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Wondering if you are eating enough protein? A 220 lb man bulking training 3 to 5 days per week 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: 3312 kcal (Moderately Active, moderate exercise 3-5 days per week). 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.
Bulking means eating in a surplus to support muscle growth. The goal is to add lean mass with minimal fat accumulation. The temptation is to eat more than you need because "more food equals more muscle." That is not what the research shows and it is not what Andrew sees in users.
A 10% surplus above TDEE is what we use. It produces measurable lean gain week over week for most trainees while keeping the fat-gain rate low enough that your clothes still fit at the end of the phase. Bulks that add two pounds a week add roughly one pound of muscle and one pound of fat under ideal conditions, and usually the ratio is worse. Slower is cleaner.
Protein is the ceiling on muscle gain during a bulk. You can have a perfect surplus and a perfect program, but if you underfeed protein, the body cannot build the tissue it is signaling to build. We set protein at 2.3 g/kg lean mass because above that you are just spending money on chicken breasts and not buying more muscle.
Training intensity is the other lever. A clean surplus and calibrated protein do not grow muscle on their own; they let hard training grow muscle. If you are not pushing your lifts weekly, the surplus becomes fat. Train, eat, recover, and the phase works.
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.
Moderate means 3 to 5 structured training sessions per week, usually resistance training with some cardio mixed in, and a reasonable amount of daily movement outside the gym. This is where most FitCommit users sit and it is the band the macro framework was calibrated against.
We use a 1.55x BMR activity multiplier here. Not the most aggressive setting but the one that matches the actual training reality for the majority of people who use a calculator like this. If you lift three times a week and run twice, you are in this band.
Protein on a moderate page lands at the calibrated target: 2.6 g/kg lean mass for cutting, 2.3 g/kg for bulking and maintenance. These numbers have the most evidence behind them for your profile because the ISSN 2017 position stand and nearly all of the resistance-training research tested subjects in exactly this training volume range.
The common pattern Andrew sees with moderate-activity trainees is protein drift on rest days. They hit 155 grams on training days because the workout reminds them to eat, and they eat 100 on rest days because the reminder is gone. Over a month that averages out to a deficit below the calibrated target. The calculator shows you one daily number for a reason: hit it every day, including rest days, and the phase actually produces the result the math predicted.
A surplus does not automatically become muscle. A surplus with insufficient protein becomes fat. Your job during a bulk is to make sure the incoming calories have somewhere useful to go, and protein is the signal that tells the body which tissue to build.
We use Andrew Menechian's framework. Calories sit at 10% above TDEE, not the 20 or 30% surplus you'll see recommended on old bodybuilding forums. Aragon and Schoenfeld's 2017 review in the Strength and Conditioning Journal showed that the rate of lean gain plateaus well before the rate of fat gain does, which means every calorie above a modest surplus buys more fat than muscle (Aragon and Schoenfeld, 2017, Strength Cond J). A 10% surplus is the knife edge: enough to drive recovery and hypertrophy, small enough to keep body fat in check.
Protein lands at 2.3 grams per kilogram of lean body mass. Morton's 2018 meta-analysis in the British Journal of Sports Medicine pooled 49 studies on protein supplementation and resistance training and found diminishing returns above roughly 1.6 g/kg total body weight, which corresponds closely to 2.3 g/kg lean mass for a typical trainee (Morton et al, 2018, BJSM). The ISSN 2017 position stand recommends the same band (Jäger et al, 2017, JISSN). Going higher does not buy more muscle; it just costs grocery money and stomach capacity.
Fat sits at 30% of calories with a safety floor that only activates if an aggressive surplus distribution would drop fat intake too low, which is rare during a bulk. Carbs fill the remainder, and in a bulk the carb number is usually generous because it is the macro that most directly fuels hard training sessions. If you want the fastest-growing muscle mass that a 10% surplus can produce, you lift hard and you eat the carbs.
Andrew consistently sees users add fat faster than they add muscle during the first four weeks of a bulk, then level out. The pattern is almost always the same cause: the trainee underestimates their TDEE, treats 10% surplus as "small," and adds another 300 to 500 calories "just in case." That extra buffer goes to fat every time. Run the number we give you, hold it, and check body comp at week four. Do not eyeball upward.
