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Your quiet helper at the bedside

Quick, reliable calculators for the moments that matter. No clutter. Just the numbers you need, when you need them.

Always Fast

Results load instantly, even on a slow ward connection.

Well Sourced

Every formula is backed by peer-reviewed literature.

Private

Nothing you enter is stored or shared. Ever.

Works Anywhere

Designed to feel at home on a phone at the bedside.

We'd love to hear from you

Get in Touch

Feature request? Spotted something off? Or just a hello — we're listening.

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OpiCalc

Built by a clinician, for clinicians. The tools you wish you had on your first shift.

Who's behind this

Dr. Jjingo Farouk

Dr. Jjingo Farouk

Medical Doctor & Engineer

A doctor who got tired of slow, clunky tools and decided to build better ones.

Get in Touch

Something not right? Missing a tool you use daily? Just say the word.

© 2026 OpiCalc • Made with care for clinicians