What the deficit is showing
A calorie deficit means taking in less energy than your body uses. This tool uses the common 3,500-calories-per-pound estimate to model the size of the gap.
Free tools
Calorie Deficit Calculator
Model a sustainable deficit range instead of guessing how aggressively to cut calories.
Enter your detailsCalorie Deficit Calculator
Your result1,900 calories/day500 calorie daily deficit
Very low calorie targets should be supervised by a clinician.
Why the target may need to move
As weight changes, maintenance calories often change too. Hunger, training, GLP-1 response, side effects, and adherence can all shift the real-world target.
Use the result as context, not a diagnosis.
Save the number, compare it with your goals, and bring it into the Caliber intake. A clinician-reviewed plan can account for medical history, medications, tolerability, and whether online weight-loss care is appropriate.
Review a clinical plan