Time Converter
Use this Time Converter to quickly convert between hours, minutes and seconds for everyday calculations and planning.
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About the Creator
MyCruncher — Founded by Bobby Dues
MyCruncher provides free online calculators designed to make everyday calculations easier to understand and use.
Meet Bobby Dues →Free Time Converter – Convert Hours, Minutes and Seconds
Need to convert hours to minutes, minutes to seconds, or seconds back to hours? The free MyCruncher Time Converter helps you quickly calculate equivalent amounts of time.
Whether you're tracking work hours, planning a schedule, timing a workout, following cooking instructions, or completing a math assignment, this calculator makes everyday time conversions easier.
Simply enter an amount, choose the original time unit, select the destination unit, and click Convert Time.
The calculator displays the equivalent duration in your selected time unit. You can change the amount or units whenever needed.
How to Use the Time Converter
The MyCruncher Time Converter uses three simple inputs: an amount, a starting unit, and a destination unit.
- Enter Amount. Type the duration you want to convert, such as 2, 30, or 90.
- Select From. Choose Hours, Minutes, or Seconds as your starting measurement.
- Select To. Choose the unit you want the result to be expressed in.
- Click Convert Time. The calculator displays your converted value.
- Review the result. Check that the number and selected destination unit match your intention.
- Try another conversion. Change the amount or units and calculate again.
How Does Time Conversion Work?
Time conversion changes a duration from one unit into an equivalent duration using another time unit.
Hours, minutes and seconds have fixed relationships. One hour contains 60 minutes, and one minute contains 60 seconds.
To convert from a larger unit into a smaller unit, multiply by the number of smaller units it contains.
To convert from a smaller unit into a larger unit, divide by the appropriate conversion factor.
How to Convert Hours to Minutes
Multiply the number of hours by 60 to calculate minutes.
Hours to Minutes Calculation Example
Example: Suppose you want to convert 2 hours into minutes.
Step 1: Identify the Starting Amount
Step 2: Identify the Conversion Factor
Step 3: Multiply
This is the same conversion shown in the default MyCruncher Time Converter example.
Step 4: Convert Minutes to Seconds
Hours to Minutes Conversion Chart
| Hours | Minutes |
|---|---|
| 0.25 | 15 |
| 0.5 | 30 |
| 0.75 | 45 |
| 1 | 60 |
| 1.5 | 90 |
| 2 | 120 |
| 3 | 180 |
| 4 | 240 |
| 5 | 300 |
| 8 | 480 |
| 10 | 600 |
| 12 | 720 |
| 24 | 1,440 |
How to Convert Minutes to Hours
Divide minutes by 60 to convert them into decimal hours.
Minutes to Hours Example
Suppose you have 150 minutes of work.
The decimal value 2.5 hours means two full hours plus half an hour, or 30 additional minutes.
Minutes to Decimal Hours Chart
| Minutes | Decimal Hours |
|---|---|
| 5 | 0.0833 |
| 10 | 0.1667 |
| 15 | 0.2500 |
| 20 | 0.3333 |
| 30 | 0.5000 |
| 40 | 0.6667 |
| 45 | 0.7500 |
| 50 | 0.8333 |
| 60 | 1.0000 |
| 90 | 1.5000 |
| 120 | 2.0000 |
Decimal values are rounded to four places in this table. Use adequate precision for payroll or other important calculations.
How to Convert Minutes to Seconds
Every minute contains exactly 60 seconds. Multiply the number of minutes by 60.
Minutes to Seconds Example
Example: Suppose your workout interval lasts 15 minutes.
This is useful when comparing workout timers, video durations, or timed activities.
Minutes to Seconds Conversion Chart
| Minutes | Seconds |
|---|---|
| 1 | 60 |
| 2 | 120 |
| 3 | 180 |
| 5 | 300 |
| 10 | 600 |
| 15 | 900 |
| 20 | 1,200 |
| 30 | 1,800 |
| 45 | 2,700 |
| 60 | 3,600 |
| 90 | 5,400 |
| 120 | 7,200 |
How to Convert Seconds to Minutes
Divide the number of seconds by 60 to find the equivalent number of minutes.
Seconds to Minutes Example
Suppose a video lasts 450 seconds.
Remember that 7.5 minutes means seven and a half minutes, not seven minutes and five seconds.
Seconds to Minutes Conversion Chart
| Seconds | Minutes |
|---|---|
| 15 | 0.25 |
| 30 | 0.50 |
| 45 | 0.75 |
| 60 | 1.00 |
| 90 | 1.50 |
| 120 | 2.00 |
| 180 | 3.00 |
| 300 | 5.00 |
| 600 | 10.00 |
| 900 | 15.00 |
| 1,800 | 30.00 |
| 3,600 | 60.00 |
How to Convert Hours to Seconds
One hour contains 60 minutes, and each minute contains 60 seconds.
Multiply hours by 3,600 to convert directly into seconds.
Hours to Seconds Example
Suppose a timed event lasts three hours.
How to Convert Seconds to Hours
Divide seconds by 3,600 to calculate the equivalent number of hours.
Seconds to Hours Example
Suppose you want to convert 5,400 seconds into hours.
That is equivalent to one hour and 30 minutes.
