Hours Calculator
Add up multiple hours and minutes (e.g., for a timesheet).
Timesheet
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Total Time
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Timesheets made Easy
Summing up timesheets manually is surprisingly error-prone. Our brains are wired for base-10 math (where 100 cents = 1 dollar), but time uses base-60 (60 minutes = 1 hour). This often leads to "off-by-one-hour" errors.
Decimal vs. Standard Time
Payroll systems often require hours to be logged as decimals. This can be confusing:
- Standard: 1 hour 30 minutes (1:30).
- Decimal: 1.5 hours.
Why? Because 30 is half (0.5) of 60.
Common Conversions:
15 mins = .25
30 mins = .50
45 mins = .75
10 mins = ~0.17
To convert any minute value to decimal manually, simply divide the minutes by 60.