Estimate your 1 rep max with my 1RM calculator, using either Epley or Brzycki. Simply enter the weight lifted and the number of reps to get an estimate of your 1RM.
Calculating macros can be a painful process. With my calculator, you can get started by just providing a few basic details. It'll also walk you through the steps taken to calculate your macros, so you understand the logic behind it.
Put a number on your strength using the Wilks or Sinclair coefficient with my strength calculator. These coefficients exist to enable a fair comparison between lifters of differing bodyweights and/or gender.