Affiliate Disclosure: Tire Size Tool

Last updated: 2026-09-13

This Affiliate Disclosure explains how Tire Size Calculator ("we", "us", "our"), operated by Tire Size Calculator, earns revenue through affiliate marketing programs and merchant partnerships.

Amazon Associates Disclosure

Tire Size Calculator is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon.com and affiliated sites.

As an Amazon Associate, we earn from qualifying purchases.

When you click on an affiliate link on this website and purchase a product on Amazon, we may earn a small commission at no additional cost to you. The price you pay for any automotive tool or tire accessory remains identical whether you use our links or navigate directly to the retailer.

Product Recommendations & Editorial Independence

Our tire size comparison calculators, speedometer error calculators, and metric-to-inch converters are free to use. We only recommend digital pressure gauges, portable 12V inflators, tread depth gauges, and emergency repair kits that provide genuine utility to motorists and DIY vehicle owners.

Our tire dimension calculations are strictly based on standard ISO metric and P-metric tire sizing formulas (TRA and ETRTO standards). Commercial partnerships do not influence our dimensional data or fitment guidance.

FTC Compliance

In compliance with Federal Trade Commission (FTC) guidelines, affiliate links across Tire Size Calculator are explicitly tagged with rel="sponsored noopener" to ensure full transparency.