Free calculator widget for your website

Add a SIP or EMI calculator to your website with your name and brand colour. Visitors who use it can message you on WhatsApp with their numbers already filled in.

For mutual fund distributors, financial advisors, loan and real-estate agents, and finance bloggers. Free, with no sign-up.

Shown at the top of the calculator and on the WhatsApp button.
Optional. Include the country code; a 10-digit number is taken as Indian.
Paste this where the calculator should appear. On WordPress, use a Custom HTML block.
Preview

How it works

  1. Choose a calculator and add your name, brand colour and WhatsApp number.
  2. Copy the code and paste it into your website or blog.
  3. Visitors try their numbers, then tap the button to message you with the result already in the chat.

Questions

Is it really free?

Yes. The widget shows a small "Powered by Worldofcalcs" link, and the code includes a text link to our calculator page.

Do you see my visitors' data?

No. Calculations run in the visitor's browser and nothing they type is sent to us. The widget sets no cookies and shows no ads.

Where do the WhatsApp messages go?

Straight to your WhatsApp number. We never see them.

Does it include a disclaimer?

Yes. The SIP calculator notes that mutual fund returns are not guaranteed and are subject to market risks, and the EMI calculator notes that the actual rate depends on the lender. Add any further disclosures your registration requires on your own page.

Want a fully branded version?

We're planning a paid version: no Worldofcalcs link, more calculators (income tax, retirement, goal planning) and enquiries sent to your email. Tell us what you need and we'll let you know when it's ready.

Email us