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CalcWolf Fitness 1RM-Rechner (Maximalwiederholung)
Fitness

Calculate Your One Rep Max

Estimate your 1RM for any lift from the weight and reps you can do. Epley, Brzycki, and Lombardi formulas.

📅 Updated April 2026 Formula verified 📖 4 min read 🆓 Free · No sign-up

Schätzung

Epley-Formel: 1RM = Gewicht × (1 + Wiederholungen/30). 80 kg × 8 Wiederholungen: 1RM ≈ 80 × 1,267 = 101 kg. Am genauesten mit 3-10 Wiederholungen. Über 12: Ausdauer verfälscht die Schätzung.

Trainingsprozente

Kraft: 85-95% 1RM, 1-5 Wdh. Hypertrophie: 65-80%, 6-12. Ausdauer: 50-65%, 15+. Die 1RM-Kenntnis ermöglicht präzise Trainingssteuerung.

⚡ CalcWolf Insight

Strength standards for adult males (approximate 1RM relative to body weight): Bench Press — Beginner 0.5x, Intermediate 1.0x, Advanced 1.5x. Squat — Beginner 0.75x, Intermediate 1.5x, Advanced 2.0x. Deadlift — Beginner 1.0x, Intermediate 2.0x, Advanced 2.5x.

Frequently asked questions
Wie berechnen?
Gewicht × (1 + Wdh/30). 60 kg × 10 Wdh: 60 × 1,33 = 80 kg geschätztes 1RM.
Soll ich mein 1RM testen?
Für die meisten unnötig. Schätzung mit 3-5 Wdh ist genau genug und sicherer.
✓ Math logic verified against primary sources → See our verification process
Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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