About GymRec

Getting stronger should feel straightforward, but the moment you start chasing numbers the questions pile up. What is your true one-rep max if you just hit five hard reps? How do you load the bar to an exact weight without staring at it doing mental math between sets? Is this week’s training volume actually higher than last week’s, or does it just feel that way? What weight is 80% of your max for today’s working sets? Are you eating enough protein to support the work you’re putting in? And is a 140kg squat impressive for your bodyweight, or middle of the pack? None of these are hard once you know the method — but working them out by hand, every session, is exactly where training turns into admin.

GymRec is built around that gap. Rather than long articles you have to wade through, the site is a set of small, single-purpose calculators, each aimed at one real decision. The One-Rep Max (1RM) Calculator estimates your max from a weight and rep count using standard formulas, so you can program off a number instead of guessing. The Barbell Plate Calculator works out exactly which plates to slide onto each side to hit a target weight for your bar. The Training Volume Calculator totals sets, reps, and load so you can compare sessions and track progressive overload. The Rep-Max Percentage Calculator turns your max into a full percentage table for picking working weights. The Protein & Macro Calculator estimates daily protein, carbs, and fat targets from your bodyweight and goal using common macro splits. And the Wilks & Relative Strength Calculator scores a lift against your bodyweight so you can compare strength across weight classes.

Alongside the calculators, the blog and learnsection explain the reasoning the tools rest on — why the Epley and Brzycki formulas disagree at high reps, how percentage-based programming works, what counts as a working set for volume, and how the Wilks coefficient levels the field between lighter and heavier lifters. The Iron Museum is a browsable collection of the history of strength training and lifting.

A few things worth stating plainly. GymRec is independent and not affiliated with any gym chain, federation, equipment maker, or supplement brand. It is supported by advertising, which is how the tools stay free with no account required. Every figure a tool produces — an estimated max, a plate layout, a volume total, a percentage, a macro target, a Wilks score — is a general estimate based on the numbers you enter and on standard formulas (Epley/Brzycki, the Wilks coefficient, common macro splits), not a professional determination, and individual results vary. It is general information for education and planning, not medical, fitness, nutrition, or training advice. For anything with your health or safety riding on it, consult a qualified physician before starting a new program, a certified coach for lifting technique and loading, and a registered dietitian for nutrition. If a tool looks wrong, or there’s a calculator you wish existed, the contact page is the place to tell us.