For websites

Put Our Bike Calculators on Your Site

Q: Can I change the size?

Yes: change height in the code. The calculator adapts to the available width, on phones too.

Cycling clubs, bike shops and blogs: copy the code and your visitors get the calculator without leaving your page. Free and cookie-free.

Tire Pressure

Front and rear psi (and bar) by rider weight, tire width, rim and terrain. See the widget.

Code to copy

<iframe src="https://bikeratio.com/embed/presion/" title="Tire Pressure · BikeRatio" width="100%" height="760" style="border:0;max-width:960px" loading="lazy"></iframe>
<p><a href="https://bikeratio.com/calculators/tire-pressure/">Tire Pressure</a> by BikeRatio</p>

Gear Ratios

Chainring × cog chart with gear inches, development, speed and drivetrain comparison. See the widget.

Code to copy

<iframe src="https://bikeratio.com/embed/desarrollos/" title="Gear Ratios · BikeRatio" width="100%" height="760" style="border:0;max-width:960px" loading="lazy"></iframe>
<p><a href="https://bikeratio.com/calculators/gear-ratio/">Gear Ratios</a> by BikeRatio</p>

Bike Size

Your frame size from height and inseam, for every type of bike. See the widget.

Code to copy

<iframe src="https://bikeratio.com/embed/talla/" title="Bike Size · BikeRatio" width="100%" height="760" style="border:0;max-width:960px" loading="lazy"></iframe>
<p><a href="https://bikeratio.com/calculators/bike-size/">Bike Size</a> by BikeRatio</p>

Saddle Height

Saddle height with three methods, adjusted for crank length. See the widget.

Code to copy

<iframe src="https://bikeratio.com/embed/sillin/" title="Saddle Height · BikeRatio" width="100%" height="760" style="border:0;max-width:960px" loading="lazy"></iframe>
<p><a href="https://bikeratio.com/calculators/saddle-height/">Saddle Height</a> by BikeRatio</p>

FTP and Power Zones

Your FTP from a test and your 7 training zones. See the widget.

Code to copy

<iframe src="https://bikeratio.com/embed/ftp/" title="FTP and Power Zones · BikeRatio" width="100%" height="760" style="border:0;max-width:960px" loading="lazy"></iframe>
<p><a href="https://bikeratio.com/calculators/ftp-power-zones/">FTP and Power Zones</a> by BikeRatio</p>

E-Bike Range

How many miles your battery gives you by assist mode, weight, terrain and cold. See the widget.

Code to copy

<iframe src="https://bikeratio.com/embed/ebike/" title="E-Bike Range · BikeRatio" width="100%" height="760" style="border:0;max-width:960px" loading="lazy"></iframe>
<p><a href="https://bikeratio.com/calculators/ebike-range/">E-Bike Range</a> by BikeRatio</p>

Frequently asked questions

How much do the widgets cost?

Nothing. The widgets are free for club, shop, blog and media websites. All we ask is that you keep the link to BikeRatio underneath.

Do you collect data about my visitors?

No. The calculator runs in their browser, with no cookies and no tracking.

Can I change the size?

Yes: change height in the code. The calculator adapts to the available width, on phones too.