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Wondering if you are eating enough protein? A 220 lb man holding at maintenance with a mostly sedentary routine needs about 188 grams of protein per day, split across 4 meals of about 47g each. That number is anchored to lean mass, not total body weight.
TDEE: 2564 kcal (Sedentary, desk job, little or no exercise). Lean mass: 180 lbs. BMR: 2137 kcal (Katch-McArdle).
| Schedule | Protein per meal |
|---|---|
| 3 meals per day | 63g |
| 4 meals per day | 47g |
| 5 meals per day | 38g |
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.
Maintenance is the phase most people think is the boring one. It is actually the one that determines whether any of your other phases stick.
Maintenance means calories match TDEE and body comp drifts quietly toward whatever your protein, training, and sleep habits are pointing at. If your habits are solid, you get leaner over months without trying. If they are shaky, you get softer the same way. The phase reveals what your underlying routine actually does when it is not being forced one direction by a deficit or a surplus.
We use the same protein target as bulking (2.3 g/kg lean mass) because the muscle-preservation case does not disappear when calories stop moving. Fat stays at 30% of calories, carbs fill the rest. You have the most flexibility here. You can afford a weekend restaurant meal, a high-carb training day, a low-carb travel day, and the phase absorbs the variance.
The mistake Andrew sees most often during maintenance is people stop weighing their food because "I know what I eat." Two weeks later the protein is 40 grams under target because chicken breasts are bigger than they used to be, or the yogurt portion doubled. Recalibrate one week per quarter. Weigh everything for seven days. Adjust. That is the whole maintenance discipline.
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.
Sedentary means a desk job, less than one structured training session per week, and otherwise light daily movement. We use an activity multiplier of 1.2x BMR, which is the lowest band in our TDEE calculation and is probably still generous for most truly sedentary days.
The protein number on a sedentary page is lower in absolute grams than the same person would need if they trained, but the per-kilogram ratio relative to lean mass stays the same. The reason: even without resistance training, the body still uses dietary protein for tissue turnover, hormone production, and immune function. Skipping it because "I didn't work out today" is how people end up losing muscle while holding a steady deficit.
Andrew sees this play out with office workers in cuts. They run the deficit clean for three weeks, their step count is around 5,000 per day, they are not in the gym, and they believe the "lower activity" narrative to the point of cutting their protein. By week four the scale is moving and the arms look narrower than they want. The lower calorie target was correct. The lower protein target was not. Protein is sized to lean mass, not to how many steps you walked.
If you are sedentary and plan to start training, rerun the calculator once your weekly schedule includes 3+ sessions. The activity multiplier will shift your calorie target but the protein per-kilogram-of-lean-mass anchor will stay steady.
Maintenance is the phase most people skip and most programs ignore. It is also the phase where body composition quietly changes for the better or worse over the long run. Your job at maintenance is not to force progress, it is to defend it.
We use Andrew Menechian's framework. Calories match TDEE. Protein lands at 2.3 grams per kilogram of lean body mass, the same number we use for bulking. Phillips and Van Loon's 2011 review in the Journal of Sports Sciences laid out the case that active adults benefit from protein intakes of 1.3 to 1.8 g/kg body weight across training years, which lines up with our LBM-anchored 2.3 g/kg target for a typical lean trainee (Phillips and Van Loon, 2011, J Sports Sci). The ISSN 2017 position stand puts the range at 1.4 to 2.0 g/kg body weight for exercising individuals (Jäger et al, 2017, JISSN); we sit at the upper end because the cost of slightly too much protein is nothing and the cost of slightly too little is measurable in recovery quality.
Fat sits at 30% of calories, carbs fill the rest. This is the most forgiving macro distribution we give you. Maintenance is where the body can absorb day-to-day variance without breaking the plan. Miss a protein meal on a Saturday at a restaurant, catch it back the next day, and the phase continues. That flexibility is what makes maintenance sustainable for years.
The common mistake Andrew sees with users in maintenance is underestimating how much protein they actually eat. They log "one chicken breast" without weighing it and the entry is low by 50%, or they skip tracking on weekends and drift for two days. Two weeks of that and the scale moves down or stays flat while muscle quietly softens. The fix is simple: weigh protein sources for one week every quarter. Recalibrate. Continue.
