Change Clock Scale

The Change Clock Scale Tool lets you convert clock times between different formats and scales instantly. Whether you’re working with 24-hour time, 12-hour AM/PM, decimal time, percent-of-day, degrees on a clock face, or fractional days, this tool has you covered.

Paste times like 14:30, choose the format you want to convert to, and the Change Clock Scale Tool will transform every entry. It updates live and supports copy, export, and file import.

Total items: 0
Options

How to Use:

  1. Paste your times in HH:MM format into the input box, one per line.
  2. In the Options panel, select which scale you want to convert to:
    • 24-hour
    • 12-hour AM/PM
    • Decimal time (e.g. 13.25)
    • Percentage of day (e.g. 55.21%)
    • Degrees on clock (e.g. 270°)
    • Fraction of day (e.g. 0.72)
  3. Output updates automatically with a flashing border to indicate changes.
  4. Use Copy Output or Export to File to save your results.
  5. Click Clear All to reset the tool.

What Change Clock Scale Tool can do:

This tool takes standard HH:MM input and converts it into:

  • 12-hour format with AM/PM suffix
  • Decimal hours (0.00–24.00)
  • Percentage of a full day (0%–100%)
  • Degrees of rotation on a 360° clock face
  • Fractions of a day (0.00–1.00)

You can switch between output formats with a single click.

Example:

Input:
00:00
06:00
12:00
18:00

Mode: Percentage of Day

Output:
0%
25%
50%
75%

Common Use Cases:

This tool is perfect for data visualization, time-series transformations, scheduling systems, and educational tools where you need to express time in different formats like decimal, percentage, or angles. It’s also great for converting between user-facing time formats and backend representations.

Useful Tools & Suggestions:

If you’re adjusting how time’s displayed, Convert Time to Decimal Time can give you a totally different perspective. And when you want to flip formats entirely, Convert Regular Time to Military Time is a quick switch.

Related Tools