Cycling FTP from 20-Minute Test Power Calculator
Estimates FTP from a 20-minute maximal effort test: FTP = 0.95 × avg 20-min power. Also computes training zones based on...
Calculators and explainers tagged under Cycling.
Estimates FTP from a 20-minute maximal effort test: FTP = 0.95 × avg 20-min power. Also computes training zones based on...
Calculates TSS = (duration_sec × NP × IF) / (FTP × 3600) × 100, where NP is normalised power, IF = NP/FTP, and FTP is fu...
Computes watts per kilogram W/kg = power_W / weight_kg. Also classifies the rider by W/kg range (untrained < 2, recreati...
Calculates energy expenditure: kJ = power(W) × duration(s) / 1000. At ~22% efficiency, kcal ≈ kJ × (1/4.184) / 0.22 = kJ...
Cycling (and running) power-to-weight ratio in W/kg — the single strongest predictor of climbing performance.
Estimate functional threshold power (FTP) from a single all-out 20-minute time trial: FTP ≈ 0.95 · average_20min_watts....
Compute Critical Power (CP) and the work-capacity above CP, W' (in joules) from a 2-effort all-out test (typically a 3-m...
Estimate the power required to cycle at a given speed on a given grade, accounting for rolling resistance, aerodynamic d...
Estimate calories burned cycling from a chosen MET (metabolic equivalent) value for the intensity, your weight, and the...
Calculates cycling power-to-weight ratio from Functional Threshold Power (FTP) and body mass, and classifies the rider c...
Estimates cycling speed on flat ground from rider power output, total mass, rolling resistance, and aerodynamic drag are...
Calculates all seven cycling training power zones (Coggan zones) from the rider's Functional Threshold Power (FTP) in wa...
Generate the seven Coggan power-training zones (Active recovery → Neuromuscular) as percentages of your Functional Thres...
Compute a cyclist's VAM (Velocità Ascensionale Media) — vertical ascent in metres per hour: VAM = elevation_gain_m · 360...
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