# MyWellnessCalc > MyWellnessCalc is a free wellness calculator and health information site. It provides accurate, research-backed calculators, articles, and quizzes covering fitness, nutrition, body composition, sleep, and lifestyle health. ## Quiz Index - [All Wellness Quizzes](https://mywellnesscalc.com/quiz/): 19 short quizzes that match users to evidence-based protocols across nutrition, fitness, body composition, and lifestyle. ## Quizzes ### Nutrition - [What's Your Ideal Fasting Protocol?](https://mywellnesscalc.com/quiz/ideal-fasting-protocol.html): 5-question quiz matching users to the best intermittent fasting schedule based on lifestyle, hunger tolerance, and goals. - [Are You Getting Enough Protein?](https://mywellnesscalc.com/quiz/enough-protein.html): Assesses daily protein intake against bodyweight, activity level, and goals. - [Are You Eating the Right Macros?](https://mywellnesscalc.com/quiz/right-macros.html): Evaluates whether protein, carb, and fat balance fits the user's current fitness goal. - [Do You Need to Supplement Vitamin D?](https://mywellnesscalc.com/quiz/vitamin-d-supplement.html): Based on sun exposure, diet, skin tone, and location — determines if vitamin D supplementation is warranted. ### Fitness - [What's Your Zone 2 Fitness Level?](https://mywellnesscalc.com/quiz/zone-2-fitness-level.html): Assesses aerobic base development from cardio habits, conversational pace, and resting heart rate — matches to a Zone 2 training plan. - [What's Your Training Zone?](https://mywellnesscalc.com/quiz/training-zone.html): Identifies the appropriate heart rate training zone (Zone 2, mixed, or active recovery) based on fitness level and goals. - [Should You Try MAF Training?](https://mywellnesscalc.com/quiz/maf-training.html): Evaluates whether the Maffetone low-heart-rate method suits the user's goals and mindset. - [What Type of Cardio Suits You?](https://mywellnesscalc.com/quiz/cardio-type.html): Recommends Zone 2, HIIT, or a mixed approach based on goals, time availability, and fitness level. - [Is Creatine Right for You?](https://mywellnesscalc.com/quiz/creatine-right-for-you.html): Assesses whether creatine supplementation aligns with training type, diet, and goals. ### Body & Weight - [What's Your Muscle-Building Starting Point?](https://mywellnesscalc.com/quiz/muscle-building-starting-point.html): Identifies beginner, intermediate, or advanced muscle-building stage from training history, muscle definition, and body fat — links to FFMI tracking. - [What's Your Body Goal Type?](https://mywellnesscalc.com/quiz/body-goal-type.html): Distinguishes between fat loss, muscle building, and recomposition goals with targeted starting advice. - [What's Your Fat Loss Strategy?](https://mywellnesscalc.com/quiz/fat-loss-strategy.html): Recommends a personalised fat loss approach based on body composition, eating habits, and training history. - [Are You at a Healthy BMI?](https://mywellnesscalc.com/quiz/healthy-bmi.html): Contextualises BMI and explains when alternative measures (body fat %, waist-to-hip ratio) are more meaningful. - [What's Your Ideal Weight Loss Rate?](https://mywellnesscalc.com/quiz/weight-loss-rate.html): Recommends a sustainable weekly loss target based on starting weight, hunger tolerance, and lifestyle. - [Are You in a Weight Loss Plateau?](https://mywellnesscalc.com/quiz/weight-loss-plateau.html): Diagnoses whether a stall is a true plateau, metabolic adaptation, or tracking issue — with targeted solutions. - [What's Your Metabolism Type?](https://mywellnesscalc.com/quiz/metabolism-type.html): Profiles metabolic rate based on age, muscle mass, and activity to explain calorie burn and what to do about it. ### Lifestyle - [What's Your Recovery Type?](https://mywellnesscalc.com/quiz/recovery-type.html): Assesses whether recovery (sleep, stress, deload habits) is keeping pace with training load — with a tailored recovery plan. - [What's