Proportional Web Font-Size Ladder
Build a reusable typography ladder and compare candidate heading and body sizes.
It is only processed in the browser, not uploading or saving. Leaving the page will be cleared; the calculation can also be cleared and the result can be discarded. Do not enter other people's credentials or private keys.
Proportional Web Font-Size Ladder User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Start from a 16px body size and a 1.25 ratio to list candidate heading and supporting-text sizes.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Step upward and downward from the base size using a constant ratio, keeping four decimal places.
scope of use
This is not responsive clamp typography or an accessibility certification. Fonts and line heights are not chosen automatically; review small sizes manually.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
This is not responsive clamp typography or an accessibility certification. Fonts and line heights are not chosen automatically; review small sizes manually. Please compare the input unit, rounding method, applicable rules and data version first.