Are these calculators free?
Yes — all 12 tools on caloriecalcfree.com are completely free. No account, no payment, no downloads ever.
How accurate are the results?
Our tools use established scientific formulas (Mifflin-St Jeor, Harris-Benedict, Navy method) used by nutritionists and fitness professionals worldwide.
Do the tools support metric and imperial?
Yes. Every calculator on caloriecalcfree.com supports both metric (kg/cm) and imperial (lb/ft/in) units.
Are these tools suitable for medical decisions?
Our calculators are for general fitness guidance only. Always consult a qualified healthcare professional for medical or dietary advice.