๐ Health & Fitness
Calorie Deficit Calculator
One kilogram of body fat stores roughly 7,700 kilocalories. Dividing the total energy you need to remove by the number of days available gives the daily deficit, and subtracting that from your maintenance intake gives your daily target.
How it works
Current weight
Target weight
Time available
Maintenance calories
Daily calorie target
Daily deficit
Weekly weight change
Total weight change
Frequently asked questions
How do I use the Calorie Deficit Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.