Simple calculators to take the guesswork out of your medical numbers
Evidence-based medical calculators for all! Fast, accurate calculations based on validated clinical formulas and peer-reviewed guidelines.
Evidence-Based
All calculators are built on validated clinical formulas and peer-reviewed guidelines from leading medical journals. Each tool references established medical literature, ensuring you get accurate results backed by scientific research and clinical practice standards.
Lightning Fast
Get instant calculations with our streamlined interface designed for clinical workflows. No registration required, no distractions—just enter your values and get results immediately. Perfect for anyone needing quick, reliable medical calculations.
Private & Free
Your data stays on your device. All calculations happen locally in your browser with zero tracking, no data collection, and complete privacy. No subscriptions, no paywalls, no hidden fees—just professional-grade medical calculators accessible to everyone who needs them.
Featured Calculators
A1c to Average Glucose
Convert HbA1c to estimated average glucose
Ozempic Weight Tracker
Track and project weight loss on GLP-1 medications
Blood Pressure Calculator
Categorize readings and get personalized guidance
Medication Half-Life
Calculate how long medications stay in your system
Target Heart Rate Zones
Find optimal heart rate for exercise intensity
Cortisol/Sleep Sync
Optimize alertness windows based on wake time
CGM to A1C Converter
Estimate A1C from continuous glucose monitor data
Creatinine Clearance
Calculate renal function using Cockcroft-Gault
IV Drip Rate
Calculate infusion flow rate in drops per minute
Frequently Asked Questions
What formulas do you use?
All our calculators use validated clinical formulas and peer-reviewed guidelines from leading medical organizations. Each calculator includes references to the source material and methodology used.
Do I need to create an account?
No account required! All calculators are completely free to use without registration. Your data stays private and calculations happen locally in your browser.
Can I use these calculators for clinical decisions?
Our calculators are informational tools to support clinical decision-making, but they should not replace professional medical judgment. Always consult with healthcare professionals for medical advice.
Which medical specialties do you cover?
We cover multiple specialties including Cardiology, Nephrology, Endocrinology, Hepatology, and General Medicine. We're continuously adding new calculators across different medical fields.
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