Best Tire Size Calculator Apps

249+ iOS apps curated and reviewed

4.0 avg rating
15 free apps
Updated August 2026

Finding the right tire size calculator apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Tire Size Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tire SizesTire SizesFree4.6★ (58)NoYesAug 2026
2Tire Size FitmentTire Size FitmentFree4.2★ (97)NoYesJul 2026
3Tire Size Calculator - UpsizeTire Size Calculator - UpsizeFree1.1★ (7)NoNoAug 2026
4Tire Size Calculator.Tire Size Calculator.FreeNoYesJul 2026
5Tire Size Calculator +Tire Size Calculator +FreeYesNoAug 2026
6Tire Size CalculatorTire Size CalculatorFree was $1.99NoNoAug 2026
7Tire Size Calculator PlusTire Size Calculator Plus$2.993.6★ (5)NoNoMay 2026
8Tire Size CalculatorTire Size Calculator$2.99YesNoAug 2026

Top Picks for Tire Size Calculator

Tire Sizes#1

Tire Sizes by Zaven Hovhannisyan

Calculations and Suggestions
Editor's Choice
🔧 Utilities
4.6(58 ratings)
FreeIn-App Purchases
Tire Sizes screenshot 1
Tire Sizes screenshot 2
Tire Sizes screenshot 3
Tire Sizes screenshot 4
Tire Sizes screenshot 5
Tire Sizes screenshot 6

Find essential tire dimensions and receive suggestions for new tire sizes. Compare wheels visually and by specifications like offset and width. Discover factory tire sizes for your car and compare motorcycle tires across different measurement systems.

Tire Size Fitment#2

Tire Size Fitment by Nikita Morozov

Tire size calculator
Strong Contender
🔧 Utilities
4.2(97 ratings)
FreeIn-App Purchases
Tire Size Fitment screenshot 1
Tire Size Fitment screenshot 2
Tire Size Fitment screenshot 3
Tire Size Fitment screenshot 4
Tire Size Fitment screenshot 5

Calculate tire and wheel fitment for your vehicle. This app helps you understand tire stretch, rolling radius, and speedometer error. It also allows for multiple wheel comparisons and saving results as images.

Tire Size Calculator - Upsize#3

Tire Size Calculator - Upsize by Gorasiya Vishal Nanjibhai

Tyre Size Comparison
Worth Considering
🔧 Utilities
1.1(7 ratings)
Free
Tire Size Calculator - Upsize screenshot 1
Tire Size Calculator - Upsize screenshot 2
Tire Size Calculator - Upsize screenshot 3

Calculate and compare tire sizes for your vehicle. This tool helps you understand the impact of different tire dimensions on performance and ensures your speedometer remains accurate after upgrades. It's designed for automotive enthusiasts and anyone looking to optimize their vehicle's setup.

More Tire Size Calculator apps to explore

4
Tire Size Calculator.
Tire Size Calculator.
Tire Size Calculator.
Tire & Wheel Size Calc
Free
🔧 Utilities
(0)
5
Tire Size Calculator +
Tire Size Calculator +
Tire Size Calculator +
Compare & Speedo Error
Free
🔧 Utilities
(0)
6
Tire Size Calculator
Tire Size Calculator
Tire Size Calculator
Cars, LT, Moto & Weight
Free
$1.99 | 100% OFF

Easily compare tire and wheel specifications for upgrades. Calculate equivalent sprung weight differences and get safe, performance-enhancing recommendations. Supports both Imperial and Metric units.

Compare tire and wheel specsGet upgrade recommendationsCalculate sprung weight difference
🔧 Utilities
(0)
paid
7
Tire Size Calculator Plus
Tire Size Calculator Plus
Tire Size Calculator Plus
Compare Tire Sizes with Visual
$2.99

Easily compare the specifications of two tires before purchasing. Calculate differences in diameter, width, sidewall, circumference, and revolutions per mile. Includes visual illustrations and speedometer adjustments for different tire sizes.

