Minutes to decimal hours
30 Minutes in Decimal
0.50 hours
30 ÷ 60 = 0.5000 → 0.50 hours
- Four places0.5000
- Percent of an hour50%
- Seconds1800
- Share of an 8-hour day6.3%
Where 30 minutes sits in the hour
- exact position
- nearest tenth
- nearest quarter
What each rounding rule records
Hundredths0.50no change
Tenth of an hour0.5no change
Quarter hour0.50no change
Hours and 30 minutes
8 hours 30 minutes = 8.50
1 h 30 min1.502 h 30 min2.503 h 30 min3.504 h 30 min4.505 h 30 min5.506 h 30 min6.507 h 30 min7.508 h 30 min8.509 h 30 min9.5010 h 30 min10.5011 h 30 min11.5012 h 30 min12.50
Worth at your hourly rate
30 minutes × $20.00/h = $10.00
Payroll multiplies the decimal hours, not the minutes, by the rate.