Physiq: Macro Calculator

Carnivore Macro Calculator

This guide covers how to set macros for cutting using a carnivore approach.

Representative targets: 2380 calories · 185gm protein · 20gm carbs · 173gm fat.

Use the calculator below to generate your own numbers based on weight, height, age, and activity level.

Who This Is For

185-pound mans using a strict animal-based approach to cut fat. Most relevant for people who have already tried keto and want to simplify further, eliminating plant foods entirely.

Macro Rationale

A measured deficit of 420 calories below your estimated 2800-calorie TDEE is enough to drive consistent fat loss without triggering aggressive muscle breakdown. Protein is elevated specifically to counter the muscle-loss risk that comes with calorie restriction — it is the most important macro to protect during a cut.

Carnivore eliminates all plant sources and relies entirely on protein and fat from animal foods. During a cut, the strict food list simplifies decision-making and naturally eliminates most processed foods. Adherence is either very easy or very hard depending on food preferences — there is little middle ground.

Daily Target Calories

2380cal/day
Target2380

~15% deficit from TDEE (2800 cal) for fat loss. carnivore macro split.

Daily Target Macros

185gm

Protein

185gm

20gm

Carbs

20gm

173gm

Fat

173gm

Protein: 185gm (1.0gm per lb body weight)

Sample Meal Plan

Breakfast

  • Protein Shake — 1 scoop + water (~30g)130 cal · P25 C3 F2
  • Greek Yogurt — 1 cup (~245g)120 cal · P20 C9 F0
  • Scrambled Eggs (3) — 3 large (~150g)213 cal · P18 C2 F15
Total: 463 cal · 63g P · 14g C · 17g F

Lunch

  • Grilled Chicken Breast — 6 oz (~170g)213 cal · P42 C0 F5
  • Strip Steak — 6 oz (~170g)286 cal · P40 C0 F14
  • Salmon Fillet — 6 oz (~170g)306 cal · P36 C0 F18
Total: 805 cal · 118g P · 0g C · 37g F

Dinner

  • Ribeye Steak — 8 oz (~227g)440 cal · P46 C0 F28
  • Grilled Chicken Breast — 6 oz (~170g)213 cal · P42 C0 F5
  • Butter — 1 tbsp (~14g)102 cal · P0 C0 F12
Total: 755 cal · 88g P · 0g C · 45g F

Snack

  • Protein Shake — 1 scoop + water (~30g)130 cal · P25 C3 F2
  • Greek Yogurt — 1 cup (~245g)120 cal · P20 C9 F0
Total: 250 cal · 45g P · 12g C · 2g F

Estimates. Not medical advice. Adjust portions to fit your exact targets.

Adjust Your Macros

Pre-filled for this profile. Change any value and recalculate.

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Adjustment Notes

  • • Hold your targets for at least 2 full weeks before making changes — short-term weight fluctuations are water and digestion, not fat or muscle.
  • • Adjust calories in 100–150 calorie increments, not large jumps. Small changes compound without disrupting adherence.
  • • Recalculate every 10–15 lb of bodyweight change or every 6–8 weeks.
  • • If your scale trend is flat for 2–3 weeks, reduce by ~100 calories from carbs or fats first — keep protein at current levels.
  • • Current target: 2380 cal/day. If you are losing more than 1.5 lb/week consistently, add 100 calories — excessive loss rate increases muscle breakdown risk.

Frequently Asked Questions

How many calories should a 185 lb man eat to lose fat?

A practical starting target is 2380 calories/day — a 420-calorie deficit below your estimated TDEE of 2800. This provides a meaningful signal for fat loss without being aggressive enough to risk significant muscle loss or excessive fat gain. Adjust in 100-calorie steps after 2–3 weeks of data.

How much protein should a 185 lb man eat per day?

At 185 lb, a daily target of 185gm of protein (1.00g per lb bodyweight) supports body composition goals whether cutting, building, or maintaining. Protein has a higher thermic effect than carbs or fats, keeps hunger lower than either, and directly determines how much muscle your body can build or retain. Distribute across 3–5 meals for best use — a single large protein serving has diminishing returns compared to spread intake.

Will a 185 lb man lose muscle during this 420-calorie deficit?

Muscle loss risk on a 420-calorie deficit is real but manageable. The most important protection is keeping protein at 185gm/day — elevated protein directly reduces muscle breakdown during a deficit. Continuing resistance training is the second most important factor; muscle is only retained if it is being used. A 420-calorie deficit is in a moderate range, which means weekly fat loss should be around 0.1 lbs — sustainable without requiring the body to cannibalize significant lean tissue.

What does a full day of carnivore eating look like at 2380 calories for a 185 lb man?

At 2380 calories, a carnivore day for a 185 lb man is built entirely from animal protein and fat: fatty cuts of beef, eggs, butter, chicken thighs, salmon, or pork belly are typical staples. The target is 185gm protein and 173gm fat with 20gm carbs (trace amounts from eggs or some dairy). Ribeye steak is the closest single-food option to a complete carnivore macro profile. Most people find 2–3 meals per day easier to sustain than 4+ on carnivore.

When should a 185 lb man adjust their 2380-calorie macro target?

Adjust when your body sends a clear signal for 2–3 consecutive weeks: no scale trend movement (up or down as intended), stalled training performance, or persistent energy issues. A single bad week is noise — a consistent 3-week trend is a signal. Adjust in 100–150 calorie increments, not large jumps. At 2380 calories for a 185 lb man, a 100-calorie change represents about 4–5% of total intake — meaningful but not disruptive to your food structure.

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