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AI Fitness Diet Planner

AI Fitness Diet Planner from Gizcalc helps you estimate results quickly within the Smart Planning Tools category.

  • Instant results
  • Charts & tables
  • Save & compare
  • Private – runs in your browser
Training-Day Calories —

Sample inputs are pre-filled so you can see a result quickly. Results are estimates only and may not be accurate because prices, interest rates, taxes, fees, fuel costs, tariffs, market returns, medical costs, and local rules can change. Please verify current values before making financial, tax, legal, medical, or business decisions.

Formula used

Training day = (1.2 × BMR + Step calories + Workout calories) × Goal factor

  • Workout calories = MET × weight × hours (strength 5, mixed 6, cardio 7)
  • Protein = 1.8–2.0 g per kg

About the AI Fitness Diet Planner

What is the AI Fitness Diet Planner?

This fitness diet planner sets different calories and carbs for training and rest days, based on how much you actually move.

It also suggests a weekly training split for the number of days you train.

How to use the AI Fitness Diet Planner

  1. Sex (sample: Male)
  2. Age (sample: 30)
  3. Height (cm) (sample: 175)
  4. Weight (kg) (sample: 75)
  5. Goal (sample: Lose fat)
  6. Training Days a Week (sample: 4)
  7. Minutes per Session (sample: 60)
  8. Training Type (sample: Strength / weights)
  9. Average Daily Steps (sample: 6,000)
  10. Press Build Fitness Diet Plan (results also refresh as you type). The result card shows the Training-Day Calories, along with Rest-day calories, Protein, Fat and Carbs on training days.

Formula used

Training day = (1.2 × BMR + Step calories + Workout calories) × Goal factor

  • Workout calories = MET × weight × hours (strength 5, mixed 6, cardio 7)
  • Protein = 1.8–2.0 g per kg

Worked example

These are the sample values already filled in the calculator above, and the result it returns for them:

InputSample value
SexMale
Age30
Height (cm)175
Weight (kg)75
GoalLose fat
Training Days a Week4
Minutes per Session60
Training TypeStrength / weights
ResultValue
Training-Day Calories2,137 kcal
Rest-day calories1,837 kcal
Protein150 g/day
Fat60 g/day
Carbs on training days249 g
Carbs on rest days174 g
Calories burned per session375 kcal
Expected weight change-0.46 kg/week

Tips for using the AI Fitness Diet Planner

  • Eat most of your carbs around training for better sessions and recovery.
  • Track your weight weekly and adjust calories by 100–200 kcal if progress stalls.

Frequently asked questions

Yes – matching carbs to activity supports performance while keeping the weekly total on target.

About 1.6–2.2 g per kg of body weight a day.

Losing fat and gaining muscle at the same time, usually with a small deficit and high protein.