Editorial Bulletin: Evidence-based training guides updated weekly. Explore our new interactive fitness calculators.

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Training & Workout Programming

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Foundational Exercise Library

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Muscle Building & Hypertrophy Physiology

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Interactive Suite

Built For Precision: The RepForge Fitness Calculators

Scientific estimators that help you calculate your 1RM, dial in daily maintenance calories, configure macronutrient splits, and time rest sets.

1RM Strength Estimator

Predict your one-rep maximum using Epley and Brzycki equations with percentage targets.

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TDEE & Calorie Needs

Calculate your daily maintenance, deficit, and muscle-surplus caloric targets.

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Macronutrient Splitter

Optimize your protein, carbohydrate, and fat targets for cutting or hypertrophy.

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BMI Athlete Evaluator

Evaluate body mass index with critical context on muscle mass and skeletal frame.

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Workout Rest Timer

Stay focused between sets with audio chimes and customizable rest intervals.

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Weekly Workout Planner

Design, customize, and print your 7-day PPL, Upper/Lower, or Full-Body schedule.

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Sports Nutrition & Fueling

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Fitness Equipment & Hardware Engineering

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Editorial Credibility & Staff

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Marcus Vance, CSCS

Marcus Vance, CSCS

Senior Strength & Conditioning Editor

14+ Years Coaching & Strength Journalism

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Elena Rostova, MS, RD, CSSD

Elena Rostova, MS, RD, CSSD

Lead Performance Nutrition Editor

11+ Years Clinical & Sports Dietetics

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David Chen, CPT, FMS-2

David Chen, CPT, FMS-2

Mobility & Functional Training Editor

9+ Years Movement Coaching

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Sarah Jenkins, USAW-L2

Sarah Jenkins, USAW-L2

Olympic Lifting & Equipment Review Director

10+ Years Competitive Weightlifting & Equipment Analysis

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