Schoenfeld and Aragon's 2018 review on per-meal protein distribution is worth reading during maintenance specifically because meal timing becomes your lever when you are not driving change through calorie manipulation (Schoenfeld and Aragon, 2018, JISSN). Three solid meals spaced four to six hours apart with 30 to 50 grams of protein each is the low-friction version. Four meals is the version that shows up in better body comp over the long run.
Antonio's 2015 one-year crossover in trained males confirms that sustained high-protein intakes produce no adverse markers in healthy populations (Antonio et al, 2015, J Nutr Metab). The worry that maintenance-level protein at 2.3 g/kg lean mass is "too much" is a holdover from the 1989 RDA era and has not survived the research of the last two decades.
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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The question that runs through every protein thread is basically, "am I eating too much, too little, or about right." Here's the clean answer. Cutting: 2.6 g/kg lean body mass. Bulking or maintenance: 2.3 g/kg lean body mass. If your current intake is inside a 10% band of those numbers, you're fine and the protein isn't the problem you think it is. Look at distribution or training instead.
MFP's protein calculator sits on their blog and exists partly to drive installs of the MyFitnessPal app. That is not a criticism; it is how every free calculator on a commercial site works. The relevant question is whether the calculator itself is useful regardless of whether you install their app.
MFP's calculator is fine for a quick estimate and reasonable for a sedentary-to-moderately-active adult. Where it falls short is specificity: it does not split recommendations by training status, does not account for lean-mass-based calculations, and does not walk you through per-meal distribution. The output is one number with minimal context.
Our calculator takes the opposite approach: specific inputs, explicit framework, named sources, full macro context. If you want a calculator that works without requiring an app install or a food log, this one is here. If you want to track your meals in an app, FitCommit is built specifically for photo-based logging with visible confidence scores, which is a different value proposition than MFP's database-lookup approach.
Reviewed by Andrew Menechian, Head of Fitness at FitCommit. Last updated 2026-04-24.
Women need the same protein per kilogram of lean body mass as men. Biology does not care about gender at the muscle-synthesis level. A woman cutting targets 2.6 g/kg LBM, a woman bulking or maintaining targets 2.3 g/kg LBM. Because women on average carry more body fat at the same weight, the gram total is usually lower than a man of matched body weight, not because the rule is different but because the lean mass is different. The ISSN 2017 position stand does not differentiate protein targets by sex for exercising adults (Jäger et al, 2017, JISSN). If you are pregnant or breastfeeding, protein needs rise further and you should work with a clinician, not a calculator.
Total daily protein matters more than timing. Distribution matters more than the post-workout window. Schoenfeld and Aragon's 2018 review concluded that three to four protein feedings of 30 to 50 grams each, spaced three to five hours apart, produced better muscle protein synthesis outcomes than the same total protein packed into one or two meals (Schoenfeld and Aragon, 2018, JISSN). The old "anabolic window" of 30 to 60 minutes post-workout has been softened by the research. You do not need to sprint to the shaker bottle. You do need to avoid going six hours between meals on training days. Hit the daily total, spread it across the day, and the timing optimizations are rounding errors.
Estimate it. Navy circumference method, a bioimpedance scale, or a DEXA scan all give workable numbers. For most adults, default categories get you close enough to start: men average around 18% body fat, women around 25%. If you are visibly lean (abs showing), subtract five points. If you carry obvious excess fat, add five to ten. From there, lean body mass = total weight × (1 minus body fat decimal). Multiply LBM in kilograms by 2.6 for cutting or 2.3 for bulking and maintenance. The number will be within 10 to 15 grams of the precisely measured version, which is well inside the daily variance most people already have in their eating.
Indefinitely, for most people. Antonio's 2015 one-year crossover study in trained males found no adverse health markers at sustained intakes near 3.4 g/kg body weight (Antonio et al, 2015, J Nutr Metab). The ISSN 2017 position stand's review of longer-term data reached the same conclusion for healthy adults (Jäger et al, 2017, JISSN). A "high-protein" diet at 2.3 to 2.6 g/kg lean mass is not a cycle or a phase. It is the sustainable input level for anyone training with weights. This assumes you are healthy. If you have kidney disease, liver disease, or are pregnant, check with your doctor before sustaining intakes above 1.2 g/kg body weight.
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Protein + carbs + fat breakdown