All Medical Calculators Tools
APGAR Score Calculator
Assess newborn health at 1 and 5 minutes after birth using the standard APGAR scoring system
Glasgow Coma Scale Calculator
Score eye, verbal, and motor responses to assess consciousness level instantly — free, no signup required
IV Drip Rate Calculator
Calculate drops per minute and mL/hr flow rate for IV infusions — free, instant, no signup required
Pediatric Medication Dosage Calculator
Calculate safe medication doses for children by weight — mg/kg dosing with volume conversion, free and private
Medical Calculators on FastTools are free, browser-based tools designed to help you get quick answers without signups or downloads. Every calculator runs entirely in your browser — your data never leaves your device.
Whether you're planning, budgeting, or just curious, these tools are built to be fast, accurate, and private. Pick any tool below to get started instantly.
Frequently Asked Questions
Are these medical calculators free?
Yes, every tool is completely free to use with no signup, no account, and no hidden fees.
Is my data safe?
Absolutely. All calculations run locally in your browser. No data is sent to any server or stored anywhere.
Do I need to create an account?
No. Every tool works instantly with no registration required. Just open and start using.