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Taxes · Income Tax

Marginal Tax Rate Calculator

Find your federal marginal and effective tax rates for your income and filing status.

  • Free to use here · embed on the Business plan
  • 2 inputs · 5 results
  • English & Spanish

Try the Marginal Tax Rate Calculator

See your marginal and effective rates — results update as you type.

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Estimates only — not a loan offer or financial advice.

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What this calculator does

What the Marginal Tax Rate calculator works out

The Marginal Tax Rate Calculator is a free, embeddable calculator from CalcFunnel. Find your federal marginal and effective tax rates for your income and filing status.

You enter 2 inputs: filing status and taxable income.

It returns marginal tax rate, effective tax rate, federal tax, taxable income and tax on next $1,000.

Built for tax preparers, CPAs and payroll firms. Embedding it on your own website needs the Business plan (from $210/month, with a 14-day free trial), which unlocks the Taxes category.

Results it shows

  1. 01Marginal Tax Rate
  2. 02Effective Tax Rate
  3. 03Federal Tax
  4. 04Taxable Income
  5. 05Tax on Next $1,000

The first figure — marginal tax rate — is the headline result.

Inputs

The inputs it uses

Each field below comes straight from the calculator, with the same help text visitors see when they hover the info icon.

Filing Status
Your filing status on your federal tax return.Options: Single · Married Filing Jointly · Married Filing Separately · Head of Household
Taxable Income
Your income after deductions — what the brackets apply to.

For your website

Embed this calculator on your website

Put the Marginal Tax Rate Calculator on your own site with your colors, copy and lead form. Every calculation can arrive in your CRM with the numbers attached.

Works on WordPress, Wix, Squarespace, Webflow, Shopify, GoHighLevel and plain HTML — paste one line into an HTML or code block. No plugin needed.

Start free How embedding works

Free plan, no card. 14-day trial on Pro & Business.

  1. Inline on any pagePaste the snippet where the calculator should appear. It fills the width of its container and resizes to fit its content.
  2. Popup buttonA button sits on your page; visitors click it and the calculator opens in a popup.
  3. Floating corner widgetPaste once — or in your site-wide footer code — to show a floating calculator bubble in the corner of every page.
  4. Open from your own link or buttonGive any existing link, button or image a class and it opens the calculator when clicked.
  5. Direct linkA full-page link to the calculator for emails, social posts, QR codes or a menu item.

FAQ

Marginal Tax Rate calculator FAQs

Still stuck? Ask the team — we reply within one business day.

Q.01What does the Marginal Tax Rate Calculator calculate?
Find your federal marginal and effective tax rates for your income and filing status. It returns marginal tax rate, effective tax rate, federal tax, taxable income and tax on next $1,000.
Q.02What information do I need to use the Marginal Tax Rate Calculator?
You enter 2 inputs: filing status and taxable income. Every input starts with a sensible default, so you can change only what you know.
Q.03What does “Filing Status” mean in the Marginal Tax Rate Calculator?
Your filing status on your federal tax return.
Q.04What does “Taxable Income” mean in the Marginal Tax Rate Calculator?
Your income after deductions — what the brackets apply to.
Q.05Is the Marginal Tax Rate Calculator free to use?
Yes — you can use it on this page for free, without an account. Embedding it on your own website needs the Business plan (from $210/month, with a 14-day free trial), which unlocks the Taxes category. Compare plans.
Q.06Can I embed the Marginal Tax Rate Calculator on my website?
Yes. Embed it inline, as a popup button, as a floating corner widget, from your own link or button, or share a direct link. It works on WordPress, Wix, Squarespace, Webflow, Shopify, GoHighLevel and plain HTML sites with one line of code — see embedding.
Q.07Is the Marginal Tax Rate Calculator available in Spanish?
Yes. Labels, tooltips and result names are available in English and Spanish, and visitors can switch language in the calculator.
Q.08Can the calculator capture leads?
Yes. It can end with a lead form, a Get a Quote form, a Share panel or a button to any URL. Leads are saved with the inputs and results attached and can be forwarded to your CRM by webhook.
Q.09Are the Marginal Tax Rate results financial advice?
No. Estimates only. Uses 2026 federal brackets (IRS Rev. Proc. 2025-32, as amended by the 2025 tax law) on taxable income; excludes state tax, payroll tax, capital-gains rates, credits and phase-outs. Not tax advice.

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The Marginal Tax Rate Calculator is one of 188 calculators you can brand and embed with one line of code.

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