Brandon Lilly is a beast with huge raw and geared powerlifting totals. Following his advice seems like a good idea. This calculator is for the improved Cube program described in his book 365 Strong. Lilly gives you a lot of freedom when choosing your assitance work for this program. You are responsible for your own success and tayloring the program to suit your strengths and especially your weaknesses. (If you are new to powerlifting-style workouts, check out Starting Strength. You’ll progress faster and end up back here soon enough ready to get the most out of The Cube.)


April 9, 2017

The site now is now served securely with https using Let’s Encrypt.

March 22, 2015

Added a 0.75 pound/kilogram plate input.

July 2, 2014

The bar weight input in the form now allows you to enter any weight. Honest folks using 20 kg bars can enter 44 lbs. Others at freaky gyms can enter 18.7 or whatever.

February 23, 2014

Launching The Cube Method calculator.

Thanks to Ronald Mauldin and the folks at The Iron Temple forums for encouraging to build this calculator.

If you encounter any problems, please let me know ( and I’ll fix them as quickly as I can.

Show your appreciation. Support ongoing Web server expenses and continued improvements to this calculator.

I appreciate your support!


  1. Get the 365 Strong book or the original The Cube Method book This calculator does not explain the program or why you might make certain choices. The book explains how to do the exercises properly and how to choose your assistance work.
  2. Enter your current maximum lift numbers in the form below.
  3. Click the “Calculate Program” button.
  4. Print this page.
  5. Lift weights.
  6. Get stronger.