Calorie Calculator: Macros

NFM Apps

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About this app

Stop guessing how much you should eat.

Enter your height, weight, age and activity level, and get your basal metabolic
rate (BMR), total daily energy expenditure (TDEE), and a daily calorie target for
losing, maintaining or gaining weight. You also get carbs, protein and fat in
grams, so you know exactly what today should look like.

■ Daily calorie target
· BMR, TDEE and your target calories on one screen
· Three BMR formulas — Mifflin-St Jeor, Harris-Benedict, Katch-McArdle
· Five activity levels, from sedentary to very active
· Goals of −500 / −250 kcal, maintain, or +250 / +500 kcal
· Estimated weekly weight change if you hit the target

■ Macros
· Your target split into carbs, protein and fat in grams
· Four presets — balanced, low-carb, high-protein, keto
· Custom sliders to set your own ratio
· A clear donut chart

■ BMI and healthy weight
· Body Mass Index with the four WHO categories
· The healthy weight range for your height

■ Reverse goal planning
· Enter a goal weight and a target date — like "65 kg in three months" —
and see the daily calorie change needed to get there

■ Meal log
· Log what you ate today and watch the remaining-calorie ring
· Save foods you eat often as favourites and add them with one tap
· Entries roll over automatically when the day changes

■ Weight log and trends
· Log, edit and delete weight by date, with notes and note search
· Extra metrics: body-fat percentage and waist circumference
· Filter by 7 / 30 / 90 days or all time
· A trend chart with a goal line and a moving average

■ Stats
· Weekly average change, highest and lowest weight, logging streak
· Entries by weekday, a yearly heatmap, and goal attainment rate

■ Small things that make it pleasant
· Switch units: kg ↔ lb, cm ↔ ft/in
· Tap any stepper value to type a number directly
· A daily reminder to log your weight
· Backup and restore — JSON export/import and CSV export
· Turn your results into a shareable card image
· Light / dark / system theme and six accent colours
· English and Korean

■ Your data never leaves your phone
No sign-up, no login. Everything you enter stays in local storage on your device.
Nothing is sent to any server — not even the developer's — and every calculation
and record works fully offline.

■ Who it is for
· Anyone starting a diet who does not know their daily calorie number
· Anyone bulking who wants to know how much protein to eat
· Anyone who wants the numbers fast, without a heavyweight nutrition app
· Anyone who wants to watch their weight trend over time

Note: this app is a reference tool based on published statistical formulas
(Mifflin-St Jeor and others) and is not medical advice. If you have a medical
condition, are pregnant, or are still growing, please consult a professional.

Contact: [e-mail]

What’s new

The first release of Calorie Calculator.

· BMR, TDEE and your daily calorie target
· 3 BMR formulas, 5 activity levels, lose/maintain/gain
· Macros in grams, 4 presets plus custom sliders
· BMI, healthy range, goal-by-date planning
· Meal log with a remaining-calorie ring
· Weight log with notes, filters, trend chart
· Stats: weekly change, streaks, heatmap
· Reminder, JSON/CSV backup, share card
· kg/lb, cm/ft, dark theme, 6 accent colours
· Works offline; data stays on your device