Free fitness tool

Calorie Calculator for Weight Loss, Muscle Gain, and Maintenance

Estimate daily calories, maintenance calories, and goal-aware targets, then turn the result into a personalized ZenFit AI workout and meal plan.

Inputs

  • sex
  • age
  • height
  • weight
  • activity level
  • goal

Outputs

  • BMR estimate
  • maintenance calories
  • goal calories
  • macro starting point
Turn this into a plan