What IdealCalc Does
IdealCalc provides 10 free health and fitness calculators covering every major metric for weight management, nutrition, and body composition:
- TDEE Calculator using the Mifflin-St Jeor formula
- BMI Calculator with healthy weight range
- Calorie Deficit Calculator with goal-date projection
- Macro Calculator for protein, carbs, and fat targets
- Body Fat % Calculator using the US Navy method
- Ideal Body Weight, Weight Loss Timeline, Water Intake, Protein Intake, and Calorie Burn calculators
Every calculation runs entirely inside your browser. Nothing is ever sent to a server, stored, or shared.
Privacy & Data
We take your privacy seriously. Here is exactly what happens when you use IdealCalc:
- Your numbers are calculated locally in JavaScript — they never leave your device
- No account, login, or personal information is required
- We only store your dark mode preference in local storage
- Third-party ads (Google AdSense) may use cookies — see our Privacy Policy for details
Important Disclaimer
All results produced by IdealCalc are estimates for informational and educational purposes only. They do not constitute medical, nutritional, or health advice. Always consult a qualified healthcare professional — such as a doctor or registered dietitian — before making changes to your diet, exercise routine, or health management plan.