Your Sleep Type?](https://mywellnesscalc.com/quiz/sleep-type.html): Identifies morning, evening, or intermediate chronotype with personalised sleep timing recommendations. - [Are You Drinking Enough Water?](https://mywellnesscalc.com/quiz/enough-water.html): Estimates hydration needs based on bodyweight, activity level, and climate. - [What's Your Ideal Body Weight?](https://mywellnesscalc.com/quiz/ideal-body-weight.html): Explains how to set a realistic goal weight accounting for muscle mass, age, and body frame. ## Tools Index - [All Health & Fitness Calculators](https://mywellnesscalc.com/tools/): Directory of all 23 free health and fitness calculators with search functionality. ## Calculators ### Body & Weight - [BMI Calculator](https://mywellnesscalc.com/tools/bmi-calculator.html): Free BMI calculator. Enter height and weight to find Body Mass Index and understand what it means for health. - [Body Fat Percentage Calculator](https://mywellnesscalc.com/tools/body-fat-calculator.html): Estimates body fat percentage using the U.S. Navy method with a tape measure — no calipers needed. - [Ideal Body Weight Calculator](https://mywellnesscalc.com/tools/ideal-weight.html): Calculates healthy weight range based on height using four medical formulas: Devine, Robinson, Miller, and Hamwi. - [Lean Body Mass Calculator](https://mywellnesscalc.com/tools/lean-body-mass-calculator.html): Estimates lean body mass (fat-free mass) using the Boer formula from height, weight, and gender. Shows fat mass and body composition breakdown. - [Waist-to-Hip Ratio Calculator](https://mywellnesscalc.com/tools/waist-to-hip-ratio-calculator.html): Calculates waist-to-hip ratio and health risk level based on WHO guidelines. Supports cm and inches. ### Nutrition - [Calorie & TDEE Calculator](https://mywellnesscalc.com/tools/calorie-calculator.html): Calculates Total Daily Energy Expenditure based on age, weight, height, and activity level. - [Calorie Deficit Calculator](https://mywellnesscalc.com/tools/calorie-deficit-calculator.html): Calculates daily calorie target for fat loss based on TDEE, goal weight, and weekly loss rate — with safety rating and protein target. - [Macro Calculator](https://mywellnesscalc.com/tools/macro-calculator.html): Finds ideal daily protein, carbohydrate, and fat targets based on calories, body weight, and fitness goals. - [Protein Intake Calculator](https://mywellnesscalc.com/tools/protein-calculator.html): Calculates optimal daily protein target based on weight, activity level, and goals — muscle building, fat loss, or maintenance. - [Protein Calculator for Women Over 40](https://mywellnesscalc.com/tools/protein-calculator-women-over-40.html): Personalised daily protein target for women over 40 based on weight, activity level, and goals. - [Vitamin D Calculator](https://mywellnesscalc.com/tools/vitamin-d-calculator.html): Calculates daily Vitamin D needs based on age, sun exposure, skin tone, and lifestyle. ### Fitness & Heart Rate - [Heart Rate Zone Calculator](https://mywellnesscalc.com/tools/heart-rate-zone.html): Calculates all 5 training heart rate zones for fat burn, cardio, and peak performance based on age and resting heart rate. - [Zone 2 Heart Rate Calculator](https://mywellnesscalc.com/tools/zone-2-calculator.html): Finds exact Zone 2 training range for fat burning and aerobic base building using age and resting heart rate. - [MAF Heart Rate Calculator](https://mywellnesscalc.com/tools/maf-calculator.html): Calculates Maximum Aerobic Function heart rate using the Maffetone 180 Formula, adjusted for individual health and training status. - [Active Recovery Heart Rate Calculator](https://mywellnesscalc.com/tools/active-recovery-calculator.html): Calculates Zone 1 active recovery heart rate range — the low-intensity ceiling for rest-day movement that promotes circulation without adding training stress. - [Calories Burned by Heart Rate