Use a wearable fitness tracker or smartwatch to estimate calories burned
Check the exercise machine’s calorie display, if available
Use a heart rate monitor with a calorie estimate feature
Use an online calorie burn calculator
Calculate based on MET values, body weight, and exercise duration
Track your basal metabolic rate and add activity calories
Use a fitness app that estimates calories from your activity data
Compare results across multiple methods for a more accurate estimate
Adjust estimates using your age, sex, weight, and workout intensity