Daily Calorie Calculator — Health & Fitness — Zapit

Daily Calorie Calculator

Calculate daily calorie intake based on activity level and goal.

Your goal

Fill in your details to get your calorie target

Note: Calorie needs are estimates based on the Mifflin-St Jeor equation. Individual metabolism varies. Do not go below 1200 kcal/day without medical supervision.

Calculate exactly how many calories you need each day based on your body metrics, activity level, and weight goal. Get your TDEE, a calorie target, a suggested macro breakdown, and an estimated timeline to your goal weight — all in one tool.

Key Features

Five activity levels
From sedentary desk worker to twice-daily athlete — select the level that matches your lifestyle for an accurate TDEE.
Five goal presets
Choose from Lose Fast (−1000 kcal), Lose (−500 kcal), Maintain, Gain Muscle (+300 kcal), or Gain Fast (+500 kcal) with one click.
Macro breakdown
Your target calories are split into protein, carbs, and fat grams using a balanced 30/40/30 ratio.
Goal weight timeline
Enter a goal weight to see an estimated number of weeks to reach it based on your current calorie deficit or surplus.

How to Use

  1. 1Enter your biological sex, age, weight, height, and activity level.
  2. 2Choose your goal from the preset buttons.
  3. 3Your daily calorie target and macro breakdown appear instantly.
  4. 4Optionally enter a goal weight to see a timeline estimate.

Frequently Asked Questions