FREE ONLINE CALCULATOR

Tire Circumference Calculator

Calculate approximate overall tire diameter, circumference and revolutions per mile.

✓ Instant results ✓ Editable inputs ✓ Formula explained

Try the calculator ↓

AUTOMOTIVE · TOOLS

ROAD READY Practical inputs · Clear cost estimates

CALCULATION TOOL

Tire Circumference Calculator

Change any value and calculate again.

Uses the values you enter. No account required.

NASDAQ SYMBOL DIRECTORY

Stock Profit Calculator by Ticker

Choose a listed stock and enter your own buy and sell prices.

AAPL Apple Inc. NVDA NVIDIA Corporation MSFT Microsoft Corporation AMZN Amazon.com, Inc. GOOGL Alphabet Inc. AMD Advanced Micro Devices, Inc. TSLA Tesla, Inc. META Meta Platforms, Inc. PLTR Palantir Technologies Inc. SOFI SoFi Technologies, Inc. INTC Intel Corporation NFLX Netflix, Inc. AAL American Airlines Group, Inc. AAOI Applied Optoelectronics, Inc. AAON AAON, Inc. AARD Aardvark Therapeutics, Inc. ABAT American Battery Technology Company ABCL AbCellera Biologics Inc. ABEO Abeona Therapeutics Inc. ABLV Able View Global Inc. ABNB Airbnb, Inc. ABOS Acumen Pharmaceuticals, Inc. ABSI Absci Corporation ABTC American Bitcoin Corp.

Company names and symbols are taken from a Nasdaq listing snapshot. Stock prices, dividends, and live financial data are not supplied by this calculator.

Browse all 2,731 Nasdaq stock symbols →

HOW IT WORKS

The calculation

Overall tire diameter (in) = rim diameter + 2 × section width(mm) × aspect% ÷ 25.4; circumference = π × diameter.

Read the full guide →

ASSUMPTIONS

Know the limitations

Nominal unloaded tire dimensions; actual rolling circumference varies with load, tire construction, wear and inflation.

Results are estimates derived from your inputs.

ABOUT THIS TOOL

When to use a tire circumference calculator

Calculate approximate overall tire diameter, circumference and revolutions per mile.

All assumptions are visible and adjustable. Check rates and underlying data against original sources before making a decision.