Free Weight Loss Tools & Calculators
📊 12 evidence-based calculators, free to use
12 evidence-based calculators for metabolic health, intermittent fasting, keto, and sustainable weight loss — designed for the Indian health context.
🔬 Metabolic Health Suite
Understand your metabolic health with validated clinical scoring tools.
Metabolic Health Risk Scorer
Score your metabolic health across 7 clinical markers — waist, BMI, glucose, blood pressure, triglycerides, HDL, and activity.
Score My Risk →BMI & Ideal Weight Calculator
Calculate BMI, healthy weight range, and ideal body weight using the Hamwi formula — with frame size and sex adjustments.
Calculate BMI →Weight Loss Timeline Calculator
See a realistic month-by-month projection to your goal weight — with conservative, moderate, and aggressive scenarios.
See My Timeline →Body Fat % Estimator
Estimate body fat percentage using the US Navy method (waist + neck + hip measurements) — no equipment needed.
Estimate Body Fat →⏱️ Intermittent Fasting Suite
Find the right fasting protocol and set your eating window for maximum results.
IF Protocol Selector
8 questions about your lifestyle, health, and goals to find the ideal IF protocol — 12:12, 16:8, 18:6, 5:2, or OMAD.
Find My Protocol →Fasting Window Calculator
Set your exact fasting and eating window times — with meal timing, what happens in each fasting phase, and what breaks a fast.
Set My Window →Calorie Deficit Estimator
Calculate your TDEE and daily calorie target for your chosen pace of weight loss — with full macro breakdown and goal date.
Calculate Deficit →🥑 Keto Suite
Everything you need for a ketogenic diet — designed for the Indian food context.
Keto Macro Calculator
Get personalised keto macros — fat, protein, net carbs — with an Indian food portion guide including paneer, ghee, dal, and rice swaps.
Calculate Macros →Carb Limit & Food Swapper
Set your carb limit and instantly find low-carb swaps for Indian staples — rice, roti, potato, idli, dosa, dal, and more.
Find Swaps →Protein Requirement Calculator
Calculate optimal protein intake for your goal — with Indian food sources for omnivore, vegetarian, and vegan diets.
Calculate Protein →🩺 Clinical Conversion Suite
Educational tools for understanding clinical weight management options.
GLP-1 Eligibility Checker
Understand if you may meet general clinical criteria for GLP-1 weight-management medication — based on FDA/NICE guidelines. Always consult your doctor.
Check Eligibility →PCOS & Diabetes Weight Risk
Assess PCOS symptoms and type 2 diabetes risk factors with a personalised action plan — including which tests to request from your doctor.
Assess Risk →📬 Get Your Free Weight Loss Starter Kit
Get a personalised 7-day IF plan, Indian keto meal guide, and metabolic health checklist — free.
Get Free Kit →About WeightLossTeachers Tools
Our free calculators are built on validated clinical formulas — including the Mifflin-St Jeor BMR equation, the US Navy body fat method, and FDA and NICE clinical guidelines for obesity treatment. Each tool is designed specifically for the South Asian dietary context, with Indian food examples throughout.
Explore our cornerstone guides: GLP-1 Medications Guide · Complete IF Guide · Indian Keto Guide