Loading
Estimate your daily calorie needs (BMR + TDEE) based on activity level.
ProductivityEnter your age, height, weight, and biological sex.
Select the activity level that best describes your average week.
Choose your goal: lose, maintain, or gain weight.
Read your BMR, TDEE, and recommended daily calorie target.
Use the result as a starting point and adjust after 2â3 weeks of tracking.
Find your daily calorie deficit target to lose 0.5 kg per week safely.
Calculate the calorie surplus needed to support muscle growth during training.
Use TDEE as the base to set protein, carb, and fat targets for macro tracking.
Understand how many calories to eat each day to maintain your current weight.
Estimate your BMR, TDEE, and daily calorie target for weight loss, maintenance, or gain â using the Mifflin-St Jeor equation. Useful for anyone starting a fitness journey, tracking macros, or planning meals.
Convert between Thai Buddhist Era (āļ.āļĻ.) and Gregorian (āļ.āļĻ.) calendar years instantly.
Calculate your exact age in years, months, and days from your date of birth.
Validate Thai national ID card numbers using the official checksum algorithm.
Set a countdown timer for your activities with notifications.
Generate strong and secure passwords locally on your device.
Check current time across different cities worldwide.