This page collects every calculator on the site in one place, organised by category so you can find the right tool without digging through menus. All calculators are free, require no signup, run entirely in your browser, and are available in both English and Russian. If you're not sure where to start, the Calorie & Macro Calculator below is the most-used tool on the site and a good foundation — most of the other calculators here are designed to complement it with more specific data (body composition, hydration, activity-specific calorie burn) rather than replace it.
⭐ Main Calculator
🏋️ Body & Fitness
BMI Calculator
Check if your weight is in a healthy range for your height. Includes BMI scale and healthy weight range.
Open →Ideal Weight Calculator
Find your ideal body weight using 4 proven medical formulas: Devine, Robinson, Miller, and Hamwi.
Open →Body Fat % Calculator
Estimate body fat percentage and lean mass using the US Navy method. No equipment needed.
Open →Metabolism Calculator
How fast is your metabolism compared to average for your age? See how BMR changes over time.
Open →🥗 Nutrition & Diet
Water Intake Calculator
Daily water needs based on weight, activity, and climate. Results in litres, glasses, and bottles.
Open →Net Carbs Calculator
Calculate net carbs from total carbs, fiber, and sugar alcohols for keto tracking.
Open →Recipe Nutrition Calculator
Add ingredients with weights and get full nutritional breakdown per serving.
Open →Pregnancy Calorie Calculator
Extra calories needed per trimester plus key nutrient recommendations.
Open →Alcohol Calories Calculator
Calories in beer, wine, spirits, and cocktails. Add multiple drinks for a total.
Open →TDEE by Diet Type
Daily calories and macros for keto, vegan, paleo, or Mediterranean.
Open →Sleep Calculator
Find the best bedtime or wake-up time by sleep cycles.
Open →Pace Calculator
Running pace, speed, and race time predictor.
Open →Waist-to-Hip Ratio
Check your fat distribution health risk category.
Open →Calorie Cycling
High and low day calorie targets that average out.
Open →Creatine Dosage
Ideal dose by body weight, with or without loading.
Open →Meal Timing
Evenly spaced meal times based on your day.
Open →Supplement Cost
Compare two products by cost per serving.
Open →🎯 Goals & Planning
Weight Loss Timeline Calculator
How long will it take to reach your goal weight? Get a realistic timeline with milestones.
Open →One Rep Max Calculator
Estimate your 1RM and training percentages for any lift.
Open →Exercise Calories Burned
Calories burned during 20+ activities — running, cycling, swimming, gym and more.
Open →7-Day Meal Plans
Ready-made plans for weight loss (1600 kcal), muscle gain (2800 kcal), and maintenance (2100 kcal).
View Plans →Intermittent Fasting Timer
Track your eating window and fasting countdown live.
Open →📚 Reference & Guides
Calories in Foods Table
150+ foods with calories, protein, carbs and fat per 100g. Searchable and filterable.
View Table →Diet Comparison Guide
Compare Keto, Mediterranean, Paleo, IF, Low-Fat, and High-Protein side by side.
View Guide →Frequently Asked Questions
Answers to common questions about calories, macros, BMI, protein and nutrition.
View FAQ →