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Wondering if you are eating enough protein? A 220 lb man cutting training 5 or more days per week needs about 213 grams of protein per day, split across 4 meals of about 53g each. That number is anchored to lean mass, not total body weight.
TDEE: 3686 kcal (Very Active, hard exercise 6-7 days per week). Lean mass: 180 lbs. BMR: 2137 kcal (Katch-McArdle).
| Schedule | Protein per meal |
|---|---|
| 3 meals per day | 71g |
| 4 meals per day | 53g |
| 5 meals per day | 43g |
At 220 lb, the protein math hits numbers that look extreme on paper but read as normal food once broken into meals. Targets land between 160 and 220 grams per day.
Five meals at 40 to 44 grams each is the simplest distribution at this weight. Four meals at 50 grams works but stretches some people's per-meal MPS ceiling. Three meals at 70+ grams per sitting is doable for athletes but uncomfortable for most. The calculator shows you three-, four-, and five-meal splits so you can match physiology to schedule.
Andrew sees the plateau at 220 lb most often in advanced trainees who have been cutting and bulking in cycles for years. The macro math is correct; the fatigue accumulation across cycles is the silent variable. Schedule an explicit deload or a longer maintenance phase if you have been phasing for more than a year without a break.
Cutting means eating in a deficit while protecting muscle. That is the whole project. If the scale moves and you keep strength in the gym, the cut is working. If the scale moves and your bench drops or the weights feel heavier every week, the cut is eating muscle and fat together, and that is not what you came for.
The deficit does the fat loss. Protein does the muscle preservation. Training does the muscle signaling. All three have to be in the lineup at the same time or the phase misses.
The most common place Andrew sees a cut fall apart is the protein number. Someone runs a clean deficit, trains hard, and still watches their lifts regress by week three. Nine times out of ten the protein intake is 30 or 40 grams under target, distributed into two meals instead of four, or logged optimistically against unweighed food. The fix is boring: weigh the protein, spread it across the day, hit the number every day. The math is not exotic. The discipline is the variable.
Do not overcomplicate the deficit. A 20% cut under TDEE is enough to move the scale roughly half a pound to one pound per week at most readers' stats. Aggressive deficits feel productive in week one and break by week five. Stay on the knife edge, keep the protein sharp, and let time do the work.
The male version of the protein math starts from a higher average lean mass assumption. We use 18% body fat as the default for moderate training status, which means the lean-mass anchor for the protein calculation includes more muscle tissue than the equivalent female page. Your absolute protein number is higher because your lean mass is higher, not because male physiology asks for a different gram-per-kilogram ratio.
Testosterone's role in the muscle-protein-synthesis ceiling matters here. Higher natural testosterone supports a higher MPS rate per meal, which is why the classic "30g per meal" rule-of-thumb often fits male trainees comfortably at three to four meals a day. Schoenfeld and Aragon's 2018 review on per-meal distribution supports 0.4 g/kg body weight per meal as a functional ceiling, which for a 180 lb male lands near 32 grams per meal (Schoenfeld and Aragon, 2018, JISSN). We show you four-meal and five-meal splits so you can pick the pattern that fits your schedule without over-engineering a single mealtime.
Andrew watches male trainees under-eat protein more often than women do, especially at sedentary or moderate training levels. The assumption is "I'm not lifting heavy, I don't need it." The assumption is wrong. Lean mass preservation is not contingent on whether you had a gym session today.
Very active means 5 to 7 training sessions per week, competitive sport, endurance training, physically demanding work, or any combination that keeps the body under significant load most days. Activity multiplier is 1.725x BMR, and for some endurance athletes even that is conservative.
The protein number on a very-active page is larger in absolute grams, but we still calibrate to 2.6 or 2.3 g/kg lean mass depending on goal. Going substantially higher does not produce more muscle in resistance-trained populations, per Morton's 2018 meta-analysis in BJSM. Endurance athletes in a large energy deficit may need slightly more protein to protect muscle, per Bandegan 2017 in the Journal of Nutrition. The gap is small; the number we show you covers it.
Andrew has seen more very-active trainees under-eat calories than under-eat protein. The training drives hunger, they reach for protein shakes and lean chicken, and their total calorie intake drifts 300 to 500 kcal below what their training demands. Energy availability tanks, recovery collapses, sleep fractures. The protein number looks fine on paper but the body cannot use it because there is not enough total fuel for basic recovery. If you are very active and running a cut, check your calorie number carefully before you chase protein. The calorie floor matters as much as the protein ceiling.
If you train twice a day or compete, talk to a performance dietitian in addition to using this calculator. Our numbers are a defensible starting point, not a prescription.
A calorie deficit eats muscle by default. Your job during a cut is to stop it. Protein is how you stop it.
We use Andrew Menechian's framework, which starts from lean mass rather than total body weight. The reason matters: two people at the same weight can carry wildly different muscle, and a formula that ignores that gives the leaner person too little protein and the heavier one too much. Lean mass is the tissue that can grow, shrink, or hold the line. It's what the math should point at.
The base target is 2.6 grams of protein per kilogram of lean body mass per day. That's the upper end of what the ISSN 2017 position stand calls defensible for trained individuals cutting under a deficit (Jäger et al, 2017, JISSN). Longland's 2016 study in the American Journal of Clinical Nutrition tested the logic directly: men in a large deficit who hit ~2.4 g/kg LBM with hard training gained lean mass while losing fat (Longland et al, 2016, AJCN). The RDA number you'll see cited elsewhere (0.8 g/kg body weight) is a deficiency floor, not a performance target. It was not written for people trying to preserve muscle under a deficit and it should not be used that way.
