BarMath: Plate Calculator

Calculate exactly which plates to load for any barbell weight. Always load the bar to the exact plate with or without collars considered.

BarMath makes loading a barbell fast, simple, and mistake-free.

Enter your target weight, choose pounds or kilograms, and BarMath instantly shows you which plates to place on each side of the bar.

Whether you are training at home, lifting in a commercial gym, or preparing for competition, BarMath helps you spend less time doing plate math and more time lifting.

Features

Calculate barbell plate combinations instantly Switch between pounds and kilograms Choose your bar weight Configure the plates available in your gym See a clear visual breakdown for each side of the bar Save your preferred equipment setup Quickly adjust the target weight between sets Works without workout tracking or unnecessary account setup

BarMath uses your selected plate inventory to find a practical combination for the weight you want to lift. Your saved setup becomes the default, so repeated calculations stay fast and convenient.

From warm-up sets to heavy attempts, BarMath gives you a clear answer every time.

No spreadsheets. No mental math. Just load the bar and lift