About Kalkulo

Kalkulo is a free universal calculator hub. Our mission is to make everyday calculations accessible to everyone — no sign-up, no subscription.

Our mission

50+ free tools covering finance, health, property, converters, education and daily life — adapted to UK standards (NHS, HMRC, Stamp Duty).

Available in 4 languages

Kalkulo is available in 4 languages: French 🇫🇷, UK English 🇬🇧, US English 🇺🇸 and Spanish 🇪🇸.

Any questions? Contact us.