Feast Factor
Harris–Benedict engine

Dial in your
daily macros.

Precision nutrition targets — calories, protein, carbs and fat — calculated from your body, activity level and goal. No sign-up, instant results.

01

Your profile

Biological sexused by the BMR formula
Ageyears
Weight
Height
02

Activity & goal

Activity levelLittle or no exercise
GoalCut roughly 500 kcal per day
03

Macro split

auto-balanced
Protein
40%
Carbs
40%
Fat
20%

Estimates only — not medical advice.

Feast Factor · 2026