Time to Decimal Calculator

Convert hours, minutes and seconds into decimal hours.

Hours

Minutes

Seconds

Decimal hours 2.5

Total minutes 150

Formula: decimal hours = hours + minutes/60 + seconds/3600

Step-by-step with your numbers:

1. Values used:

2. Hours = 2

3. Minutes = 30

4. Seconds = 0

6. Decimal hours = 2.5

7. Total minutes = 150

Did we solve your problem today?

Convert a time like 2:30 into decimal hours (2.5) — handy for timesheets and payroll.

The math behind it

Decimal hours = hours + minutes ÷ 60 + seconds ÷ 3600.

2 h 30 min → 2 + 30/60 = 2.5 hours.

Why convert to decimal?

Payroll and billing systems multiply hourly rates by decimal hours, not hours and minutes.