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Retirement · Pension & Social Security

Contribution Effect on Your Paycheck

See how raising your pre-tax retirement contribution changes your take-home pay.

  • Free to use here · embed on the Business plan
  • 5 inputs · 6 results
  • English & Spanish

Try the Contribution Effect on Your Paycheck

See the real cost of saving more — 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 Contribution Effect on Your Paycheck calculator works out

The Contribution Effect on Your Paycheck is a free, embeddable calculator from CalcFunnel. See how raising your pre-tax retirement contribution changes your take-home pay.

You enter 5 inputs: gross pay per period, pay frequency, marginal tax rate (%), current contribution (%) and new contribution (%).

It returns net paycheck reduction, extra contribution per period, tax savings per period, new contribution per period, annual extra contribution and new annual contribution.

Built for financial advisors and planners. Embedding it on your own website needs the Business plan (from $210/month, with a 14-day free trial), which unlocks the Retirement category.

Results it shows

  1. 01Net Paycheck Reduction
  2. 02Extra Contribution per Period
  3. 03Tax Savings per Period
  4. 04New Contribution per Period
  5. 05Annual Extra Contribution
  6. 06New Annual Contribution

The first figure — net paycheck reduction — 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.

Paycheck

Gross Pay per Period
Your gross pay each pay period, before deductions.
Pay Frequency
How often you are paid.Options: Weekly · Bi-Weekly · Semi-Monthly · Monthly
Marginal Tax Rate (%)
Your combined federal + state marginal income tax rate. Pre-tax 401(k)/403(b) contributions avoid income tax at this rate (they are still subject to Social Security and Medicare tax).

Contribution Change

Current Contribution (%)
The percent of gross pay you contribute now.
New Contribution (%)
The percent of gross pay you want to contribute.

For your website

Embed this calculator on your website

Put the Contribution Effect on Your Paycheck 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

Contribution Effect on Your Paycheck calculator FAQs

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

Q.01What does the Contribution Effect on Your Paycheck calculate?
See how raising your pre-tax retirement contribution changes your take-home pay. It returns net paycheck reduction, extra contribution per period, tax savings per period, new contribution per period, annual extra contribution and new annual contribution.
Q.02What information do I need to use the Contribution Effect on Your Paycheck?
You enter 5 inputs: gross pay per period, pay frequency, marginal tax rate (%), current contribution (%) and new contribution (%). Every input starts with a sensible default, so you can change only what you know.
Q.03What does “Gross Pay per Period” mean in the Contribution Effect on Your Paycheck?
Your gross pay each pay period, before deductions.
Q.04What does “Pay Frequency” mean in the Contribution Effect on Your Paycheck?
How often you are paid.
Q.05Is the Contribution Effect on Your Paycheck 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 Retirement category. Compare plans.
Q.06Can I embed the Contribution Effect on Your Paycheck 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 Contribution Effect on Your Paycheck 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 Contribution Effect on Your Paycheck results financial advice?
No. Estimates only. Pre-tax contributions lower taxable income, so take-home pay drops by less than the contribution. Uses a flat marginal rate; real payroll taxes and brackets differ.

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The Contribution Effect on Your Paycheck is one of 188 calculators you can brand and embed with one line of code.

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