Cutting Macros for 120 lb Females

Calculate cutting macros for 120 lb women. Get personalized calorie and macro targets designed for female fat loss and body composition.

Cutting at 120 lbs requires precision. With less total body mass to work with, small adjustments have bigger impacts. The margin for error is smaller, but so is the amount of fat you likely need to lose. Focus on quality over speed, and trust the process even when changes feel slow.

1,783

Daily Calories

98g

Protein

0.7 lbs

Weekly Loss

~20 wks

To Goal

Your Example Cutting Spec

Calculated for a 120 lb female, 28 years old, 26% body fat, targeting 106 lbs with a 17% deficit.

1,783

Calories

98g

Protein

0.9g/lb target

267g

Carbs

60% of cals

36g

Fat

18% of cals

TDEE

2,148 cal

Daily Deficit

-365 cal

Lean Body Mass

89 lbs

Get Your Personalized Numbers

These are example calculations. Your exact macros depend on your unique stats, activity level, and goals.

The Science Behind These Numbers

These macros are calculated using the Cunningham equation (when body fat is known) or Mifflin-St Jeor equation as a fallback. Here's what each number means:

Calorie Target

Your TDEE (2,148 cal) minus a 17% deficit. This creates a 365 calorie daily deficit, translating to approximately 0.7 lbs of fat loss per week.

Protein Target

Set at 0.9g per pound of target body weight. Research shows 0.8-1.2g/lb preserves muscle during a deficit. Higher protein also increases satiety and has a high thermic effect.

Fat Target

Minimum 0.3g per pound bodyweight to maintain hormone production. Fat is essential for testosterone, estrogen, and overall hormonal health during a caloric deficit.

Carb Target

Remaining calories after protein and fat are set. Carbs fuel your training and preserve muscle glycogen. Prioritize them around workouts for best performance.

Common Mistakes to Avoid

Expecting linear progress the entire cut

At 26% body fat, the first 4-6 weeks will show rapid changes—don't expect that pace to continue. As you get leaner, fat loss slows naturally. Mentally prepare for this transition around weeks 8-10.

Adding excessive cardio from day one

You don't need an hour of cardio daily at 26% body fat. Diet alone creates your deficit. Save cardio as a tool for when progress stalls—if you start maxed out, you have nowhere to go.

Inconsistent protein intake

At your target of 106 lbs, you need 101-117g of protein daily—not just on training days. Muscle protein synthesis doesn't take days off, and neither should your protein intake.

Weighing daily and reacting to fluctuations

Body weight can fluctuate 2-5 lbs daily from water, sodium, and food volume. A 120 lb person might weigh 4 lbs different on consecutive mornings with identical fat mass. Track weekly averages, not daily numbers.

Keys to Success

Trust the process through the 'whoosh'

At higher body fat percentages, fat loss often happens in spurts—you'll retain water for days, then suddenly drop 2-3 lbs overnight. This "whoosh effect" is normal. Don't adjust calories during water retention phases.

Build your protein-first habit

At every meal, ask: "Where's my 27g of protein?" This simple habit ensures you hit your 106g daily target across 4 meals. Protein first, then fill in carbs and fats.

Weekly weigh-ins beat daily stress

Pick one day (ideally after a rest day) and weigh yourself first thing in the morning. This weekly average approach eliminates the anxiety of daily fluctuations and shows true fat loss trends.

Your Week-by-Week Focus

Weeks 1-4: Focus on establishing consistent eating patterns. Don't stress about perfection—aim for 80% adherence. Your body will respond quickly at this stage, shedding water and fat simultaneously. Target 0.5-1 lb per week on average.

Weeks 5-8: Progress may appear to slow as initial water weight is gone. This is normal. Stay the course, and consider adding one 30-minute cardio session if you haven't already. Don't adjust calories yet.

Weeks 9+: If progress stalls for 2+ weeks, reduce calories by 150-200 or add another cardio session. Implement a refeed day if hunger becomes unmanageable.

What You Get with CutSpec

Personalized calorie target based on your exact TDEE
Optimal protein for maximum muscle preservation
Balanced carb and fat distribution
Weekly progress tracking with trend analysis
Smart refeed day recommendations
Diet break alerts to prevent metabolic adaptation
Reverse diet protocol when you reach your goal
No daily food logging required

Frequently Asked Questions

How many calories should a 120 lb woman eat to lose weight?

A 120 lb woman with moderate activity typically needs 1440-1680 calories for cutting. This creates a 15-20% deficit from maintenance, allowing for 0.8-1.2 lbs of fat loss per week while preserving muscle.

How much protein does a 120 lb female need while cutting?

At 120 lbs, aim for 99-121g of protein daily (based on target weight of ~110 lbs). Higher protein during a cut helps preserve muscle mass and increases satiety.

How long will it take to cut from 120 lbs to 110 lbs?

Losing 10 lbs at a safe rate of 1-1.5 lbs per week takes approximately 8 weeks. Faster cuts risk muscle loss; slower cuts are more sustainable.

What's the best macro split for a 120 lb female?

A good starting point is 30-35% protein, 35-40% carbs, and 25-30% fat. Prioritize protein at 110g minimum, keep fat at 36g for hormonal health, and fill remaining calories with carbs.

Related Guides

Ready to Start Your Cut?

Get your personalized cutting protocol in under 60 seconds. No account required to calculate - save your spec when you're ready to track.