Bike Size Calculator
Suggested road or mountain bike frame size from your height and inseam.
Compare Your Options And Get Clear Answers
Suggested road or mountain bike frame size from your height and inseam.
Bike Size Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Bike Quick Guide
Typical values for reference.
| Height cm | Inseam cm | Type | Frame cm |
|---|---|---|---|
| 160 | 73 | 1 | 49 cm |
| 175 | 81 | 1 | 54 cm |
| 185 | 88 | 1 | 59 cm |
| 195 | 94 | 1 | 63 cm |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Bike Size Calculator FAQ
Answers to common questions about this calculator.
Match your height and inseam to the maker size chart.
No. Brands differ; test ride if you can.
Road frame = inseam x 0.665; mountain frame = inseam x 0.685 x 0.7 (roughly).
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.