Know your
numbers.
Personalized daily calories, macros, and body stats from proven formulas - plus AI meal plans built to hit them. For people who train.
3
Proven formulas
5
Activity levels
∞
AI meal plans
/ Features
Everything you need to dial it in
Fuelly turns a few numbers about you into a complete, science-backed nutrition plan - no spreadsheets, no guesswork.
Calorie Targets
Your exact daily intake from BMR, activity, and goal - deficits safely capped.
Macro Splits
Balanced, high-protein, low-carb, keto - or dial in a fully custom ratio.
AI Meal Plans
A full day of meals generated to land on your calorie and macro targets.
Body Stats
BMI, ideal weight range, lean body mass, protein-per-kg, fiber and water.
What-If Simulator
Drag activity, goal, and weight to watch your numbers update live.
3 Proven Formulas
Mifflin-St Jeor, Harris-Benedict, and Katch-McArdle - your call.
/ How it works
Get started in minutes
01
Enter your stats
Age, sex, height, weight, goal - three quick steps in metric or imperial.
02
Get your targets
Instant calories, macros, BMI and a progress forecast on a clean dashboard.
03
Fuel your day
Generate an AI meal plan, run what-ifs, and export or share your plan.
/ The dashboard
Powerful features, real progress
Daily calories
2,340
kcal / day
Protein
186g
Carbs
220g
Fat
65g
Macro breakdown
AI meal plan
- 🍳 Breakfast520 kcal
- 🥗 Lunch680 kcal
- 🍽️ Dinner740 kcal
- 🍎 Snack400 kcal
What-if simulator
Drag activity, goal, or body weight and every number on your dashboard updates instantly - no recalculating.
Ready to know your numbers?
Three quick steps. No account, no cost. Get your targets and a meal plan in under a minute.