Calculate Your Daily Macros
Enter your details for a practical daily starting point.
Example Daily Macro Targets
These sample figures show how calorie targets can distribute among daily macros.
| Daily calories | Protein | Fat | Carbohydrates | Fibre guide |
|---|---|---|---|---|
| 1,400 kcal | 120 g | 39 g | 141 g | 25 g |
| 1,600 kcal | 130 g | 44 g | 163 g | 25 g |
| 1,800 kcal | 140 g | 50 g | 185 g | 25 g |
| 2,000 kcal | 150 g | 56 g | 224 g | 28 g |
Formula Used
BMR: (10 × weight in kg) + (6.25 × height in cm) − (5 × age) − 161
Maintenance calories: BMR × activity multiplier
Daily calorie target: maintenance calories − daily deficit
Macros: protein calories ÷ 4, fat calories ÷ 9, remaining calories ÷ 4 for carbohydrates.
The calculator uses the Mifflin–St Jeor equation for adult women. It converts your selected weekly pace into a daily energy deficit using 7,700 kcal per kilogram as an estimate. Results are rounded for meal planning.
How to Use This Calculator
- Choose metric or imperial measurements.
- Enter your current weight, height, and age.
- Select the activity level that reflects most weeks.
- Choose a gradual weekly pace and macro preferences.
- Press Calculate Macros to view daily targets above the form.
- Track averages for two to four weeks before making small changes.
Macro Planning for Sustainable Weight Loss
Macro targets give a practical structure for losing weight. They turn daily calories into protein, fat, and carbohydrate goals. That structure can make meals easier to plan. It can also reveal patterns that slow progress. The goal is not perfect tracking. The goal is a repeatable routine that supports energy, fullness, and gradual change.
Start With Calories
Calories create the overall energy target. A moderate deficit encourages the body to use stored energy over time. Large cuts may feel tempting. They can also increase hunger, fatigue, and inconsistent eating. Start with a realistic target. Keep it long enough to learn how your body responds. Adjust only after reviewing several weeks of reliable data.
Use Protein Strategically
Protein matters during weight loss. It supports muscle maintenance and can improve fullness after meals. Spread protein across breakfast, lunch, dinner, and snacks. Choose foods you enjoy and can afford. Eggs, yogurt, beans, fish, poultry, tofu, and lean meats can all help. A target is useful. Variety still matters. Pair protein with fiber-rich foods when possible. This combination can keep meals satisfying for longer. Aim for regular meals if that helps you avoid intense hunger later. Choose a rhythm that fits work, family, training, and appetite each day.
Keep Enough Dietary Fat
Dietary fat supports normal body functions and meal satisfaction. Include sources such as olive oil, nuts, seeds, avocado, eggs, and oily fish. Fat is calorie dense. Small portions can add up quickly. Measuring oils, spreads, and snacks can improve accuracy. Do not remove fat completely. Use the daily target as a flexible budget.
Let Carbohydrates Fill the Gap
Carbohydrates fill the remaining calories after protein and fat. They support training, walking, work, and recovery. Choose high-fiber choices often. Fruit, vegetables, oats, beans, potatoes, rice, and whole grains are useful options. Carbohydrates do not prevent fat loss. Your overall intake and consistency matter more.
Review Real-World Feedback
A food scale can improve learning during the first weeks. It is not required forever. Compare portions with the targets, then notice hunger, mood, sleep, digestion, and gym performance. Track body weight under similar conditions. Weekly average weight is more useful than one daily number. Measurements and clothing fit can provide extra context.
Plan meals around protein first. Add colorful produce next. Include carbohydrates and fats to meet your targets. Prepare simple backups for busy days. Keep convenient options available. Consistency beats complicated recipes. A flexible approach also leaves room for celebrations and restaurant meals.
Review your results every two to four weeks. If your average progress has stalled, first check tracking accuracy and activity. Then make a small adjustment. Avoid changing everything at once. Weight loss is rarely linear. Water retention, cycle changes, travel, and stress can mask progress temporarily.
This calculator offers an educational estimate. Pregnancy, breastfeeding, eating-disorder history, medical conditions, or medication needs require personal guidance. Seek a qualified health professional when those factors apply. Use the numbers as a starting point, not a rulebook. Sustainable habits support results that last.
Frequently Asked Questions
1. Is this calculator only for women?
Yes. The energy formula used here applies the adult-woman constant in the Mifflin–St Jeor equation. It is designed for women aged 18 to 100. It remains an estimate and should not replace tailored clinical advice.
2. How accurate are the calorie results?
The result is a starting estimate. Activity, muscle mass, food tracking, sleep, stress, and cycle-related water changes can affect actual results. Review trends for several weeks, then make small changes when needed.
3. Why does protein matter during weight loss?
Protein supports muscle maintenance and can help meals feel satisfying. The calculator distributes protein from body weight and your selected target. Food preferences, training, and health needs may require a different amount.
4. Can I choose a faster weekly pace?
You can select the faster option. However, aggressive deficits can feel difficult to maintain. The calculator applies a 1,200 kcal floor. Seek individual guidance before using a very low calorie plan.
5. Do carbohydrates stop fat loss?
No. Carbohydrates can fit a weight-loss plan. This calculator assigns carbohydrate calories after protein and fat. Total energy intake, food quality, activity, and consistency matter more than avoiding one macronutrient.
6. Should I eat exactly these numbers daily?
Use the figures as flexible daily targets. A small variation is normal. Focus on weekly consistency, adequate protein, produce, fibre, and meals you can maintain. Precision is less important than repeatable habits.
7. How often should I adjust macros?
Wait two to four weeks when tracking is reasonably consistent. Review average body weight, measurements, hunger, and training. Change one variable at a time, usually by a small calorie amount.
8. Why are my macros different after changing meals?
Your daily macro totals stay the same. Meal frequency only changes the per-meal guide. Choose the number of meals that supports your schedule, appetite, training, and social routine.
9. Does this work during pregnancy or breastfeeding?
No general calculator can safely personalise targets for pregnancy or breastfeeding. Energy and nutrient needs can change substantially. Use individual advice from a qualified healthcare professional or registered dietitian.
10. What should I do if I have a medical condition?
Medical conditions, medication changes, kidney concerns, diabetes, and eating-disorder history may affect suitable targets. Discuss nutrition changes with a qualified clinician before following a calorie or macro plan.
11. What is the best way to stay consistent?
Use consistency, patience, and supportive habits to reach goals.