Hours, Minutes & Seconds to Milliseconds Converter

Type hours, minutes, and seconds to get milliseconds instantly.

Milliseconds
0
= (0 h × 3,600,000) + (0 min × 60,000) + (0 s × 1,000)
Tip: Enter non-negative whole numbers. Values are not auto-normalized.

About this tool

This calculator converts a duration in hours, minutes, and seconds into milliseconds. Results update in real time and show a clear breakdown of the math used.

How to use

  1. Enter Hours (optional), Minutes (optional), and Seconds (optional).
  2. See the Milliseconds result and the detailed breakdown below the inputs.
  3. Click Copy Result to copy the milliseconds value.
  4. Use Reset to clear inputs and start again.

Example

Input

  • Hours: 1
  • Minutes: 30
  • Seconds: 15

Output

5,415,000 ms

Breakdown: (1 × 3,600,000) + (30 × 60,000) + (15 × 1,000)

Formula used

milliseconds = (hours × 3,600,000) + (minutes × 60,000) + (seconds × 1,000)