Hours to Decimal Calculator

Created by Anna Szczepanek, PhD and Mariamy Chrdileli
Reviewed by Komal Rafay
Last updated: Jan 18, 2024

Welcome to the Omni hours to decimal calculator, a straightforward and convenient tool designed to assist you in effortlessly converting hours to decimals. Whether you're seeking a quick conversion or here to understand the process better, our calculator will simplify the task. Explore and make your time-related calculations a breeze!

Come along to find answers to some commonly asked questions related to the conversion of hours to decimal, such as:

  • How do I calculate hours in decimals?
  • How does the hours to decimals calculator work? And more!

Converting hours into decimals

Converting time into decimal hours, minutes, or seconds is relatively easy; here are the formulas below:

Decimal Hours=h+(m60)+(s3600)Decimal Minutes=(h×60)+m+(s60)Decimal Seconds=(h×3600)+(m×60)+s\footnotesize \begin{align*} \text{Decimal Hours} &= h + \left( \frac{m}{60} \right) + \left( \frac{s}{3600} \right) \\ \text{Decimal Minutes} &= (h \times 60) + m + \left( \frac{s}{60} \right) \\ \text{Decimal Seconds} &= (h \times 3600) + (m \times 60) + s \\ \end{align*}


  • h – The number of hours;
  • m – The number of minutes;
  • s – The number of seconds.

How to use hours to decimal calculator

To utilize the hours to decimal calculator, follow these steps:

  1. Select the desired conversion mode: from hours to decimal or decimal to hours.
  2. Input your values for hours, minutes, and seconds.
  3. If you chose "yes" in See step-by-step solutions?, you will receive a detailed breakdown of the mathematical calculations!

Ensure to input accurate values and enjoy the convenience of the tool for swift and precise time conversions.

Other similar tools

Did you find the decimal hour converter helpful? If you are interested in exploring more similar tools, check out the following calculators:


What is 1 hour and 30 minutes converted into decimal hours?

If you convert one hour and 30 minutes into decimal hours, the result will be 1.5. To convert hours and minutes into decimal hours, add the whole number of hours to a fraction of the minutes divided by 60. To learn more about the conversion, visit the Omni hours to decimal calculator.

How do I convert time into decimal hours?

To calculate time in decimal hours, you can follow these steps:

  1. Note the number of hours.
  2. Divide the number of minutes by 60.
  3. Divide the number of seconds by 3600.
  4. Sum the values from all steps to determine the time duration in decimal hours.
Anna Szczepanek, PhD and Mariamy Chrdileli
Hours to decimal
Clock time (hh:mm:ss)
Hours (hh)
Minutes (mm)
Seconds (ss)
Decimal time
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