Time Duration Calculator
Calculate hours and minutes between two times. Perfect for timesheets, billing, and shift planning.
Time elapsed
8:00
Duration
8
Hours
0
Minutes
480
Total minutes
8.0
Decimal hours
Common work durations
| Typical use | Duration | Decimal hours |
|---|---|---|
| Short break | 0:30 | 0.5 |
| Short meeting | 1:00 | 1.0 |
| Half morning | 2:00 | 2.0 |
| Half day | 4:00 | 4.0 |
| Part-time shift | 6:00 | 6.0 |
| Standard day (EU / Asia) | 7:30 | 7.5 |
| Standard day (US / UK) | 8:00 | 8.0 |
| Extended workday | 9:00 | 9.0 |
| Long shift | 10:00 | 10.0 |
| Double shift | 12:00 | 12.0 |
Frequently Asked Questions
Enter your start and end times in the fields above. The calculator instantly shows the total hours, minutes, and decimal hours (e.g. 8:30 = 8.5 hours) for timesheets and billing. If your shift spans midnight, the overnight option is detected automatically.
Divide the minutes by 60 and add to the hours. Example: 8 hours 45 minutes = 8 + (45/60) = 8.75 decimal hours. This calculator does it automatically — the Decimal hours card is always visible in the result.
In the US and UK a standard day is 8 hours (9 am – 5 pm). Germany and most EU countries often have 7.5–8 contracted hours per day. In India, IT company shifts are typically 9 hours (9:00–18:00). Part-time and shift schedules vary by employer and collective agreement.
7 hours 30 minutes equals 7.5 decimal hours. The formula: hours + (minutes ÷ 60) = 7 + 30/60 = 7.5. Enter 09:00 and 16:30 in the calculator to see this automatically.