Calculator](https://mywellnesscalc.com/tools/calories-burned-by-heart-rate.html): Calculates calories burned based on heart rate, age, weight, and workout duration. - [One Rep Max Calculator](https://mywellnesscalc.com/tools/one-rep-max.html): Estimates maximum lift (1RM) for bench press, squat, deadlift and more using proven formulas with training percentages. - [Running Pace Calculator](https://mywellnesscalc.com/tools/running-pace.html): Calculates finish time, required pace, or distance for any race — 5K, 10K, half marathon, or marathon. ### Lifestyle - [Water Intake Calculator](https://mywellnesscalc.com/tools/water-intake.html): Personalised daily water intake recommendation based on weight, activity level, and climate. - [Sleep Cycle Calculator](https://mywellnesscalc.com/tools/sleep-calculator.html): Finds the best bedtime or wake-up time aligned with natural 90-minute sleep cycles. - [Intermittent Fasting Calculator](https://mywellnesscalc.com/tools/if-calculator.html): Sets fasting protocol (16:8, 18:6, 20:4, 5:2) and calculates exact eat and fast windows for any start time. - [Fasting Timer](https://mywellnesscalc.com/tools/fasting-timer.html): Real-time fasting tracker. Shows elapsed time, progress through fasting stages, and countdown to eating window. - [Intermittent Fasting Calculator for Women](https://mywellnesscalc.com/tools/if-calculator-women.html): Personalised fasting window for women based on lifestyle, hormonal phase, and goals. ## Articles ### Nutrition - [How Much Protein Do You Actually Need Per Day?](https://mywellnesscalc.com/blog/protein-how-much-do-you-need.html): How much protein you actually need based on goals, body weight, and activity level. - [How Much Protein Do Women Over 40 Actually Need?](https://mywellnesscalc.com/blog/protein-needs-women-over-40.html): Protein needs after 40, perimenopause, and menopause — what the research says. - [High Protein Foods: The Complete List](https://mywellnesscalc.com/blog/high-protein-foods.html): Best high-protein foods with exact protein amounts per serving — animal and plant-based sources. - [High Protein Breakfast Ideas for Women Over 40](https://mywellnesscalc.com/blog/high-protein-breakfast-women-over-40.html): Practical breakfasts hitting 30g+ protein to support muscle, metabolism, and hormonal health. - [High Protein Lunch Ideas for Women Over 40](https://mywellnesscalc.com/blog/high-protein-lunch-women-over-40.html): Why protein at lunch matters more than most people think, and 10 practical meals delivering 30g+. - [How to Calculate Your Ideal Calorie Deficit for Weight Loss](https://mywellnesscalc.com/blog/calorie-deficit-for-weight-loss.html): How to calculate the right calorie deficit for fat loss without losing muscle. - [How Long Does It Take to Lose Weight? A Realistic Timeline](https://mywellnesscalc.com/blog/how-long-to-lose-weight.html): Week-by-week expectations, why progress slows, and how to set realistic goals based on deficit size. - [Protein vs Carbs vs Fat: Which Macronutrient Should You Prioritise?](https://mywellnesscalc.com/blog/protein-vs-carbs-vs-fat.html): What each macronutrient does, how much you need, and which to set first depending on your goals. - [How to Calculate a Calorie Deficit for Weight Loss](https://mywellnesscalc.com/blog/how-to-calculate-calorie-deficit.html): Step-by-step guide to calculating TDEE, choosing deficit size, and setting a daily calorie target. - [How Much Fiber Per Day Do You Actually Need?](https://mywellnesscalc.com/blog/how-much-fiber-per-day.html): Daily fiber targets by age and gender, soluble vs insoluble fiber, best food sources, and signs of deficiency. - [Intermittent Fasting for Women Over 40: What Actually Works](https://mywellnesscalc.com/blog/intermittent-fasting-for-women-over-40.html): How hormonal changes affect fasting after 40, best protocols, what to avoid, and how to combine IF with exercise. - [Zone 2 Heart Rate by Age: Complete