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Health & Fitness Tools

900+ free calculators, planners, and assessment tools.

All (900) Biomarkers (63) Body (39) Cardio (94) Nutrition (138) Psychology (51) Recovery (175) Strength (60) Supplements (52) Training (228)
900 tools
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Training
German Volume Training
10ร—10 program with proper loading and rest periods.
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Strength
5/3/1 Calculator
Calculate Wendler 5/3/1 training maxes and weekly percentages.
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Strength
Smolov Squat Calculator
Calculate loads for the Smolov squat specialization program.
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Training
Hypertrophy Rep Range Guide
Optimal rep ranges for each muscle group based on research.
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Training
Frequency Optimizer
Find optimal training frequency for each muscle group.
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Recovery
Fatigue Index Score
Multi-factor fatigue assessment for training load management.
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Recovery
Foam Rolling Guide
Complete foam rolling routine by body region with timing.
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Recovery
Nerve Mobilization Guide
Nerve gliding exercises for common compression syndromes.
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Recovery
TMJ Assessment
Jaw tension self-assessment and relief exercises.
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Strength
PR Attempt Planner
Plan your peaking week for a new personal record attempt.
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Strength
Grip Training Program
Progressive grip training program for deadlifts and carries.
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Strength
Power Clean Readiness
Mobility and strength prerequisites for power cleans.
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Nutrition
Daily Carb Calculator
Calculate carb needs based on training volume and goals.
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Nutrition
Daily Fat Calculator
Calculate fat needs for hormones, satiety, and performance.
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Nutrition
Eating Window Optimizer
Optimize your daily eating window for circadian health.
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Psychology
Do I Need a Coach?
Self-assessment to determine if hiring a coach would benefit you.
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Recovery
Rest Day Activity Guide
Active recovery options ranked by recovery benefit.
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Training
Travel Fitness Plan
Maintain fitness while traveling with equipment-free options.
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Training
Age-Adapted Training Guide
Training adjustments for each decade: 20s through 70s.
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Training
Exercise Risk-Benefit Matrix
Evaluate exercises by benefit-to-risk ratio for your goals.
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Supplements
Probiotic Strain Guide
Match probiotic strains to specific health goals.
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Supplements
Adaptogen Guide
Compare adaptogenic herbs by evidence and best use.
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Supplements
Supplement Interaction Checker
Check for common supplement-supplement and supplement-drug interactions.
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Biomarkers
Lipid Goal Calculator
Personalized ApoB and LDL-C targets based on risk factors.
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Guides & Challenges

20 evidence-based guides, 5 challenges, and 5 value bundles โ€” complete with PDFs, Excel trackers, and protocols.

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