Calories sit at 20% below TDEE. The deficit is aggressive enough to produce weekly change you can see on the scale but shallow enough that training output doesn't collapse and sleep doesn't break. Helms' 2014 evidence-based review for natural bodybuilding contest prep lands in the same range for non-contest conditions (Helms, Aragon, Fitschen, 2014, JISSN). Fat stays at 35% of calories with a safety floor (0.9 g/kg body weight for men, 1.1 g/kg for women) to protect hormonal function; carbs fill the rest with a minimum of 50 grams for basic brain and liver function.
The per-meal split matters more during a cut than any other phase. Leidy's 2015 review found that higher protein distributed across meals, rather than back-loaded at dinner, produced better satiety and lean mass retention during weight loss (Leidy et al, 2015, AJCN). Schoenfeld and Aragon's 2018 review quantified the practical ceiling per meal at roughly 0.4 g/kg body weight, which for most readers lands between 30 and 50 grams per sitting. That's why we show you three, four, and five-meal splits. Pick the one that fits your schedule.
Andrew has watched users hit their daily protein number and still drop muscle on the scale readouts, and the pattern is always the same: they backload protein into dinner and a late shake. The body keeps the input but not the signal. Spread the same grams across three or four meals and the lean-mass retention shows up within the first week.
This is educational, not medical advice. If you have kidney disease, liver disease, are pregnant, or take medications affecting protein metabolism, talk to your doctor before changing your intake.
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Someone three months into a bulk posted, "I'm gaining weight fast but my lifts aren't moving." That's fat gain outrunning muscle gain, and the usual culprit is a surplus too aggressive with protein too low. Walk calories back to 10% above TDEE, lock protein at 2.3 g/kg of lean body mass, and watch the ratio of muscle to fat improve over the next four weeks. Slower weight gain, cleaner weight gain.
PT Pioneer's protein calculator lives on a blog whose primary audience is people studying for personal training certification exams. That is a legitimate audience, and the calculator is accurate for its use case.
The language is geared toward someone memorizing formulas for a test, not someone trying to eat the right amount of chicken this week. The calculator gives you a number. It does not tell you how to split that number across meals, how to adjust it during a cut vs. a bulk, or what a realistic week of eating looks like at that target.
Our calculator is built for the person eating the protein, not the person certifying other people to recommend protein. Same math can work in both contexts. Different framing produces different usefulness. If you are studying for CPT, the PT Pioneer calculator is a fine reference. If you are cutting 10 pounds by June, this one is built for your question.
Reviewed by Andrew Menechian, Head of Fitness at FitCommit. Last updated 2026-04-24.
Common gym advice says 1 gram per pound of body weight, which lands around 2.2 g/kg. That number is in the right ballpark for most lifters but it ignores body composition. A 200 lb man at 30% body fat does not need the same protein as a 200 lb man at 12% body fat. The leaner man has more muscle tissue to feed. FitCommit anchors on lean body mass, not scale weight: 2.6 g/kg LBM for cutting, 2.3 g/kg LBM for bulking and maintenance. This matches ISSN 2017 guidance (Jäger et al, 2017, JISSN) and avoids overfeeding protein to people carrying more fat than muscle.
In healthy adults with no pre-existing kidney disease, there is no evidence that high protein intake harms kidney function. Antonio's 2015 one-year crossover study in trained men tested sustained intakes around 3.4 g/kg body weight and found no adverse changes in kidney, liver, or metabolic markers (Antonio et al, 2015, J Nutr Metab). The ISSN 2017 position stand reviewed the broader literature and reached the same conclusion for healthy populations (Jäger et al, 2017, JISSN). This is not medical advice. If you already have chronic kidney disease, diabetic kidney damage, or reduced GFR, high-protein diets require medical supervision. Talk to your doctor before raising your intake.
Aim for roughly 0.4 grams of protein per kilogram of body weight per meal, which lands between 30 and 50 grams for most people. Schoenfeld and Aragon's 2018 review in the Journal of the International Society of Sports Nutrition analyzed per-meal protein distribution and identified this as the practical ceiling for maximally stimulating muscle protein synthesis in a single sitting (Schoenfeld and Aragon, 2018, JISSN). Anything above that ceiling still gets used by the body, it just stops paying a hypertrophy dividend for that meal. Three to four meals per day at this dose is the low-friction structure. Backloading all your protein into dinner is the most common reason users hit their daily number but still lose lean mass.
A raw boneless skinless chicken breast averages about 31 grams of protein per 100 grams. A typical medium breast weighing 170 grams raw cooks down to roughly 120 to 130 grams and delivers around 38 to 40 grams of protein. A large breast at 230 grams raw lands near 50 to 55 grams cooked. These numbers are approximate. The single biggest logging mistake FitCommit sees in maintenance users is eyeballing "one chicken breast" as 30 grams of protein when the actual piece weighs twice what they assumed. Weigh your protein sources for one week every quarter. The recalibration is usually worth 10 to 20 grams per day.
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Full macros for this profile
Protein + carbs + fat breakdown