Reference Chart](https://mywellnesscalc.com/blog/zone-2-heart-rate-by-age.html): Zone 2 bpm targets for every decade from 20s to 70s using simple and Karvonen formula methods. - [TDEE vs BMR: What's the Difference and Why It Matters](https://mywellnesscalc.com/blog/tdee-vs-bmr.html): How to understand both calorie numbers and use them to reach your goals. - [Vitamin D Deficiency: Symptoms, Causes, and How Much You Need](https://mywellnesscalc.com/blog/vitamin-d-deficiency.html): Signs, causes, how much Vitamin D you actually need, and whether to supplement. - [How Much Vitamin D Do You Need Per Day? Dosage by Age and Situation](https://mywellnesscalc.com/blog/how-much-vitamin-d-do-you-need-daily.html): Recommended daily intake by age, sun exposure vs supplements, and signs of deficiency. - [Vitamin D and Exercise: How It Affects Performance, Recovery, and Muscle Function](https://mywellnesscalc.com/blog/vitamin-d-and-exercise.html): What the research says about vitamin D's role in muscle function, exercise recovery, injury risk, and aerobic capacity. - [What Is Metabolism — And Can You Actually Boost It?](https://mywellnesscalc.com/blog/what-is-metabolism.html): How metabolism works, what affects it, and which metabolism boosters are backed by evidence. - [Creatine: Do You Actually Need It?](https://mywellnesscalc.com/blog/creatine-do-you-need-it.html): An honest, research-backed look at what creatine does and who benefits. ### Fitness & Heart Rate - [What Is VO2 Max?](https://mywellnesscalc.com/blog/what-is-vo2-max.html): Complete guide to VO2 max — what it measures, why it predicts longevity, reference ranges by age and sex, how to measure it, and how to improve it. - [How to Improve VO2 Max](https://mywellnesscalc.com/blog/how-to-improve-vo2-max.html): Evidence-based training methods for improving VO2 max, including Zone 2, HIIT protocols (4x4 method), polarised training model, timelines by fitness level, and common mistakes. - [How Much of a Calorie Deficit Should You Have?](https://mywellnesscalc.com/blog/calorie-deficit-how-much.html): Evidence-based guidance on deficit size by starting body fat, goal, and situation. Covers metabolic adaptation, the role of protein, and how to adjust the deficit over time. - [Zone 2 Heart Rate Training for Beginners](https://mywellnesscalc.com/blog/zone-2-heart-rate-training-beginners.html): How to find your Zone 2 range, why it matters, and how to stay in it during workouts. - [Zone 2 Training Plan: An 8-Week Beginner Schedule](https://mywellnesscalc.com/blog/zone-2-training-plan.html): A concrete week-by-week Zone 2 schedule with session counts, durations, and progression guidance. - [How to Improve Your Zone 2 Fitness](https://mywellnesscalc.com/blog/how-to-improve-zone-2-fitness.html): Training structure, progress tracking, and how to break through common Zone 2 plateaus. - [MAF Training for Beginners](https://mywellnesscalc.com/blog/maf-training-for-beginners.html): Complete guide to MAF training using the Maffetone 180 Formula — how to calculate MAF heart rate and put it into practice. - [Active Recovery: What It Is, Why It Works, and How to Do It Right](https://mywellnesscalc.com/blog/active-recovery-heart-rate.html): Zone 1 training explained — what active recovery does in your body and how to structure a recovery session correctly. - [The Fat Burning Zone: Does It Actually Work for Weight Loss?](https://mywellnesscalc.com/blog/fat-burning-zone-explained.html): What the fat burning zone actually means, what the research says about weight loss, and how to use it effectively. - [Zone 2 vs HIIT: Which Is Better for Fat Loss?](https://mywellnesscalc.com/blog/zone-2-vs-hiit-fat-loss.html): What the research says about Zone 2 and HIIT for fat loss, and how to combine them. - [Fat Burning Heart Rate Zone: How to Calculate and Use It](https://mywellnesscalc.com/blog/fat-burning-heart-rate-zone.html): What the fat burning heart