❤️ Free Online Health Tools
Free online health calculators and tools. BMI calculator, calorie counter, water intake tracker, and more. Stay healthy with accurate calculations.
23 free toolsHow to Use These Tools
- Choose a tool from the list above that matches your needs.
- Click "Use Now" to open the tool in a new page.
- Follow the tool-specific instructions to process your data.
- Copy or download the results — all processing happens in your browser!
BMR Calculator - Basal Metabolic Rate
Free online BMR (Basal Metabolic Rate) calculator. Calculate your daily resting calorie burn based on age, gender, height, and weight. Supports both M
Use Now →Body Fat Calculator
Calculate body fat percentage using the U.S. Navy Method. Enter height, neck, waist measurements to get BF%, fat mass, lean body mass. Client-side onl
Use Now →Breathing Exercise
Guided breathing exercises with 4-7-8, box breathing (4-4-4-4), and deep belly breathing. Animated visual guide, custom duration, sound cues. Works of
Use Now →Calorie Tracker
Free online calorie tracker for daily food and nutrition logging. Built-in common food database with customizable entries. Auto-calculates total calor
Use Now →Calories Burned Calculator
Free online calories burned calculator. Estimate calories burned during 100+ exercises using MET values. Running, swimming, cycling, yoga, jump rope,
Use Now →Color Blindness Test
Free online color blindness test based on Ishihara plates. Screen for red-green, blue-yellow, and total color blindness. Canvas-based, no install need
Use Now →Daily Affirmation Generator - Positive Mindset Cards - Free Online
Free online daily affirmation generator. Get random positive affirmations with beautiful cards. Customizable and savable. Client-side only with local
Use Now →Due Date Calculator
Estimate your pregnancy due date using LMP or conception date. Shows gestational age, trimester, pregnancy progress, and important milestones.
Use Now →Gratitude Journal
Free online gratitude journal. Record three things you're grateful for daily. Browse by date, search history, and export. All data stored locally in y
Use Now →Hearing Test
Free online hearing test. Evaluate your hearing range by playing sounds at different frequencies and volumes. Supports left/right ear testing with aud
Use Now →Ideal Weight Calculator
Calculate ideal body weight using Devine, Hamwi, Miller, and Robinson formulas. Includes BMI healthy weight range and frame size adjustments.
Use Now →Intermittent Fasting Timer
Free online intermittent fasting timer. Supports 16:8, 18:6, 20:4 and custom schedules. Track fasting windows and view progress. All local.
Use Now →Interval Timer
Free online interval timer for HIIT, Tabata, running and circuit training. Customize work/rest durations and rounds. Features sound alerts and visual
Use Now →Meal Planner
Free online weekly meal planner. Plan breakfast, lunch, dinner, snacks for the week. Generate shopping lists. All data stored locally.
Use Now →Mood Tracker
Free online mood tracker. Log daily emotions with 5 levels and notes. View monthly mood calendar and emotional patterns.
Use Now →Online Daily Journal - Free Private Diary & Mood Tracker
Free online daily journal and mood tracker. Markdown support, mood tags, full-text search, password protection. 100% client-side, data never uploaded
Use Now →Ovulation Calculator
Free online ovulation calculator. Predict ovulation day, fertile window, safe period, and next period based on your last menstrual period. Privacy-saf
Use Now →Period & Ovulation Calculator
Free online period and ovulation calculator. Track your menstrual cycle, predict next period, ovulation window, fertile days, and safe period. Client-
Use Now →Recipe Nutrition Analyzer - Free Online Food Nutrition Calculator
Free online recipe nutrition analyzer. Calculate calories, protein, carbs, and fat for any recipe. Built-in food database with 500+ common ingredients
Use Now →TDEE Calculator - Total Daily Energy Expenditure
Free online TDEE (Total Daily Energy Expenditure) calculator. Based on BMR and activity level, calculate daily calorie needs. Supports weight loss, mu
Use Now →Vision Test
Free online vision test with standard Snellen chart and Tumbling E chart. Supports different testing distances and adjustable chart sizes. Perfect for
Use Now →Water Intake Calculator
Calculate daily water intake needs based on weight, exercise, and climate. Get personalized hydration recommendations. Client-side only, supports mult
Use Now →Workout Generator - Free Online Exercise Plan Creator
Free online workout generator and exercise plan creator. Generate personalized gym or home workout routines for muscle building, fat loss, or toning.
Use Now →Frequently Asked Questions
How accurate are the health calculators?
Our health calculators use standard medical formulas (e.g., Mifflin-St Jeor for calories, standard BMI formula). They provide good estimates but should not replace professional medical advice.
Should I use these for medical decisions?
These tools provide estimates for informational purposes. Always consult a healthcare professional for medical decisions.