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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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Recovery
Posture Assessment
Self-assess common postural deviations and get corrective exercises.
💨
Cardio
Breath Hold Test
Assess CO2 tolerance and stress resilience with the BOLT score.
🔍
Recovery
Mobility Screen
Test 8 key movement patterns and identify your mobility priorities.
🏆
Training
30-Day Challenge Generator
Generate a progressive 30-day fitness challenge for any goal.
🔝
Training
Pull-Up Progression Tracker
Track your pull-up progression from zero to weighted.
👁️
Body
Visual Body Fat Guide
Visual reference guide showing what each body fat percentage looks like.
📅
Nutrition
Refeed Frequency Calculator
How often to schedule refeeds based on body fat and deficit.
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Nutrition
Leucine Threshold Calculator
Ensure each meal hits the leucine threshold for MPS.
🔥
Cardio
Fat Oxidation Zone
Find your peak fat-burning intensity zone.
⚗️
Cardio
Lactate Threshold Estimator
Estimate lactate threshold from race pace or field tests.
💪
Training
Push-Up Fitness Test
Assess upper body endurance with the push-up test.
🧘
Recovery
Sit & Reach Test
Measure hamstring and lower back flexibility.
🧱
Training
Plank Hold Test
Assess core endurance with timed plank hold standards.
🏃‍♂️
Cardio
Cooper 12-Min Run Test
Perform and score the classic Cooper aerobic fitness test.
📢
Cardio
Beep Test Calculator
Convert beep test levels to VO2 max and fitness rating.
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Nutrition
Teen Calorie Calculator
Age-appropriate calorie needs for teens 13-18.
🧓
Recovery
Senior Fitness Calculator
Adjusted recommendations for adults 60+.
👶
Recovery
Postpartum Return Plan
Safe timeline for returning to exercise after pregnancy.
🩹
Recovery
Return to Training Timeline
Estimated return timelines for common injuries.
🥬
Nutrition
Anti-Inflammatory Food Score
Score your daily diet on the anti-inflammatory index.
🦠
Nutrition
Gut Health Checklist
Assess digestive health and get improvement strategies.
🌱
Nutrition
Plant Protein Combiner
Combine plant proteins to get complete amino acid profiles.
📈
Nutrition
Lean Bulk Calculator
Plan a controlled surplus for maximum muscle with minimal fat.
🎯
Cardio
Endurance Training Zones
5-zone endurance training system with pace and HR targets.
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