Antonio's 2015 one-year crossover study in trained men confirmed that sustained high-protein intakes (~3.4 g/kg body weight) produced no adverse metabolic or organ markers in healthy subjects (Antonio et al, 2015, J Nutr Metab). The high-protein safety ceiling for a bulk is essentially unreachable by accident. Underfed protein is the more common mistake.
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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There's a recurring post on r/loseit that goes something like, "I've been doing everything right for four weeks and the scale just stopped." Before you touch calories, audit protein. A deficit with undershot protein is the single most common reason a cut stalls on lean mass while the scale still drops. The fix is 2.6 g/kg LBM, logged honestly, spread across meals.
Mayo Clinic's protein guidance is accurate for the population it was written for: the general adult public, most of whom are sedentary and most of whom are not trying to preserve or build muscle. For that audience, the RDA-anchored numbers Mayo cites are a reasonable starting point.
They are not the right numbers for someone who lifts three times a week and wants to hold muscle through a cut. Mayo's framing treats protein primarily as a nutritional requirement to meet, not as a performance variable to calibrate. That framing is medically safe and functionally incomplete for anyone reading this calculator.
The research has moved. Phillips and Van Loon's 2011 review, the ISSN 2017 position stand, Morton's 2018 BJSM meta-analysis, and Helms' 2014 evidence-based review for natural bodybuilding all point at targets substantially higher than the Mayo-cited RDA. Our calculator is built on that research. If your protein question is "am I getting enough for basic health," Mayo answers that. If your question is "am I getting enough to protect or build muscle while training," we answer that.
Reviewed by Andrew Menechian, Head of Fitness at FitCommit. Last updated 2026-04-24.
More, not less. Older adults lose muscle faster per unit of protein, a phenomenon called anabolic resistance. Research consensus now supports intakes of 1.2 to 1.6 g/kg body weight for adults over 50, which maps to roughly 2.3 to 2.8 g/kg lean body mass for a typical body composition. The ISSN 2017 position stand explicitly notes that older adults benefit from the upper end of the recommended range (Jäger et al, 2017, JISSN). Combine that with two to three resistance training sessions per week. Protein without training stalls. Training without protein stalls. This is educational, not medical advice. Check with your doctor if you have kidney concerns before raising intake.
Protein needs rise during pregnancy, particularly in the second and third trimesters, but the upper limit and optimal level are not well defined for high-intake athletic targets. The standard clinical guidance is roughly 1.1 g/kg body weight during pregnancy, up from the non-pregnant RDA of 0.8 g/kg. Whether 2.3 or 2.6 g/kg lean mass is safe during pregnancy has not been adequately studied and should not be assumed from non-pregnant data. This is not medical advice. Pregnancy changes kidney filtration, hormonal metabolism, and nutrient partitioning in ways a general calculator cannot account for. Talk to your OB or a registered dietitian before using any high-protein calculator output during pregnancy or while breastfeeding.
Whole food animal proteins with complete amino acid profiles perform best per gram: chicken breast, lean beef, eggs, Greek yogurt, whey, and fish. They hit the leucine threshold in smaller servings than most plant sources, which matters when stomach capacity is the limiting factor. That said, Morton's 2018 meta-analysis found that once total daily protein is adequate and meals include enough leucine, the specific source matters less than many people think (Morton et al, 2018, BJSM). Soy and pea isolate hold up well among plant options. The "best" source is the one you will actually eat consistently at the quantity your calculator target demands. Consistency beats optimization.
On 1500 calories, protein should take up a larger share of your plate than usual, both for muscle retention and satiety. For a typical woman targeting 1500 calories during a cut, that usually means 110 to 140 grams of protein per day (roughly 440 to 560 calories from protein), leaving 940 to 1060 calories for fat and carbs. Anchor the number on 2.6 g/kg lean body mass, not a percentage of calories. Helms' 2014 evidence-based review for natural bodybuilding showed that protein intakes in this range preserved lean mass under aggressive deficits (Helms, Aragon, Fitschen, 2014, JISSN). Leidy's 2015 review confirmed the satiety benefit at higher protein during weight loss (Leidy et al, 2015, AJCN).
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Full macros for this profile
Protein + carbs + fat breakdown