Cycling Tools

12 tools available

Use measured power, body mass, gearing, or ride duration to plan the next session. The cycling collection includes transparent FTP protocols, contiguous power zones, W/kg scenarios, workload estimates, aerodynamics, and fueling tools.

  • Estimate FTP
  • Build power zones
  • Plan workload and speed

From an FTP test to a workout-load estimate

Estimate the power anchor, turn it into transparent zone boundaries, then use your own workout duration and normalized power to calculate TSS.

Hill Grade & VAM Calculator

Calculate average climb grade, vertical ascent rate, and elevation gain per distance.

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Cycling TSS Calculator

Estimate Training Stress Score from duration, NP, and FTP.

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Bike Gear Speed Calculator

Calculate rollout and speed from gearing, wheel size, and cadence.

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Power-to-Weight Goal Calculator

Compare the power and weight paths to a target W/kg.

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Hydration Bottle Planner

Turn an hourly fluid target into total fluid and bottle count.

NutritionCyclingTriathlonGeneral

Advanced HR Zone Calculator

Calculate heart-rate training zones with Karvonen, maximum-HR, or running-specific lactate-threshold methods.

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Endurance Fuel & Hydration Starting Points

Plan carbohydrate guidance by session duration, then calculate fluid and sodium totals from athlete-entered rates in metric or imperial units.

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Cycling Power Zones (FTP)

Calculate seven contiguous cycling power zones in watts from FTP, including recovery, endurance, threshold, VO2 max, and sprint ranges.

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Cycling FTP Calculator

Calculate cycling FTP from 20-minute, Zwift ramp, or CTS 2×8-minute test power. See each multiplier, W/kg, and FTP-relative zones.

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Critical Power (CP) Calculator

Calculate your Critical Power and W' using the 3-minute all-out test, two-point, or three-point methods.

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W/kg Power Profile Analyzer

Calculate cycling watts per kilogram for 5-second, 1-minute, 5-minute, and FTP efforts.

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Cycling CdA & Wattage Estimator

Roughly estimate aerodynamic drag and level-ground wattage using rider and bike mass.

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