Health & Fitness Calculators
Body metrics, training, and wellness calculators for quick scenario checks and daily decision support.
This category page is the primary index for health & fitness tools on MCPCalc. Use it to compare calculators by intent and jump directly to the one that fits your scenario.
Available Calculators
Blood Alcohol Calculator
Estimate BAC from drinks consumed, body weight, sex, and elapsed time.
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BMI Calculator
Calculate your Body Mass Index (BMI) using height and weight. Provides BMI category and healthy weight range.
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BMR Calculator
Estimate basal metabolic rate (resting calorie burn) using the Mifflin-St Jeor equation.
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Body Fat Percentage Calculator
Estimate body fat percentage using the U.S. Navy circumference method.
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Calorie Deficit Calculator
Estimate target calories and timeline based on body weight goal and daily deficit.
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Calories Burned Calculator
Estimate calories burned from activity MET, duration, and body weight.
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Cycling Power Calculator
Estimate required cycling power from speed, rider mass, and road grade.
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Due Date Calculator
Estimate pregnancy due date based on first day of the last menstrual period.
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Heart Rate Zones Calculator
Calculate training zones using the Karvonen method.
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Ideal Weight Calculator
Estimate ideal body weight range from height using BMI-based targets.
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Intermittent Fasting Calculator
Determine fasting and eating windows from your selected protocol and start time.
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Kidney Function (eGFR) Calculator
Estimate eGFR using CKD-EPI 2021 creatinine equation.
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Lean Body Mass Calculator
Estimate lean body mass from weight and body fat percentage.
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Macro Split Calculator
Convert calorie targets into grams of protein, carbs, and fat using macro ratios.
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Medication Dosage Calculator
Reference dosage range from weight and mg/kg prescription guidance.
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Medication Schedule Checker
Check timing overlap risk between two repeating medication schedules.
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Menstrual Cycle Tracker
Estimate next period and fertile windows using min/max cycle lengths for irregular cycles.
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One Rep Max Calculator
Estimate 1RM from lifted weight and repetitions using the Epley formula.
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Ovulation Calculator
Estimate ovulation and fertile window from cycle length and last period date.
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Pace Calculator
Calculate running pace from distance and finish time.
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Protein Needs Calculator
Estimate daily protein intake based on body weight and activity goal.
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Running Race Predictor
Predict race times at common distances using a known result and Riegel scaling.
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Steps to Distance Calculator
Convert step count to walking distance based on stride length.
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Swimming Pace Calculator
Calculate swim pace per 100m from total distance and time.
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Target Heart Rate Workout Planner
Compute target training zone and total time in zone for a planned workout.
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TDEE Calculator
Estimate total daily energy expenditure based on BMR and activity level.
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VO2 Max Estimator
Estimate VO2 max from resting and maximum heart rate.
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Waist-to-Hip Ratio Calculator
Compute waist-to-hip ratio and basic cardiometabolic risk band.
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Water Intake Calculator
Estimate daily hydration target from weight, activity, and climate.
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