Compare two tire sizesCalculate diameter, width, sidewall, circumferenceRevolutions per mile calculation
🔧 Utilities
(5)
paid
8
Tire Size Calculator
Tire Size Calculator
Tire Size Calculator
Best to swap tire size.
$2.99
📊 Productivity
(0)
9
Tire size correspondence
Tire size correspondence
Tire size correspondence
Metric Tire Conversion
Free
🔧 Utilities
(0)
10
Wheel Size
Wheel Size
Wheel Size
Wheel and tire size database
Free

Access a comprehensive database for vehicle wheel and tire fitment information. Find OE and aftermarket options, including plus-minus sizing, for over 110 car makes and 3800+ models. Data is updated daily and covers vehicles manufactured since 2000 with nearly 100% accuracy.

Wheel and tire fitment data lookupOE and aftermarket optionsPlus-minus sizing information
🔧 Utilities
(60)
ad-supported
11
Car Tire Size Calc
Car Tire Size Calc
Car Tire Size Calc
Rim Offset & Speedo Compare
$0.99
🔧 Utilities
(0)
12
Tire Pressure Calculator
Tire Pressure Calculator
Tire Pressure Calculator
Titan International
Free
🔧 Utilities
(0)
13
My Firestone
My Firestone
My Firestone
Firestone Complete Auto Care
Free

Manage your vehicle's maintenance, track service history, and find nearby locations. Schedule appointments, request roadside assistance, and access exclusive offers. Keep your car running smoothly with convenient digital tools.

Track maintenance alertsReview service historyManage multiple vehicles
✈️ Travel
(58K)
free with in-app purchases
14
Tire Calculator (Offset&Speed)
Tire Calculator (Offset&Speed)
Tire Calculator (Offset&Speed)
Offset & speed error calc.
$1.99

Easily calculate wheel offset and speedometer errors after tire changes. This tool helps determine changes in rim position, tread width, and actual speed versus displayed speed. It also offers GPS-based speedometer error measurement.

Wheel offset calculationSpeedometer error calculationGPS speedometer error measurement
🔧 Utilities
(4)
paid
15
Gravel Calculator Plus
Gravel Calculator Plus
Gravel Calculator Plus
by Inch Calculator
Free

Easily estimate the quantity of various landscaping and hardscaping materials like gravel, stone, and sand. Get precise measurements in tons, cubic yards, or cubic meters for your projects.

Estimate gravel, stone, rock, sand, and topsoilCalculate material needed for landscapingCalculate material needed for hardscape projects
🔧 Utilities
(1.7K)
ad-supported
16
Rollout Calculator
Rollout Calculator
Rollout Calculator
Calculate cycle gear rollouts
Free
🔧 Utilities
(0)
17
Tire Size Scanner & Finder
Tire Size Scanner & Finder
Tire Size Scanner & Finder
Identify Any Wheel Instantly
Free
🔍 Reference
(0)
18
iSeal Calculator
iSeal Calculator
iSeal Calculator
iSeals Tires
Free
🔧 Utilities
(0)
19
Motorcycle Tyre Size Calc
Motorcycle Tyre Size Calc
Motorcycle Tyre Size Calc
Motorcycle Tyre Code Explain
$2.99
🔧 Utilities
(0)
20
Smart - Scientific Calculator
Smart - Scientific Calculator
Smart - Scientific Calculator
by Shreyaskumar Patel
Free

This utility app offers a comprehensive suite of calculators for everyday financial, health, and date-related needs. It includes tools for loans, investments, taxes, health metrics, and unit conversions, along with a math solver.

Basic & Scientific CalculationsLoan & Investment CalculatorsHealth & Date Calculators
🔧 Utilities
(1)
ad-supported

FAQ about Tire Size Calculator

What are the best tire size calculator apps for iPhone?
Tire Sizes tops our tire size calculator apps ranking as of August 2026, with a 4.6-star average from 58 App Store ratings, and it's free to download.
Yes — 15 of the top tire size calculator apps we rank are free to download, including Tire Sizes and Tire Size Fitment.
Tire Sizes has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ tire size calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Tire Sizes allows you to find the factory tire size for your specific car. This feature helps ensure compatibility and optimal performance by providing the original equipment manufacturer's recommended dimensions.
Yes, Tire Sizes offers comprehensive wheel comparison features. You can visually compare wheels and also compare them based on specifications like offset and width, aiding in informed purchasing decisions.

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