Clinical calculators for nurses, done privately in your browser.
Nurses and clinical staff rely on quick, accurate health calculations every day. SpecWhale provides the most-needed health calculators in a clean, distraction-free interface with zero patient data leaving your device. Everything runs locally — no uploads, no account, no tracking.
Featured Tools for Nurses & Healthcare Workers
Zero-upload, 100% private client-side calculators and converters.
BMI Calculator
Calculate your Body Mass Index (BMI) from height and weight, with WHO category classification.
BMR Calculator
Estimate your Basal Metabolic Rate (BMR) — the calories your body burns at complete rest — using the Mifflin-St Jeor equation.