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Calculators & Utilities

Time Calculator

Add hours, minutes, and seconds.

Time Calculator

Convert a number of days into hours, minutes, and seconds, or enter days, hours, minutes, and seconds to convert the total into every unit.

Conversion uses 1 day = 24 hours, 1 hour = 60 minutes, and 1 minute = 60 seconds.

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About Time Calculator

Convert a number of days into hours, minutes, and seconds, or enter combined days, hours, minutes, and seconds to see equivalent totals in every unit.

How to use it

  1. Choose the conversion direction.
  2. Enter days for a days-to-time conversion, or enter each time part for a total conversion.
  3. Select Convert time and review the equivalent values.

Key Features

  • Days to hours
  • Days to minutes
  • Days to seconds
  • Combined time to totals
  • Supports fractional days

Frequently Asked Questions

How many hours are in a day?

This calculator uses 24 hours per day.

Can I enter fractional days?

Yes. Fractional days are converted into hours, minutes, and seconds.

Can I convert hours back to days?

Yes. Use the combined time direction and enter the hours, minutes, and seconds; the result includes total days.

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