GymCalc Max – 1RM
Lift math made simple
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About
Lift smarter with precise strength tools built for barbell training. Calculate 1RM, plan plates, and generate warmups in seconds—no clutter, just results.
Highlights
Accurate 1RM: Multiple formulas for reliable estimates
Plate math: Auto-calculate loading in kg/lb, fast copy for the platform
Warmups: Build smooth ramp-up sets based on your target
Secondary sets: Quick projections for common rep ranges
Dual units: Instant kg ↔ lb switching with saved preferences
Sleek UI: Minimal, focused design for quick entries
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What's New in GymCalc Max
1.5
March 10, 2026
Bar weight now saves your custom value — no more resetting to 20 kg / 45 lbs Improved plate-friendly rounding accuracy More precise plate calculations Consistent number formatting across the converter General bug fixes and performance improvements
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