Enter Your Details
Example Data Table
| Person | Maintenance | Daily Deficit | Target Calories | Estimated Loss |
|---|---|---|---|---|
| Moderate activity adult | 2,450 | 500 | 1,950 | About 1 lb weekly |
| Light activity adult | 2,050 | 350 | 1,700 | About 0.7 lb weekly |
| Very active adult | 3,050 | 650 | 2,400 | About 1.3 lb weekly |
Formula Used
BMR, men: 10 × weight kg + 6.25 × height cm - 5 × age + 5
BMR, women: 10 × weight kg + 6.25 × height cm - 5 × age - 161
TDEE: BMR × activity factor + extra exercise calories
Daily deficit from goal: weight loss kg × 7700 ÷ total days
Calories eaten target: TDEE - daily deficit
Macro calories: protein and carbs use 4 calories per gram. Fat uses 9 calories per gram.
How to Use This Calculator
- Select your unit system first.
- Enter age, sex, height, current weight, and goal weight.
- Choose the activity level that matches your usual week.
- Add extra exercise calories only when they are not included in activity.
- Pick a goal mode, then enter weeks, deficit, or weekly loss.
- Adjust protein, fat percentage, calorie floor, and rounding.
- Press calculate and read the result above the form.
- Download the result as a CSV or PDF when needed.
Understanding Your Daily Calorie Target
Why Calories Eaten Matter
Weight loss starts with energy balance. Your body burns calories through rest, movement, digestion, and planned exercise. When eaten calories stay below burned calories, stored energy can cover the gap. This calculator turns that idea into a clear daily target. It uses your body size, age, sex, activity, exercise, goal weight, and timeline. It then estimates how many calories you can eat while moving toward your goal.
A Useful Daily Target
A good target should be realistic. Very large cuts can feel hard. They can also make meals less balanced. A smaller deficit may take longer, but it often feels easier to follow. The tool shows your estimated maintenance calories first. That number helps you understand your current balance. It then subtracts the needed deficit for your selected plan. When the result falls below your chosen safety floor, the calculator flags it. That reminder helps you adjust your timeline.
More Than One Number
Daily calories are only one part of a useful plan. Protein, fat, and carbohydrates also matter. Protein supports fullness and lean tissue during weight loss. Dietary fat supports hormones and helps meals feel satisfying. Carbohydrates fuel training, walking, work, and daily focus. The calculator gives a macro guide after finding your calorie target. You can change protein and fat settings to match your eating style.
Using Goals Wisely
Goal weight and timeline should work together. Losing more weight in less time creates a larger daily deficit. That may not fit your schedule, appetite, or training needs. A longer plan lowers the needed deficit. It can make normal meals easier. Use the weekly loss estimate to judge the pace. Many people prefer a steady pace instead of aggressive cuts.
Activity And Exercise
Activity settings can change the result a lot. Choose the level that matches your normal week. Do not pick a high level only because you want faster results. Add only exercise calories you truly repeat most days. This keeps the target practical. If your weight trend stalls for several weeks, review your activity estimate, food tracking, sleep, and weekend meals.
Practical Meal Planning
After you calculate the target, build meals around familiar foods. Spread protein across the day. Add vegetables, fruit, grains, beans, dairy, or other staples you enjoy. Track portions for a short time to learn patterns. Compare your average intake with the target, not one perfect day. Weight can move up and down from water, salt, stress, and digestion. Look at weekly trends. For medical conditions, pregnancy, eating disorder history, or medication changes, ask a qualified professional before using a calorie deficit.
Review And Adjust
No calculator can know every detail. Use it as a starting point. Weigh in under similar conditions. Track averages, not single readings. After two to four weeks, compare progress with the estimate. Raise or lower calories slowly when the trend shows a real pattern clearly.
FAQs
What does calories eaten to lose weight mean?
It means the daily calorie amount you can eat while staying below your estimated maintenance calories. The gap is your deficit. A steady deficit can support weight loss over time.
Which formula does this calculator use?
It uses the Mifflin St Jeor equation for BMR. Then it multiplies BMR by an activity factor and adds extra exercise calories when entered.
Is the 7700 calorie rule exact?
No. It is an estimate often used for planning. Real weight change can differ because metabolism, water weight, adherence, and activity can shift over time.
Why is my result raised to a minimum floor?
The calculator includes a calorie floor to avoid very low targets. You can enter a custom floor. Seek professional advice before using a very low calorie plan.
Should I add exercise calories?
Add them only when your selected activity level does not already include that exercise. Double counting exercise can make the eating target too high.
How often should I update my numbers?
Update the calculator after meaningful weight changes, activity changes, or diet changes. Many people review their target every two to four weeks.
Can I use pounds instead of kilograms?
Yes. Choose the imperial unit option. Enter height in inches and weight in pounds. The calculator converts values internally for the formula.
Why are macros included?
Macros help turn a calorie target into meals. Protein, carbs, and fat affect fullness, training, energy, and meal structure. They are guides, not strict rules.
What if my goal weight is higher?
If your goal weight is not lower than current weight, the goal mode does not apply a loss deficit. Use manual deficit mode if needed.
Why does my weight change daily?
Daily weight can change from water, salt, digestion, stress, sleep, and training. Weekly averages usually show trends better than single weigh-ins.
Is this calculator medical advice?
No. It is an educational planning tool. People with medical conditions, pregnancy, medication changes, or eating disorder history should consult a qualified professional.