Macros for 180 lb Women (Maintenance, Lightly Active)
Reviewed by Andrew Menechian, Head of Fitness at FitCommit
Exact macros for a 180 lb woman on a maintenance diet. Calculated from estimated lean mass, Katch-McArdle BMR, and a lightly active TDEE (light exercise 1-3 days per week).
2,326
Calories
Maintenance calories
141g
Protein
564 cal (24%)
265g
Carbs
1060 cal (46%)
78g
Fat
702 cal (30%)
Eating at TDEE with zero deficit or surplus. These macros maintain your 180 lb body weight while optimizing protein for muscle retention.
How These Macros Were Calculated
| Body Weight | 180 lbs |
|---|---|
| Estimated Lean Mass | 135 lbs (75% of body weight) |
| Lean Mass (kg) | 61.2 kg |
| BMR (Katch-McArdle) | 1,692 cal/day |
| TDEE (BMR x 1.375) | 2,326 cal/day |
| Target Calories | 2,326 cal/day |
| Calorie Change | None (maintenance) |
| Expected Weekly Change | Stable weight |
BMR uses the Katch-McArdle formula (370 + 21.6 x lean mass kg), which accounts for lean mass and outperforms Harris-Benedict for accuracy across different body compositions. Lean mass estimated at 25% average body fat for women. Activity multiplier 1.375 = light exercise 1-3 days per week.
Macro Breakdown
| Macro | Grams | Calories | % of Total |
|---|---|---|---|
| Protein | 141g | 564 | 24% |
| Carbohydrates | 265g | 1060 | 46% |
| Fat | 78g | 702 | 30% |
| Total | - | 2,326 | 100% |
Protein is set at 2.3g per kg of lean body mass (135 lbs lean mass for this woman). Fat targets 30% of target calories with a minimum safety floor applied if needed; carbs fill remaining calories, with a 50g minimum for brain function.
Meal Split Examples
3 Meals Per Day
- Per-meal calories775 cal
- Per-meal protein47g
- Per-meal carbs88g
- Per-meal fat26g
4 Meals Per Day
- Per-meal calories582 cal
- Per-meal protein35g
- Per-meal carbs66g
- Per-meal fat20g
5 Meals Per Day
- Per-meal calories465 cal
- Per-meal protein28g
- Per-meal carbs53g
- Per-meal fat16g
Research shows muscle protein synthesis is maximized with 30-40g protein per meal. 47g per meal in 3 meals is within the optimal range.
What These Macros Look Like in Food
Protein: 141g
- 5 x 100g chicken breast (31g each)
- 24 large eggs (6g each)
- 8 cups whole-milk Greek yogurt (17g each)
- 6 scoops protein powder (22-25g each)
Carbs: 265g
- 6 cups cooked rice (45g each)
- 5 cups dry oats (54g each)
- 10 medium sweet potatoes (26g each)
- 10 medium bananas (27g each)
Fat: 78g
- 6 tbsp olive oil (14g each)
- 5 half avocados (15g each)
- 10 tbsp peanut butter (8g fat each)
- 6 oz almonds (14g each)
These are rough equivalents. Most meals contain a mix of all three macros. Use a food tracking app for precise logging.
These numbers use an estimated 25% body fat.
FitCommit measures your actual lean mass with an AI body scan from your phone camera, so your macros reflect your real body composition.
Frequently Asked Questions
Should I recalculate my macros as I track weight?
At maintenance, recalculate your TDEE every 4-8 weeks if your weight shifts more than 5 lbs consistently. Lean mass changes affect calorie needs.
What foods hit 141g protein, 78g fat, and 265g carbs?
Protein sources for 141g: roughly 5 x 100g portions of chicken breast (31g protein each), or 24 eggs (6g each), combined with Greek yogurt or protein powder. Fat sources for 78g: about 6 tablespoons of olive oil or peanut butter. Carb sources for 265g: roughly 6 cups of cooked rice (45g each) or 10 cups of oats (27g each). A food tracking app is the most accurate way to hit these targets.
How does my activity level affect my 2326 calorie target?
Your Lightly Active activity level uses a multiplier of 1.375, giving a TDEE of 2326 calories. If you were sedentary (1.2x), your TDEE would be approximately 2030 calories. If you were very active (1.725x), it would be approximately 2919 calories. The activity multiplier is the single biggest variable in your calorie target. Getting it right matters more than small differences in the macro split.
What should I do if I'm not maintaining weight at 2326 calories?
If your weight trends up or down consistently over 2 weeks at 2326 calories, your actual TDEE differs from the estimate. Adjust by 100 calories in the direction that corrects the trend. Recalculate every time you change activity level significantly.
When to Recalculate These Macros
Weight trending upward over 2 weeks
Reduce by 100-150 cal/day from carbs. Your actual TDEE is slightly below the 1.375x estimate for lightly active activity.
Weight trending downward over 2 weeks
Add 100-150 cal/day from carbs or fat. You may be more active than the multiplier accounts for, or your metabolism has adapted upward.
Activity level has changed significantly
Switch to the matching activity level using the selector above. The difference between sedentary and moderately active can be 300-500 cal/day at 180 lbs.
Other Weights and Goals
Previous Weight
170 lbs female maintenance lightly active
Next Weight
190 lbs female maintenance lightly active
Same Weight and Goal, Different Activity Levels
Sedentary
180 lbs, female, maintenance
Lightly Active
180 lbs, female, maintenance
Moderately Active
180 lbs, female, maintenance
Very Active
180 lbs, female, maintenance
Extra Active
180 lbs, female, maintenance
Related Resources
Get Your Exact Macros with FitCommit
These numbers use average body fat estimates. FitCommit's AI body scan measures your actual lean mass from your phone camera.
Precise lean mass = precise TDEE = macros that actually match your body, not an average.
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