Health, Fitness & Wellness Calculators
Calculate BMR/TDEE daily calories, BMI, heart rate training zones, and track daily habits
Tools in This Collection
BMR & TDEE Calculator
Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) with the Mifflin-St Jeor equation
BMI Calculator - Body Mass Index Calculator & Health Assessment
Free BMI calculator to check your Body Mass Index. Calculate BMI instantly with metric or imperial units. Get health category classification and BMI chart.
Heart Rate Zone Calculator - HR Training Zones
Calculate your 5 training heart rate zones from age and resting pulse. Supports percent-of-max-HR and Karvonen heart rate reserve methods.
Pomodoro Timer
Boost focus and productivity with this customizable Pomodoro timer.
Habit Tracker
Track your daily habits, build streaks, and visualize your progress.
Countdown Timer
Set a countdown timer with hours, minutes, and seconds. Get notified when time is up with sound and visual alerts. Perfect for cooking, workouts, exams, and presentations.
Stopwatch
Free online stopwatch with lap timing and split times
Why This Collection
We curated this collection by combining the best tools for learning to match your needs.
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Last updated: October 29, 2026