Add interactive calculators to your WordPress site in seconds. Search from 80+ ready-made calculators, pick one, and embed it — no coding, no signup, no API key.

Calculators cover health (BMI, body fat, calorie), finance (loan, mortgage, compound interest, salary), math (percentage, fraction, area), sports, and everyday conversions.

Available in three languages from three calculator portals:

GimmeCalc — English
Skaičiuoti — Lithuanian
Beregne — Norwegian

Features:

Searchable calculator picker in the block editor
Live preview in the editor
Customizable height and width
Lazy-loaded iframes for performance
No signup or API key required
Completely free — no premium tier

External services

This plugin connects to external calculator services to fetch calculator listings and display calculators on your site.

Services Used

GimmeCalc (gimmecalc.com) — English calculators
Skaiciuoti (skaiciuoti.lt) — Lithuanian calculators
Beregne (beregne.app) — Norwegian calculators

What data is sent and when

In the block editor: fetches the list of available calculators from the selected service. No user data is sent.
On the frontend: loads the selected calculator in an iframe. Your site URL is sent as a referrer query parameter.

GimmeCalc Embed

External services

Services Used

What data is sent and when

Privacy Policies

Terms of Service