Best Tire Size Calculator Apps

203+ iOS apps curated and reviewed

3.9 avg rating
13 free apps
Updated June 2026

Finding the right tire size calculator app can be overwhelming with so many options. We've analyzed 203+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

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
1.2(6 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
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
6
Tire Size Calculator
Tire Size Calculator
Tire Size Calculator
Upgrade tires/wheels safely
$0.99
$2.99 | 67% 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
(1)
paid
7
Tire size correspondence
Tire size correspondence
Tire size correspondence
Metric Tire Conversion
Free
🔧 Utilities
(0)
8
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
9
Tire Size Calculator
Tire Size Calculator
Tire Size Calculator
Best to swap tire size.
$2.99
📊 Productivity
(0)
10
Toolbox TREMEC U.S.
Toolbox TREMEC U.S.
Toolbox TREMEC U.S.
The Go To Digital Toolbox
Free

This application simplifies driveline setup and predicts performance changes from gear ratios and tire size. It offers tools to calculate vehicle speed and RPM variables, aiding in rig planning and performance expectation.

Driveline Angle FinderRPM CalculatorTire Size Calculator
🔧 Utilities
(3)
free
11
TireLab
TireLab
TireLab
Tire and wheel calculator
$1.99

This app helps you compare and visualize different tire and wheel configurations for your vehicle. It calculates key dimensions, checks for fitment issues, and provides technical references. Supports both Imperial and Metric units.

Compare tire and wheel dimensionsVisualize configurations with cutaway viewsFitment calculator for vehicle compatibility
🔧 Utilities
(5)
paid
12
Gear Speed and Tire Size
Gear Speed and Tire Size
Gear Speed and Tire Size
by Scott Galaba
$0.99
$1.99 | 50% OFF

Calculate and compare transmission gear ratios with various tire and wheel sizes. Visualize results with interactive graphs and save them as PDFs. Includes calculators for gear speed, and both inch and millimeter tire sizes.

Gear speed and tire size comparisonInteractive gear speed graphPrintable/savable PDF results
📊 Productivity
(0)
paid
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
(55K)
free with in-app purchases
14
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion
🔧 Utilities
(384)
free with in-app purchases
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
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
(201)
paid
17
Discount Tire
Discount Tire
Discount Tire
#1 selection of tires & wheels
Free

Shop for a vast selection of tires and wheels for various vehicles. Visualize how new wheels look on your car before purchasing and discover current deals and promotions. Easily locate and contact nearby stores, and manage your credit card account.

Largest tire and wheel selectionWheel visualizer for vehiclesFind current rebates and promotions
🛍️ Shopping
(249)
free
18
Landscaping Calculator Plus
Landscaping Calculator Plus
Landscaping Calculator Plus
by Inch Calculator
Free

Easily estimate landscaping materials like gravel, soil, mulch, and concrete. Supports multiple units of measurement for accurate project planning. Ideal for DIYers and professionals.

10 landscaping material calculatorsEstimate gravel, soil, mulch, concreteSupports inches, feet, yards, cm, meters
🔧 Utilities
(2.8K)
ad-supported
19
Plus-Sizing TIRE PRESSURE CALC
Plus-Sizing TIRE PRESSURE CALC
Plus-Sizing TIRE PRESSURE CALC
For Plus Sizing Wheel.
Free

Calculate optimal tire pressure for your vehicle based on selectable tire standards and pressure units. Proper inflation enhances performance, prevents flats, saves fuel, and supports sustainability goals.

Selectable tire standards (XL, RFD, ETRTO, TRA, JATMA)Switchable pressure units (kPa, bar, kg/cm2, psi)Optimize tire performance
🔧 Utilities
(2)
ad-supported
20
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.2K)
free with in-app purchases

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