Frequently Asked Questions
Questions, answered
Everything you need to know about using Calcora — from data privacy to formula accuracy.
General
Yes. Every calculator on Calcora is free, with no sign-up, subscription, or hidden paywall. We plan to keep it that way.
No account is required. Favorites and recently used tools are saved locally in your browser, not on a server.
Yes, every calculator is fully responsive and works on phones, tablets, laptops and ultra-wide monitors.
Data & Privacy
All calculations run entirely in your browser. Nothing you type into a calculator is sent to a server. Favorites and recent tools use your browser's local storage only.
Yes — clearing your browser's local storage for this site, or using your browser's site-data settings, will reset favorites and recently used tools.
Accuracy
Each tool uses standard, widely accepted formulas (for example, the Mifflin-St Jeor equation for BMR or standard amortization formulas for EMI). Results are estimates and should be verified for critical decisions.
No. Calcora's finance tools are for estimation and educational purposes only and are not a substitute for advice from a licensed financial professional.
No. BMI, BMR, calorie and body-fat tools provide general estimates only and do not replace guidance from a qualified healthcare provider.
Using the tools
Yes — every calculator includes Copy, Print and Share buttons on the result panel.
Yes, use the sun/moon icon in the top navigation bar. Your preference is remembered on your next visit.
Please reach out via our Contact page — we review every report.