Hours to Seconds Conversion Chart
| Hours | Seconds |
|---|---|
| 0.25 | 900 |
| 0.50 | 1,800 |
| 1 | 3,600 |
| 1.5 | 5,400 |
| 2 | 7,200 |
| 3 | 10,800 |
| 4 | 14,400 |
| 5 | 18,000 |
| 8 | 28,800 |
| 12 | 43,200 |
| 24 | 86,400 |
How to Convert Hours and Minutes to Decimal Hours
Decimal hours are often used for timesheets, labor estimates, and other time calculations.
Unlike clock notation, decimal hours represent fractions of an hour using a base-ten number.
Work Hours Example
Example: Suppose someone works 7 hours and 45 minutes.
Step 1: Convert Minutes
Step 2: Add Whole Hours
For actual pay calculations, use the employer's approved timekeeping and rounding rules.
Decimal Hours vs. Hours and Minutes
A common mistake is treating a decimal fraction of an hour as if it represented ordinary clock minutes.
For example, 1.30 hours is not the same as 1 hour and 30 minutes.
By comparison, 1 hour and 30 minutes is 1.50 decimal hours.
Common Time Conversion Reference Table
| Time | Equivalent |
|---|---|
| 1 Minute | 60 Seconds |
| 5 Minutes | 300 Seconds |
| 15 Minutes | 900 Seconds |
| 30 Minutes | 1,800 Seconds |
| 45 Minutes | 2,700 Seconds |
| 1 Hour | 60 Minutes |
| 1 Hour | 3,600 Seconds |
| 2 Hours | 120 Minutes |
| 8 Hours | 480 Minutes |
| 12 Hours | 720 Minutes |
| 24 Hours | 1,440 Minutes |
When Is a Time Converter Useful?
Work Hours and Timesheets
Convert minutes into decimal hours when reviewing timesheets, labor durations, or work schedules.
Fitness and Exercise
Convert workout durations between minutes and seconds for running, cycling, and interval training.
Cooking and Baking
Convert recipe cooking times when an instruction uses a different time unit than your timer.
Education and Math
Practice converting hours, minutes, and seconds for classroom assignments and everyday math problems.
Travel Planning
Compare trip durations, layovers, and journey times expressed in different units.
Video and Media
Convert video lengths, recording durations, and editing timelines.
Construction and Job Estimates
Convert work durations to help organize labor-hour estimates and project planning.
Time Duration vs. Clock Time
The MyCruncher Time Converter converts durations. It does not calculate the time of day.
For example, two hours is equivalent to 120 minutes regardless of when that duration begins.
However, calculating a meeting start time plus two hours requires clock-time arithmetic.
Time zones and daylight saving transitions can also affect real-world scheduled events.
Common Time Conversion Mistakes
- Multiplying instead of dividing. Divide by 60 when converting minutes to hours.
- Confusing decimal hours with clock minutes. 0.50 hours equals 30 minutes, not 50 minutes.
- Using the wrong starting unit. Double-check the From selector.
- Selecting the wrong destination unit. Confirm the To selector before calculating.
- Rounding too early. Keep sufficient precision for longer calculations.
- Mixing durations and timestamps. A duration conversion does not account for time zones.
- Using unverified values for payroll. Always follow actual timekeeping and payroll rules.
Frequently Asked Questions
How many minutes are in an hour?
One hour contains exactly 60 minutes.
How many seconds are in a minute?
One minute contains exactly 60 seconds.
How many seconds are in an hour?
One hour contains 3,600 seconds.
How do I convert hours to minutes?
Multiply the number of hours by 60.
How do I convert minutes to hours?
Divide the number of minutes by 60.
How many minutes are in two hours?
Two hours equals 120 minutes.
How many minutes are in three hours?
Three hours equals 180 minutes.
How many minutes are in half an hour?
Half an hour equals 30 minutes.
How many minutes are in 1.5 hours?
1.5 hours equals 90 minutes.
How many hours are in 90 minutes?
90 minutes equals 1.5 hours.
How many hours are in 120 minutes?
120 minutes equals two hours.
How many seconds are in 15 minutes?
15 minutes equals 900 seconds.
How many seconds are in 30 minutes?
30 minutes equals 1,800 seconds.
How many seconds are in two hours?
Two hours equals 7,200 seconds.
How do I convert seconds into minutes?
Divide the number of seconds by 60.
How many minutes are in 300 seconds?
300 seconds equals five minutes.
How many minutes are in 450 seconds?
450 seconds equals 7.5 minutes, or 7 minutes and 30 seconds.
How do I convert seconds to hours?
Divide seconds by 3,600.
How many hours are in 7,200 seconds?
7,200 seconds equals two hours.
What is 45 minutes in decimal hours?
45 minutes equals 0.75 decimal hours.
What is 30 minutes in decimal hours?
30 minutes equals 0.50 decimal hours.
Is 1.5 hours the same as 1 hour and 50 minutes?
No. 1.5 hours is one hour and 30 minutes.
Can I use a Time Converter for payroll?
It can help convert durations, but actual payroll calculations must follow applicable timekeeping rules.
Does the converter calculate dates?
No. For time between calendar dates, use the Date Difference Calculator.
Can I use the Time Converter on mobile?
Yes. The MyCruncher Time Converter is designed for desktop and mobile browsers.
Is the Time Converter free?
Yes! MyCruncher's Time Converter is free for everyday hours, minutes and seconds conversions.
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Important: This guide provides educational time conversion examples using standard durations. Displayed decimal results may be rounded. The converter is not a time-zone calculator, an alarm, or a payroll compliance system. Verify important schedules, employment records, and time-sensitive requirements separately.