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Deload Calculator

Detect accumulated fatigue from E1RM trends and generate a science-based deload week with RPE-adjusted weights.

Set your profile to auto-fill your training data. Set Profile

Fatigue Detection Mode

Analyzing your training trends...

Enter at least one E1RM value above to generate your deload plan.

What is the Deload Calculator?

The Deload Calculator analyzes your training history to detect accumulated fatigue and generate a personalized deload week. Instead of guessing when you need a break, it reads your estimated one-rep max (E1RM) trends over the past six weeks and identifies the point where fatigue is masking your true strength.

You can also use it without an account - just enter your current E1RMs manually and it will build a science-based deload plan with precise weights, sets, reps, and RPE targets for each lift.

Key Features

  • Auto-detection of fatigue patterns - Compares your current E1RM against your 6-week peak to flag meaningful strength drops
  • Personalized deload percentages - Weights are calculated from your actual E1RMs, not generic defaults
  • Per-lift fatigue scoring - Squat, bench, and deadlift are assessed independently so you only back off where needed
  • 6-week E1RM trend chart - Visual timeline showing how your strength has trended over the training block
  • Manual entry mode - No account required; enter your E1RMs directly to get an instant deload prescription
  • Science-backed protocol - Volume cut by 50%, intensity capped at RPE 7, based on research showing 5-12% long-term strength improvement

Frequently Asked Questions

Most lifters benefit from a deload every 4-8 weeks, depending on training intensity and volume. If your E1RM drops by 5% or more, it is time for a deload.
A standard deload lasts one full week (5-7 days). This gives your nervous system and muscles enough time to recover without losing fitness.
Yes. Deloads reduce volume and intensity, not frequency. Keep the same movement patterns at 60-70% of your 1RM with fewer sets.
Key signs include declining E1RM estimates, persistent fatigue, joint pain, poor sleep, and workouts feeling harder at the same weights.
No. Research shows that a well-timed deload actually improves long-term strength gains by 5-12% compared to continuous progressive overload.