Recovery Calculators

TSS, training load, and recovery tracking calculators.

17 calculators available

ACWR Calculator

Acute:Chronic Workload Ratio.

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ATL (Fatigue) Calculator

Acute Training Load: 7-day exponentially weighted avg of daily TSS.

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Critical Power Calculator

CP from two tests: CP = (W2-W1)/(T2-T1).

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CTL (Fitness) Calculator

Chronic Training Load: 42-day exponentially weighted avg of daily TSS.

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Cycle Phase Training Guide

Training adapted to menstrual cycle phases.

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Cycling TSS Calculator

TSS = (duration_sec x NP x IF) / (FTP x 3600) x 100.

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Fitness & Freshness Dashboard

Performance Management Chart: CTL (fitness), ATL (fatigue), TSB (form) tracked over time.

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General TSS Calculator

TSS for non-cycling: hrTSS = (duration x TRIMP_exp x IF x gender_factor) / threshold.

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HRV Readiness Score

HRV-based readiness: compare morning HRV to 7-day rolling average.

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Intensity Factor Calculator

IF = NP / FTP.

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Muscle Recovery Calculator

Recovery time by muscle group: Large (quads/back) 48-72h, Medium (chest/shoulders) 48h, Small (biceps/triceps) 24-48h.

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Normalized Power Calculator

NP accounts for variability: 30s rolling avg, raise to 4th power, average, take 4th root.

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Overtraining Risk Calculator

Risk factors: ACWR >1.

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Race Readiness Score

Race readiness composite: TSB, training consistency, taper quality, sleep, nutrition, illness/injury status.

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Swim TSS Calculator

Swimming TSS = (duration x IF^2) / 3600 x 100.

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TRIMP Calculator

TRIMP (Training Impulse) = duration x delta_HR_ratio x exp(b x delta_HR_ratio).

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TSB (Form) Calculator

Training Stress Balance = CTL - ATL.

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By the maker of 170+ free training calculators