BarMath: Plate Calculator

One Nonstop Engineer

About this app

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