Table of Contents

## How do I measure the circumference of my bike tire?

Multiply your wheel radius by 2 to find your total wheel diameter. Multiply the wheel diameter by Pi (diameter x 3.14). This final result is the circumference of your bike tire.

## What does 700×25 28C mean?

New Specialized tires have split sizing. So your 700×25/28 tires have the width of a 25c and height of a 28c.

**What is the circumference of a road bike wheel?**

Please note this table is only a guideline and by no means complete or 100% accurate as wheel circumference can vary due to tire pressure, tread selection, tire thickness, rider weight, rim width, and load….Wheel Circumference Setting.

Size | ISO | Circumference (mm) |
---|---|---|

700×25 | 25-622 | 2105 |

700×28 | 28-622 | 2136 |

700×32 | 32-622 | 2155 |

700×35 | 35-622 | 2168 |

**What is the circumference of a 22.5 tire?**

70.7

Diameter, Rollout (Circumference) And Revolutions Per Mile Chart

Diameter | Rollout | Revs/Mile* |
---|---|---|

22 | 69.1 | 960 |

22.5 | 70.7 | 938 |

23 | 72.3 | 917 |

23.5 | 73.8 | 896 |

### What does 700×23 28C mean?

“700” is the overall diameter of the bike tire, measured in millimeters. “28” is the width of the tire, again in millimeters and “c” refers to the width code of the tire (like you’d see when you look at your bike either from behind or in front).

### What size tire is 23-622?

Tire Size Chart

Tire Size | Circumference in Meters | ISO |
---|---|---|

700 x 20C | 2.086 | 20-622 |

700 x 23C | 2.096 | 23-622 |

700 x 25C | 2.105 | 25-622 |

700C Tubular | 2.13 |

**What is the diameter of 700C wheels?**

The more useful number is the diameter of the wheel between the bead seats for the tyre. That’s controlled by ISO standard 5775 and is 622mm for 700c wheels.

**What size is a 23-622?**

## What does 700×23 25C mean?

Some manufacturers (e.g., Specialize) offer two width measurements (e.g., 700×23/25c) to indicate that the carcass is 25 mm wide, but that the tread patch is equivalent to a 23 mm tire.

## What is the circumference of a 24.5 tire?

Diameter, Rollout (Circumference) And Revolutions Per Mile Chart

Diameter | Rollout | Revs/Mile* |
---|---|---|

23.5 | 73.8 | 896 |

24 | 75.4 | 877 |

24.5 | 77.0 | 858 |

25 | 78.5 | 840 |