Field notes.
Training science, programming decisions, and the numbers behind the lifts. Written for people who want to understand why, not just what.

How to Use RPE for Strength Training: A Lifter’s Guide.
RPE is the most useful number in lifting and the easiest to fake. How the scale actually works, why it beats fixed percentages on a bad day, and how to stop lying to yourself about your reps in reserve.

How to Calculate Your 1RM Without Maxing Out.
Five formulas. None of them agree. Most do not come from research. Here is what actually works, and why "which formula" might be the wrong question entirely.
Keep going.
One-rep max.
Estimate your max from any rep count. Five formulas, full percentage table.
Plate calculator.
What to load for any target weight, in lb or kg.
RPE calculator.
Convert rate of perceived exertion to training percentages.
Wilks score.
Bodyweight-adjusted total for comparing strength across weight classes.
DOTS score.
The IPF's newer bodyweight-adjusted scoring formula.
IPF GL points.
The IPF's official Goodlift score, in use at meets since 2020.
Volume calculator.
Weekly sets per muscle group, tonnage, and load management.
Strength ratio.
Screen your squat, bench, and deadlift to find the lift that is lagging.
Stop calculating.
Start tracking.
Log every set in RepRaptor. Free forever for lifters.





