Squat 1RM Calculator
Calculate your One Rep Max for Low-Bar, High-Bar Olympic, Front Squat, and Paused Squats.
Set Details
Squat Biomechanics: Torque & Stance Selection
Squat strength depends on pelvic morphology, femur length, ankle dorsiflexion, and intra-abdominal bracing pressure.
Anatomy of Stance Width
- Narrow Stance (Olympic): High quad bias, requires 35°+ ankle dorsiflexion, deep hip flexion.
- Moderate Stance (1.2–1.4× Shoulder): Balanced torque distribution between knee and hip extensors.
- Wide Stance (Powerlifting): Shortens vertical bar displacement, recruits adductor magnus and gluteus medius.
Frequently Asked Questions
Key questions on squat 1RM calculations.
In powerlifting (IPF/USAPL), the top surface of the leg at the hip crease must descend lower than the top of the knee cap (breaking parallel).
An elevated heel (0.5 to 0.75 inches) increases effective forward knee translation, keeping the torso more upright in high-bar and front squats to maximize quad drive.