그 최대공약수로 나누어 약분하면 됩니다. 예컨대 24 : 36 의 경우 24와 36의 최대공약수가 12이므로 양쪽을 12로 나누면 가장 간단한 자연수의 비인 2 : 3이 됩니다. 비율 계산기가 GCD 연산과 약분을 자동으로 처리해 줍니다.

        비율 크기 스케일링은 언제 사용하나요?

        비율 관계를 흩뜨리지 않고 전체 양을 늘리거나 줄일 때 사용합니다. 예컨대 2 : 5 비율의 자재가 있을 때 양쪽 모두에 3을 곱하면 6 : 15 가 되어 동일한 비중을 가지면서 3배 많은 배합물을 준비할 수 있습니다. 빵 굽기 반죽 용량 증감, 조립 도면 축소 스케일링 등에서 필수적입니다.

        비율과 분수의 차이점은 무엇인가요?

        비율(A : B)은 대등한 성분끼리 양의 크기를 비교하는 것(부분 대 부분)에 가깝고, 분수(A/B)는 전체 수량의 파이 속에서 특정 부위가 차지하는 지분율(부분 대 전체)을 표현하는 경우가 많습니다. 다만 비율 3 : 4 역시 분수 3/4 (소수 0.75)의 가치로 나타낼 수 있습니다. 쓰임새와 의미 맥락에서 미세한 뉘앙스 차이가 존재합니다.