Fitness & Gym Tools
Repeat-use training utilities and transparent estimates for lifting, running and cardio planning.
Use these tools together: estimate a training load, convert it into plates, time your rest and record session volume.
Plate Calculator
Find exact or closest symmetric barbell loading from the selected bar and available plate inventory.
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One-Rep Max Calculator
Compare Epley, Brzycki and Lombardi one-rep max estimates and percentage training loads.
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Workout Rest Timer
Run drift-corrected between-set timers with editable presets, audio, vibration and a set counter.
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Running Pace & Race Time Calculator
Solve pace, time or distance, create race splits and view a clearly labelled equivalent-race estimate.
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Heart Rate Zone Calculator
Estimate five training zones using percent-max or Karvonen heart-rate reserve with clear limitations.
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Training Volume Calculator
Calculate per-exercise and session tonnage, compare a prior session and store local history.
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Connected tools instead of isolated answers
The one-rep max calculator links percentage loads directly into the plate calculator. The workout rest timer and training volume calculator support repeat-use workflows without requiring an account.
Estimates have limits
Heart-rate and strength outputs are broad planning estimates. They do not determine exercise safety, readiness, technique or an appropriate programme.