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Your Guide to a Healthier Life

Evidence-based health tips and practical advice to help you and your family live a longer, healthier life.

Health Rovia Wellness Guide
Small changes, big results.

BMI Calculator

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Free Health & Fitness Calculators

20 evidence-based physiological and medical calculation tools to track your wellness.

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Fitness & Weight

BMI Calculator

Calculate your Body Mass Index (BMI) to understand your weight category and overall body composition risk.

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Women's Health

Ovulation Calculator

Predict your most fertile days and estimated ovulation date to maximize conception chances or track cycle regularity.

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Fitness & Weight

TDEE Calculator

Find your daily energy expenditure and calculate target calories for healthy weight loss (deficit) or muscle growth (surplus).

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Women's Health

Pregnancy Due Date

Calculate your baby's estimated due date using Naegele's rule and track your pregnancy progression by trimester.

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Daily Wellness

Water Intake Calculator

Discover your personalized daily hydration requirement in liters, milliliters, and 8-ounce glasses.

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Daily Wellness

Sleep Cycle Calculator

Calculate optimal sleep and wake times based on natural 90-minute sleep cycles and 15 minutes average time to fall asleep.

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Fitness & Weight

Macro Calculator

Break down your daily calorie target into exact gram targets for Protein (4 kcal/g), Carbs (4 kcal/g), and Healthy Fats (9 kcal/g).

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Fitness & Weight

Ideal Weight Calculator

Compare 5 validated medical formulas to determine your optimal target weight range for longevity and health.

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Heart & Cardio

Target Heart Rate

Optimize your cardio workouts by training in the right heart rate zone for maximum fat loss or cardiovascular endurance.

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Daily Wellness

Intermittent Fasting

Select your fasting protocol and starting time to visualize your eating window, fat-burning zone, and autophagy schedule.

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Daily Wellness

Biological Age

Assess how fast your body is aging relative to your calendar years and receive practical longevity recommendations.

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Fitness & Weight

Waist-to-Hip Ratio

A superior predictor of heart disease and diabetes compared to BMI alone by measuring abdominal fat distribution.

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Heart & Metabolic

Blood Sugar Converter

Instantly convert blood glucose readings between US (mg/dL) and International (mmol/L) units with instant clinical status evaluation.

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Fitness & Weight

Body Fat Calculator

Calculate body fat percentage accurately using simple tape measurements of your neck, waist, and hips.

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Fitness & Weight

BMR Calculator

Understand the foundational calories your body requires to support vital organ function at rest.

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Heart & Metabolic

Blood Pressure Checker

Assess your cardiovascular health by evaluating systolic and diastolic blood pressure against American Heart Association standards.

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Fitness & Weight

Steps to Calories

Calculate how many calories you burn from walking and find the exact distance covered based on your step count and pace.

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Nutrition & Diet

Protein Calculator

Determine your ideal daily protein targets in grams, per-meal distribution, and amino acid threshold based on your fitness goals.

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Nutrition & Diet

Net Carbs Calculator

Calculate impactful net carbohydrates to maintain nutritional ketosis or manage glycemic blood sugar response.

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Daily Wellness

Stress Score Test

Evaluate your emotional and physiological stress load using the scientifically validated Perceived Stress Scale.

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