rate zone is, how to calculate it, and whether it actually helps lose fat. - [How Many Calories Do You Burn by Heart Rate Zone?](https://mywellnesscalc.com/blog/calories-burned-by-heart-rate-zone.html): Calories burned in each training zone — and why zone matters less than most people think. - [How Many Calories Do You Burn Walking?](https://mywellnesscalc.com/blog/calories-burned-walking.html): What affects calorie burn while walking and how to estimate it accurately. - [How to Build Muscle After 40](https://mywellnesscalc.com/blog/build-muscle-after-40.html): What the research says about training, protein, recovery, and hormone changes for building muscle after 40. - [Best Time to Exercise: Morning vs Evening](https://mywellnesscalc.com/blog/best-time-to-exercise.html): What the research says about workout timing, fat loss, performance, and consistency. - [One Rep Max Calculator Guide](https://mywellnesscalc.com/tools/one-rep-max.html): How to estimate your 1RM and use training percentages effectively. - [Is 10,000 Steps a Day Actually Enough?](https://mywellnesscalc.com/blog/10000-steps-a-day.html): Where the 10,000 steps target came from and what the research says about step counts and health. - [Running Pace Guide](https://mywellnesscalc.com/tools/running-pace.html): How to calculate and use pace targets for 5K, 10K, half marathon, and marathon training. ### Body & Health - [FFMI Calculator](https://mywellnesscalc.com/tools/ffmi-calculator.html): Calculate your Fat-Free Mass Index and normalized FFMI from weight, height, and body fat percentage — a better measure of muscularity than BMI. - [What Is FFMI? The Muscle Index BMI Doesn't Show You](https://mywellnesscalc.com/blog/what-is-ffmi.html): What FFMI measures, how it's calculated, what counts as a good score, and how it differs from BMI. - [FFMI vs BMI: Which Should Lifters Actually Trust?](https://mywellnesscalc.com/blog/ffmi-vs-bmi.html): A direct comparison of FFMI and BMI — when each metric is useful and where each one falls short. - [What Is a Healthy BMI?](https://mywellnesscalc.com/blog/what-is-a-healthy-bmi.html): What a healthy BMI range is, what the number tells you, and how to use it wisely. - [What Is a Healthy Body Fat Percentage?](https://mywellnesscalc.com/blog/healthy-body-fat-percentage.html): Healthy body fat ranges for men and women, and how to measure accurately. - [How to Lose Belly Fat: What the Science Actually Says](https://mywellnesscalc.com/blog/how-to-lose-belly-fat.html): What the research says about losing abdominal fat — what works and what doesn't. - [How to Break a Weight Loss Plateau](https://mywellnesscalc.com/blog/weight-loss-plateau.html): Why weight loss plateaus happen and evidence-based strategies to start losing again. - [Why You Hit a Weight Loss Plateau and How to Break It](https://mywellnesscalc.com/blog/why-weight-loss-plateau-how-to-break-it.html): Why plateaus happen despite eating well and exercising, and how to get moving again. ### Lifestyle - [Intermittent Fasting for Beginners: A No-Hype Guide](https://mywellnesscalc.com/blog/intermittent-fasting-beginners.html): How 16:8 works, what happens in your body during fasting, and how to start. - [How Much Water Should You Drink Per Day?](https://mywellnesscalc.com/blog/how-much-water-per-day.html): What the science says about daily water intake and how to find your personal target. - [Signs of Dehydration You Might Be Ignoring](https://mywellnesscalc.com/blog/signs-of-dehydration.html): Early, subtle signs of dehydration and what to do when you spot them. - [Sleep Cycles Explained](https://mywellnesscalc.com/blog/sleep-cycles-explained.html): What happens during each sleep stage and how to time your wake-up for better mornings. - [How Much Sleep Do You Actually Need?](https://mywellnesscalc.com/blog/how-much-sleep-do-you-need.html): Optimal sleep duration by age, sleep debt, and how to tell if you're getting enough.