Important disclaimer: Results produced by Cycling Calculator are estimates only, based on simplified physics models. They are intended as starting points for experimentation, not as precise engineering specifications. Always verify tyre pressure with a calibrated gauge before riding. Do not rely solely on these calculations for safety-critical decisions.
By accessing and using Cycling Calculator ("the website"), you accept and agree to be bound by these Terms of Use. If you do not agree with any part of these terms, please do not use the website. These terms apply to all visitors and users of the website.
Cycling Calculator provides free, browser-based calculators for cycling-related performance metrics including tyre pressure, rolling resistance, gear ratios, and training power zones. The service is provided free of charge and is supported by advertising revenue.
We reserve the right to modify, suspend, or discontinue any part of the service at any time without notice.
All results produced by this website are estimates based on simplified mathematical models. Real-world cycling performance depends on many variables that cannot be captured in an online calculator, including but not limited to:
Calculator outputs should be treated as informed starting points. Fine-tune your setup based on real-world experience, and when safety is a concern, consult a qualified professional.
To the fullest extent permitted by applicable law, Cycling Calculator and its operators shall not be liable for any direct, indirect, incidental, special, or consequential damages arising from:
You use this website and act on its outputs entirely at your own risk.
The content on this website, including calculator results, articles, and FAQ answers, does not constitute professional advice of any kind — including sports science advice, medical advice, or mechanical engineering advice.
For personalised training recommendations, consult a qualified cycling coach. For medical concerns related to exercise, consult a physician. For safety-critical equipment decisions, consult a qualified bicycle mechanic.
All content on this website — including text, graphics, code, design, and calculation methodologies — is owned by Cycling Calculator or its licensors and is protected by copyright law. You may not reproduce, distribute, or create derivative works without prior written permission.
You may share links to this website and quote brief excerpts with clear attribution. Calculator code is proprietary and may not be copied or reproduced.
This website displays advertisements through Google AdSense. Advertisements are selected and delivered by Google based on your browsing history and other factors. Cycling Calculator does not endorse any advertised products or services, and advertisement placement does not imply recommendation. Calculator results are not influenced by advertising relationships.
This website may contain links to external websites for reference purposes (such as scientific papers or industry resources). We do not control these external sites and are not responsible for their content, accuracy, or privacy practices. Links to external sites do not constitute endorsement.
You agree not to:
These Terms of Use shall be governed by and construed in accordance with applicable law. Any disputes arising from use of this website shall be subject to the exclusive jurisdiction of the relevant courts.
We reserve the right to modify these Terms of Use at any time. Changes will be indicated by an updated "last updated" date. Continued use of the website after changes are made constitutes acceptance of the revised terms.
Questions about these Terms of Use may be submitted via our contact form.