THE COACH'S TOOLKIT
Clinical-grade coaching tools. Completely free.
Stop doing math in spreadsheets. Bookmark these free utilities to program faster, or upgrade to Fitflux OS to automate this math across your entire roster.
1RM Calculator
Strength
Estimate one-rep max and common working percentages.
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Macro & TDEE Calculator
Nutrition
Calculate calories and macro targets for your goal.
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Plate Loader
Strength
Visualize exact plate loading by side of bar.
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Heart Rate Zones
Conditioning
Calculate training zones for cardio prescriptions.
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Strength Score (Wilks/DOTS)
Strength
Compare relative strength across bodyweights.
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Warm-up Set Planner
Planning
Build ramp-up sets from your top working set.
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RPE / RIR Load Converter
Planning
Translate subjective effort targets into exact load prescriptions.
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Weekly Training Load
Conditioning
Calculate acute-to-chronic workload ratios to prevent overtraining.
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