TireCalc - Bike Pressure

Road · Gravel · MTB Calculator

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Calculate optimal bike tire pressure — science-based, instant results, no account needed. Calculate optimal bike tire pressure — science-based, instant results, no account needed. SCIENCE-BASED TireCalc uses the Berto/Adams formula, the industry reference for tire pressure calculation. Separate front and rear results based on your bike type's weight distribution. Transparent methodology — no black box. ALL FACTORS CONSIDERED • 4 bike types: Road, Gravel, MTB, Fat Bike • 3 tire types: Clincher, Tubeless (−12%), Tubular (−5%) • 2 rim types: Hooked & Hookless (ETRTO limit) • 5 surfaces: Smooth to offroad • Wet conditions: −5% pressure correction for better grip • Weight from 40–150 kg / 88–330 lbs SAFETY WARNINGS • Hookless rim: Auto-capped at 5 bar (72 PSI) per ETRTO standard • Pinch-flat risk: Warning when pressure is too low with inner tubes • Safety limits per bike type UNITS YOUR WAY Pressure in bar or PSI, weight in kg or lbs — tire width auto-adjusts (mm/inches by bike type). TIRECALC PRO (7-day free trial, then €2.99/year) • All 4 bike types and 5 surfaces • Unlock Tubeless, Tubular & Hookless • Wet conditions (−5% pressure correction) • Temperature compensation (pump pressure for any temperature) • Pressure range (±8%) • Unlimited bike profiles with quick switching • Cancel anytime Works offline. No account needed. Start right away. Privacy Policy: https://tirecalc.nexusrs.com/privacy.html Terms of Use: https://tirecalc.nexusrs.com/terms.html

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The developer, Rene Scheucher, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Rene Scheucher
Size
  • 4.4 MB
Category
  • Utilities
Compatibility
Requires iOS 17.6 or later.
  • iPhone
    Requires iOS 17.6 or later.
  • Mac
    Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Rene Scheucher
  • Developer Website
  • Privacy Policy

    • More by Rene Scheucher