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Money Market Account Earnings Calculator

See what your money market account actually earns after fees and interest-rate tiers are applied, so you know whether the account structure works for your balance.

Quick answer: Estimate what a money market account really earns after minimum-balance tiers and monthly maintenance fees. Enter Balance, Money Market APY, Balance to Earn Top APY, and APY Below Minimum to personalize the estimate. It returns Net Earnings After Fees, Effective APY, and Fees Paid so you can compare the impact before choosing a next step. Use it to compare cash flow, interest, liquidity, and next-account choices before moving money.

SWReviewed by SwitchWize Research Desk · Last reviewed July 5, 2026
Net Earnings After Fees
$1,044
Net Earnings After Fees
$1,044
Effective APY
4.10%
Fees Paid
$0
Interest Earned
$1,044
Where your money market yield goes
$1,044total
Interest earned$1,044
Fees paid$0
Total$1,044
After-Tax Net Earnings
$794
Ending Balance
$26,044
Diagnostic

At a 4.10% effective APY, your balance earns about $1,044 over 12 months.

After $0 in fees, that is $1,044 net, or $794 after tax.

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At 4.10% effective APY, $25,000 in a money market account earns about $1,044 over 12 months after fees.

How this gap has moved

The Money Market Gap Index has held roughly flat.

SwitchWize Money Market Gap Index, computed monthly from scraped bank rate data. Historical data, not a forecast.

What to do next

Compare money market rates

Your action plan
  1. 1

    Calculate the baseline result with your current numbers

    Estimate what a money market account really earns after minimum-balance tiers and monthly maintenance fees.

  2. 2

    Compare the result against current market-rate options

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

Compare money market rates

This is an educational estimate, not tax, legal, investment, or lending advice. Confirm with a qualified professional or the provider before acting.

Calculator action path

Turn this result into a decision

Every SwitchWize calculator connects to a product comparison, rate context, guidance, alerts, and Money Map.

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You could gain ~$1,044/yr. Compare nowMove from calculation to current product options.
Guide
Best Business Money Market AccountsCompare the best business money market accounts of 2026. APY tiers, check-writing access, and the liquidity vs yield matrix for small business cash reserves.
Money Map
Map this $1,044/yr opportunitySave this opportunity and see how it fits your broader money plan.
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Reviewed Oct 5, 2026 · Methodology

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Advertising disclosure: SwitchWize currently has no compensated product links. Ranked using the SwitchWize methodology. Learn more

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Frequently Asked Questions

Everything you need to know.

What does an example Money Market Account Earnings Calculator calculation look like?
Using this calculator's own default assumptions, a balance of $25,000, money market apy of 4.1% and balance to earn top apy of $10,000 produces an estimated net earnings after fees of $1,044 and effective apy of 4.1%. Enter your own numbers above to see how it changes for your situation.
Why does my effective APY differ from the advertised APY?
The advertised rate assumes you maintain the full minimum balance every day. If your balance fluctuates or fees are charged, those costs reduce your real return. Effective APY bakes in the impact of tiered rates and fees on your actual balance, showing what you truly earn.
Should I worry about taxes on money market earnings?
Yes. Interest income from money market accounts is taxed as ordinary income at your marginal rate. The after-tax earnings output shows how much you keep after taxes are owed, which is what matters for comparing this account to other savings options or investments taxed differently.
Is the Money Market Account Earnings Calculator free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Money Market Account Earnings Calculator affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to compare money market rates, or run Money Map to compare this banking & savings decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (mma) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

Money market accounts advertise attractive APY rates, but they often come with minimum-balance requirements and maintenance fees that eat into real earnings. This calculator reveals how tiered interest rates and fees interact with your actual balance over time, so you can compare accounts and time horizons on a level playing field. Understanding your net earnings after all costs helps you decide whether a money market account beats savings alternatives.

How to Use It

  1. 1Enter your current balance in the account.
  2. 2Input the advertised APY rate the bank offers.
  3. 3Enter the minimum balance needed to qualify for that top APY.
  4. 4Enter any lower APY rate you'd earn if your balance falls below the minimum.
  5. 5Enter the monthly fee charged if your balance stays below the minimum.
  6. 6Choose your time horizon in months or years.
  7. 7Enter your combined federal and state tax rate so the calculator can show after-tax earnings.
  8. 8Review the outputs: your effective APY, total fees paid, interest earned, net earnings after fees, after-tax net earnings, and what your balance will be at the end.
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