Weight Loss Calculator – Calculate a Calorie Deficit

Calculate the calorie deficit you need to lose weight using the calculator below.

Your Goals:

Daily Calorie Requirements:

Maintain Current Weight: 
Reach Goal Weight: 
Maintain Goal Weight: 
Your body needs at least 1,200 - 1,500 calories per day.[1]

Infographic showing how to calculate a calorie deficit to lose weight


  1. Harvard Medical School, Calorie counting made easy, Harvard Health Publishing, https://www.health.harvard.edu/staying-healthy/calorie-counting-made-easy