Calculyn

Free widgets

Free calculators for your website

Any Calculyn calculator can live on your site for free. No ads, no sign-up, no tracking of what your visitors type. Open a calculator, tap “Add this calculator to your website,” and paste the code.

  1. Step 1

    Pick a calculator below

  2. Step 2

    Tap “Add this calculator to your website” at the bottom

  3. Step 3

    Paste the code into your page

For real-estate agents & mortgage brokers

Give buyers real numbers on your listing pages without sending them to a lender's site. No ads, no competitor links — and the formula is shown, so the numbers hold up in front of clients.

Mortgage CalculatorGet embed code →Home Affordability CalculatorGet embed code →Rent vs Buy CalculatorGet embed code →Closing Cost CalculatorGet embed code →Mortgage Extra Payment CalculatorGet embed code →Home Equity CalculatorGet embed code →

For personal-finance & lifestyle bloggers

Let readers try the numbers right inside your post. Embedded calculators keep people on your page longer and answer the question your article raises.

Compound Interest CalculatorGet embed code →Retirement CalculatorGet embed code →Debt Payoff CalculatorGet embed code →Salary to Hourly CalculatorGet embed code →Wedding Budget CalculatorGet embed code →TDEE CalculatorGet embed code →

For teachers & tutors

Clean, ad-free math tools you can drop into a class site or LMS page. Every calculator explains its formula with a worked example.

Graphing CalculatorGet embed code →Scientific CalculatorGet embed code →GPA CalculatorGet embed code →Final Grade CalculatorGet embed code →Quadratic Formula CalculatorGet embed code →Standard Deviation CalculatorGet embed code →

Is it really free?

Yes. The only thing we ask is that you keep the small “by Calculyn” credit link under the calculator. Need a calculator we don't have? Tell us.

Browse all calculators — every one can be embedded.