Time to Decimal (Decimal Time) Converter
Convert time (hh:mm:ss) to decimal hours (and back) with rounding options for timesheets. A time-to-decimal converter turns hh:mm(:ss) into decimal hours (and vice versa). This is commonly used for timesheets, invoicing, and payroll systems that expect decimal hours.
Input
Decimal hours
1.50
Formula: hours + minutes/60 + seconds/3600
How to use it
- Enter a time value (hours and minutes).
- Choose the precision/rounding you need.
- Copy the decimal hours result.
- Use reverse conversion when you need hh:mm output.
Key formulas
- Time to decimal
- Decimal hours = hours + minutes/60 + seconds/3600
FAQ
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Disclaimer
Follow your employer’s rounding and timekeeping policy for official reporting. This tool converts time formats but doesn’t define payroll rules.