Calculators
GainsX Reality Check Lab
25 brutally honest fitness calculators for lifters tired of TikTok gurus, fake natties, and gym bros who swear your metabolism is broken. Real physiology, zero fluff, and absolutely no emotional damage compensation.
💊 Supplements & Hype Checks NO MAGIC POWDERS
// BECAUSE BUYING PRE-WORKOUT WON’T DO THE REPS FOR YOUFind out which 3 supplements actually work and which 8 you’re buying just because a 22-year-old on TikTok with questionable lighting told you to.
The literal only supplement your gym bro took that worked by accident. Calculate your loading curve, saturation days, and stop worrying about the hair loss myth.
Chugging 400mg of pre-workout at 7 PM and wondering why you’re staring at your ceiling like Batman? Calculate your caffeine half-life before wrecking your REM sleep.
No, you probably didn’t suddenly develop a gluten allergy. You just downed 60g of cheap whey concentrate with cold tap water in 8 seconds. Let’s diagnose it.
Calculate how much protein your muscles can actually synthesize before you turn your grocery bill into a poultry farm. Evidence-based grams per kilo.
🏋️ Muscle, Strength & Ego Checks FORM OVER EGO
// YOUR SPOTTER DOING BICEP CURLS DOES NOT COUNT AS A PRDoing the exact same 3×10 with the same dumbbells since 2023 isn’t progressive overload, it’s a social visit. Get a real 12-week progression with deloads.
Are you training 4 reps in reserve while making grimace faces for the camera? Audit mechanical tension, volume junk, and recovery to find your real growth killer.
Height-normalized muscle index. See how close you are to your natural genetic limit, or if that fitness influencer’s physique is sponsored by extra-curricular chemistry.
For that gym acquaintance who put on 14kg of dry muscle in 4 months and claims it’s just ‘turkesterone, hard work, and sleeping 9 hours’. Math doesn’t lie.
What you can actually lift on your own without your buddy upright-rowing the bar off your chest. Calculates 4 gold-standard formulas and working percentages.
Bench pressing 100kg hits different at 70kg than it does at 115kg. Compare your total fairly against official powerlifting coefficients across weight classes.
No, you’re not ‘holding water weight’ at 26% body fat. Use the US Navy circumference method to get your real fat mass, lean tissue, and goal weight.
🍕 Diet, Calories & Metabolism Myths THERMODYNAMICS
// EYEBALLING YOUR PEANUT BUTTER IS WHY YOUR DEFICIT ISN’T WORKINGUnless you’re medically diagnosed, your metabolism isn’t damaged—you’re just forgetting the olive oil and liquid calories. Calculate your real daily burn.
Get actual grams for protein, carbs, and fats that match your goal, so you stop wondering why ‘eating clean’ with 4 bananas and peanut butter isn’t cutting fat.
Whoever told you 1 bowl of dal gives you 25g of protein lied to you. It gives you 6g of protein and 30g of carbs. Let’s fix your vegetarian amino profile.
How to drop body fat without surviving exclusively on cucumber slices and regret. Sets realistic timelines and warns you before you crash your thyroid.
That 4 PM snack craving is usually just your brain screaming for fluids. Calculate your true daily liters based on Indian heat, workouts, and creatine load.
🩺 Bloodwork, Hormones & Longevity INSIDE MATTERS
// YOUR LIVER DOES NOT CARE ABOUT YOUR GYM SPOTIFY PLAYLISTHaving visible abs doesn’t mean your organs are happy. Audit your Testosterone, ApoB, Liver ALT/AST, and Kidneys against athletic optimal ranges.
How much wear-and-tear have weekend cheat days, poor sleep, and stress added to your biological clock? Uses PhenoAge biomarkers to check real vitality.
Standard LDL is outdated. Check your ApoB particle count, hematocrit, and blood pressure so you can actually live long enough to enjoy your gains.
Starved yourself on 1000 calories for 6 months and now you can’t lose an ounce? Check if low T3 conversion is putting your body into survival mode.
Every lifter gets paranoid about this at least once. Is it real hormonal glandular tissue under the nipple or did you just enjoy too much biryani? Let’s check.
Getting winded walking up two flights of stairs? Test your aerobic capacity without expensive lab masks using resting heart rate or a quick run test.
Standard western BMI says 25 is normal, but for South Asian genetics, metabolic risk starts at 23. Understand your visceral fat risks with athletic context.
Compare medical formulas (Devine, Robinson, Hamwi) against your actual wrist bone frame size so you know what a lean, muscular weight looks like for you.