What it measures
A calorie deficit is the difference between estimated energy intake and estimated energy use. It does not account for all of the factors that affect weight change.
05Educational calculator
Energy planning
Calorie Deficit Calculator
Compare an estimated maintenance intake with an illustrative daily energy difference. This is arithmetic, not a meal plan.
Estimated TDEE − daily difference
Read the result in context
A daily difference is not a complete plan for change.
What it means
Sustainable weight change is individual. This estimate should not replace clinical, nutrition, or mental-health guidance, especially if eating has become stressful or restrictive.
Source note
This calculator uses a commonly referenced educational method. Review the underlying source before acting on a result.
CDC Healthy Weight resourcesMove at a workable pace
A plan should fit the life around it.
Care can make room for appetite, sleep, strength, stress, health history, and what a clinician considers appropriate.
Keep exploring