WeightHelp

Free tools for weight loss, muscle gain & healthy eating

No signup, no data stored. Evidence-based calculators to help you set realistic, sustainable goals.

BMI Calculator
Check your Body Mass Index and see which weight category it falls into.
Calculate BMI
Calorie Calculator
Find your daily calorie needs (TDEE) for maintaining, losing, or gaining weight.
Calculate calories
Macro Calculator
Get personalized protein, carb, and fat targets based on your goal.
Calculate macros
Body Fat Calculator
Estimate your body fat percentage using the U.S. Navy tape-measurement method.
Calculate body fat
Your privacy: every calculator on this site runs entirely in your browser. Nothing you enter is sent to a server, stored, tracked, or saved anywhere — close the tab and it's gone.

Not medical advice. WeightHelp's calculators provide general estimates for informational and educational purposes only. They are not a substitute for professional medical advice, diagnosis, or treatment.

Always consult a qualified healthcare provider — such as a doctor or registered dietitian — before starting any weight loss, muscle gain, or dietary program, especially if you have any existing health conditions.

No liability. WeightHelp and its operator are not responsible for any outcomes resulting from the use of information provided on this site.