Smart Tire Size Calculator is a free Android app developed by ViciousConcepts.CG that helps users adjust their car's wheels to fit perfectly. This app lets you calculate the tire width, tire height, rim diameter, rim width, and rim offset (ET) to ensure that your wheels are the perfect fit for your car.

With Smart Tire Size Calculator, you can choose from a variety of road and off-road tires to find the best fit for your car. Additionally, the app features a live tire size comparison and smart tire sizing capabilities that work with both Imperial and Metric units. The app is easy to use and provides accurate results, making it an essential tool for anyone who wants to upgrade their car's wheels.