Free tools that each answer one home gym, training, recovery or nutrition question. No sign-up, no email needed. Equipment specs come from the makers’ published specs.
Home gym
Rack Attachment Fit CheckerWill this attachment fit my rack?Pick your rack, or enter its upright and hole size, and see which of 139 attachments from 21 makers fit, need a check, or won’t fit.
Bulletproof Attachment CheckerWhat do I need for this Bulletproof attachment?Checks Bulletproof Fitness attachments against your rack’s upright size, hole size and inside width.
Power Rack Comparison ToolWhich rack should I buy?Compare up to three racks side by side: tube and hole size, hole spacing, base type and which attachments fit.
Upright stiffness calculatorHow much stiffer is 11-gauge?Compare two uprights by tube size, wall gauge and bending direction. Also built into the 11 vs 14-gauge guide.
Home Gym Room PlannerWill this rack fit my room?Floor space with a loaded bar, ceiling and assembly height, pull-up and overhead-press headroom, and how many stall mats you need.
My GymWhere did I save that rack?Your saved racks, build list, rooms and flooring projects from the tools, together on one page in your browser.
Flooring calculatorWhich floor, and how much do I need?Find a floor, count pieces and cost, and check rack fit and floor slope. Also built into the home gym flooring guide.
Squat Machine FinderWhich squat machine fits me?Eight questions about your back, rack, space, working weight and budget, then your top two or three picks with the catch on each.
Plate CalculatorWhat plates do I load on each side?Enter a target weight and see the plates per side, plus how many plates fit on 97 barbells and 153 plate lines.
How to measure your rackWhich numbers decide whether it fits?The three measurements that matter, and how to take them with a tape measure and a caliper.
Hypertrophy
Weekly Sets PlannerAm I doing enough sets per muscle?List your week and see hard sets per muscle, with indirect sets counted as half, against an evidence-based starting range.
Cable Pulley Ratio CalculatorWhat pin gives me the weight I want?For 1:1, 2:1 and 4:1 cable machines, with published ratios for 79 machines across 27 brands.
VOLTRA Exercise Setup GuideHow do I set up this exercise on my VOLTRA?Pick a muscle and what your VOLTRA I is mounted to, and get the anchor height, cable line, attachment and any extra gear for each exercise.
Garage sauna cost calculatorWhat will a sauna cost to buy, install and run?
Protein CalculatorHow much protein do I need, and what will it cost?