Time to Seconds Converter | H:M:S to Total Seconds Calculator

Quickly convert hours, minutes, and seconds into total seconds. Perfect for video editing, sports timing, and mathematical calculations. Fast, free, and reactive H:M:S converter.

Total Seconds 0

Streamlined Time Conversion

Whether you’re calculating video durations, programming intervals, or solving physics equations, our H:M:S to Seconds converter provides instant accuracy.

Instant Calculation

No “Calculate” button required. The total seconds update in real-time as you enter your data, saving you valuable time.

Decimal Support

Need precise results? Our tool supports decimal inputs for hours, minutes, and seconds for scientific or technical timing needs.

Smart Copy

One-click copy functionality allows you to move your results into spreadsheets, code editors, or documents without formatting errors.

Frequently Asked Questions

How do I convert 1 hour to seconds?

1 hour consists of 60 minutes, and each minute has 60 seconds. Therefore, 1 hour equals 3,600 seconds (60 × 60).

Can this tool handle large time values?

Yes. You can enter large numbers in the hour field, and the tool will calculate the total seconds regardless of the duration length.