Live Healthy, Live Better

Your Guide to a Healthier Life

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

Health Rovia Wellness Guide
Small changes, big results.

BMI Calculator

Check your Body Mass Index

cm
kg

Free Health & Fitness Calculators

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

Browse All 20 Tools →
Fitness & Weight

BMI Calculator

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

Use Tool →
Women's Health

Ovulation Calculator

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

Use Tool →
Fitness & Weight

TDEE Calculator

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

Use Tool →
Women's Health

Pregnancy Due Date

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

Use Tool →
Daily Wellness

Water Intake Calculator

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

Use Tool →
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.

Use Tool →
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).

Use Tool →
Fitness & Weight

Ideal Weight Calculator

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

Use Tool →
Heart & Cardio

Target Heart Rate

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

Use Tool →
Daily Wellness

Intermittent Fasting

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

Use Tool →
Daily Wellness

Biological Age

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

Use Tool →
Fitness & Weight

Waist-to-Hip Ratio

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

Use Tool →
Heart & Metabolic

Blood Sugar Converter

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

Use Tool →
Fitness & Weight

Body Fat Calculator

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

Use Tool →
Fitness & Weight

BMR Calculator

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

Use Tool →
Heart & Metabolic

Blood Pressure Checker

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

Use Tool →
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.

Use Tool →
Nutrition & Diet

Protein Calculator

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

Use Tool →
Nutrition & Diet

Net Carbs Calculator

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

Use Tool →
Daily Wellness

Stress Score Test

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

Use Tool →

Frequently Asked Questions

What is HealthRovia?

HealthRovia is a health and wellness website with evidence-based guides on nutrition, fitness, mental health, sleep, and healthy recipes, plus free health calculators.

Are the health calculators free to use?

Yes — all 20 health and fitness calculators on HealthRovia are completely free, with no sign-up required.

Is HealthRovia's content medically reviewed?

Our articles are evidence-based, fact-checked, and written for general wellness education. They are not a substitute for professional medical advice — see our Medical Disclaimer page.

What topics does HealthRovia cover?

We cover nutrition, fitness and workouts, mental health, sleep health, healthy recipes, and everyday wellness guides.

How often is new content published?

We publish new health guides and articles regularly — subscribe to the newsletter below to get the latest.

Subscribe to Our Newsletter

Get the latest health tips and articles delivered to your inbox.