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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)
94 tools
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Cardio
Zone 2 Program Builder
Build a progressive Zone 2 aerobic base program.
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Cardio
Tempo Run Calculator
Calculate tempo run pace and duration from race times.
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Cardio
Hill Sprint Protocol
Progressive hill sprint training for power and conditioning.
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Cardio
Fartlek Training Guide
Unstructured speed play sessions for variety and adaptation.
🎭
Cardio
Polarized Training Plan
80/20 polarized endurance training with zone distribution.
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Cardio
Lactate Threshold Intervals
Cruise intervals and tempo sessions to push lactate threshold.
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Cardio
MAF Method Calculator
Calculate MAF heart rate (180 minus age) for aerobic base building.
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Cardio
Duathlon Training Plan
Run-bike-run training plan for duathlon preparation.
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Cardio
Sprint Triathlon Plan
Beginner sprint triathlon training plan: swim-bike-run.
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Cardio
StairMaster Workout Guide
3 StairMaster workouts from fat burn to HIIT.
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Cardio
Elliptical Workout Guide
Maximize the elliptical: intervals, resistance, and backwards training.
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Cardio
12-Min Row Test
Rowing equivalent of the Cooper test with VO2 estimation.
🚣‍♀️
Cardio
2K Row Standards
2000m rowing standards by age, sex, and weight class.
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Cardio
6-Minute Walk Test
Clinical walking test for baseline fitness in deconditioned adults.
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Cardio
Queens College Step Test
3-minute step test to estimate VO2 max without running.
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Cardio
Activity Calorie Database
Calorie burn for 50+ activities by duration and body weight.
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Cardio
Jog-Walk Program
Structured walk-jog intervals for absolute beginners.
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Cardio
Bike Fit Calculator
Calculate saddle height, handlebar reach, and frame size.
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Cardio
Swim Stroke Guide
Technique cues for freestyle, backstroke, breaststroke.
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Cardio
SUP Fitness Guide
Stand-up paddleboard workout for core and cardio.
📏
Cardio
Standing Long Jump Test
Test lower body power with the broad jump.
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Cardio
Shuttle Run Test
5-10-5 pro agility test protocol and scoring.
Cardio
Reaction Time Test
Test and train your visual reaction speed.
🦩
Cardio
Stork Balance Test
Single-leg balance assessment with eyes open and closed.
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20 evidence-based guides, 5 challenges, and 5 value bundles — complete with PDFs, Excel trackers, and protocols.

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