Medical Calculators

Medical Calculators is a fast, searchable reference tool for clinicians, students, and healthcare professionals who need common medical scores and formulas at the bedside.

Key features:
- 135 medical calculators and clinical scores
- Quick search and category navigation
- Automatic calculation after required inputs are complete
- Unit conversion with saved preferred units
- Result history stored on your device
- Built-in references for supported calculators
- Optional AI-powered result explanations for active subscribers

Access, ads, and subscription:
- Non-subscribed users may see ads and do not have access to AI explanations.
- Users who previously purchased the full version keep the non-AI full-version features included with that purchase.
- An active subscription includes the full-version features plus AI-powered explanations.
- Daily AI explanation limits may change over time based on service cost, availability, and fair-use limits.
- Subscription terms, pricing, renewal, and cancellation are handled by Google Play and shown before purchase.

Calculator categories include:
Emergency and trauma: ABCD2, PERC, qSOFA, NEWS2, GCS, NIHSS, Alvarado, Canadian CT Head Rule, NEXUS II Head CT, New Orleans Criteria, PECARN Head Injury, Canadian C-Spine, NEXUS C-Spine, TLICS, RTS, ISS, TRISS, MESS, MGAP, GAP, ABC Score, NEXUS Chest CT, TASH, Rotenberg, San Francisco Syncope Rule, OESIL, EDACS, Ottawa Ankle, Ottawa Knee, Ottawa Foot, Pittsburgh Knee, Hardcastle Lisfranc, STONE.

Cardiology: CHA2DS2-VASc, CHA2DS2-VA, RCRI, HAS-BLED, HEART, TIMI STEMI, TIMI NSTEMI/UA, Killip, NYHA, Framingham CHF, Duke Treadmill, Wells DVT, QTc, MAP, DD-STEMI, Sgarbossa, Smith-Modified Sgarbossa, SVR, Shock Index, Cardiac Index, PVR, Fick Cardiac Output, Cornell Criteria, Sokolow-Lyon, H2FPEF, Brugada Algorithm, Gorlin Formula, Continuity Equation, LV Mass Index.

Renal, fluids, and electrolytes: GFR (MDRD), CKD-EPI 2021, KFRE, Creatinine Clearance, BSA-corrected CrCl, FENa, TTKG, URR, Kt/V, Serum Osmolality, Water Deficit, Hypernatremia Correction, Hyponatremia Correction, Anion Gap, HCO3 Deficit, Delta Ratio, Ca-Phos Product, Urine Anion Gap.

Pulmonary and critical care: CURB-65, PSI/PORT, Wells PE, Revised Geneva PE, PESI, ROX Index, AaO2 Gradient, Oxygenation Index, Murray Score, APACHE II, SOFA, SIRS, CPIS, Light's Criteria.

Gastroenterology and liver: Child-Pugh, MELD, MELD 3.0, Ranson's Criteria, Glasgow-Blatchford, West Haven, FIB-4.

General medicine, pediatrics, and other tools: BMI, BSA, BMR, MMSE, Modified Rankin Scale, CDR, APGAR, Kawasaki Criteria, Kocher Criteria, Daily Fluid, Burn Classification, Estimated Date of Delivery, HbA1c/eAG, Friedewald LDL, DPH, Ganzoni, Barthel Index, Pressure Injury Stages, ANC, Centor, MASCC, Acute Gout, Corrected Calcium, Corrected Calcium by Total Protein, Henderson-Hasselbalch pH, 2021 CKD-EPI, VAN Assessment, RACE Scale, LRINEC, Mentzer Index, Absolute Reticulocyte Count, Transferrin Saturation, 4T Score for HIT.

This app is intended as a clinical reference and calculation aid. It does not replace professional medical judgment, local protocols, or patient-specific assessment.

Recent changes:
Major new version:
• Expanded to 135 medical calculators and clinical scores
• Added many emergency, cardiology, renal, critical care, liver, trauma, and general medicine tools
• Redesigned input flow, result cards, search, and calculator switching
• Improved automatic calculation, validation, and result scrolling
• Improved multilingual coverage
• Added subscription-based AI result explanations
• Non-subscribed users may see ads