Hours to Decimal Calculator
Convert hours and minutes to decimal format for timesheets and payroll. Instantly see your time in decimal hours used by most time tracking systems.
5-minute intervals (most common for timesheets)
Quick presets:
Conversion Results
Total Time
Decimal Hours
Total Minutes
Quick Reference
Quarter Hours
6-Min Billing
Decimal → Minutes
Formula: Decimal Hours = Total Minutes ÷ 60
Related Calculators
How to Convert Hours and Minutes to Decimal
Converting time to decimal format is essential for accurate timesheets, payroll calculations, and billing. Our calculator instantly converts hours and minutes to decimal hours used in most time tracking systems.
Need the reverse conversion?
Try our Decimal to Hours Calculator to convert decimal time back to hours and minutes.
The Formula
Example
- Time: 7 hours 30 minutes
- Minutes to decimal: 30 ÷ 60 = 0.50
- Result: 7 + 0.50 = 7.50 hours
Quick Reference
- 15 min = 0.25 (quarter hour)
- 30 min = 0.50 (half hour)
- 45 min = 0.75 (three quarters)
- 6 min = 0.10 (tenth of hour)
Common Conversions Table
Reference table for common time to decimal conversions
| Time (H:MM) | Decimal Hours |
|---|---|
| 7:00 | 7.00 |
| 7:15 | 7.25 |
| 7:30 | 7.50 |
| 7:45 | 7.75 |
| 8:00 | 8.00 |
| 8:15 | 8.25 |
| 8:30 | 8.50 |
| 8:45 | 8.75 |
| 9:00 | 9.00 |
Quarter Hour Increments
6-Minute Billing (Legal)
When to Use Decimal Hours
Timesheets & Payroll
Most payroll systems require decimal hours for wage calculations
Billing & Invoicing
Consultants and freelancers bill by decimal hour increments
Project Tracking
Time tracking software often displays hours in decimal format
Legal Billing
Law firms bill in 6-minute (0.1 hour) increments
Frequently Asked Questions
How do you convert minutes to decimal hours?
Divide the minutes by 60. For example, 30 minutes ÷ 60 = 0.50 decimal hours. For 45 minutes: 45 ÷ 60 = 0.75 decimal hours.
What is 15 minutes in decimal?
15 minutes equals 0.25 decimal hours (15 ÷ 60 = 0.25). This is one quarter of an hour.
What is 45 minutes as a decimal?
45 minutes equals 0.75 decimal hours (45 ÷ 60 = 0.75). This is three quarters of an hour.
Why do timesheets use decimal hours?
Decimal hours make payroll calculations easier. Instead of converting minutes to fractions, you can multiply decimal hours directly by your hourly rate to get pay. For example, 7.75 hours × $20/hour = $155.
How do I convert 8 hours 30 minutes to decimal?
Add the hours (8) to the decimal equivalent of minutes (30 ÷ 60 = 0.50). So 8 hours 30 minutes = 8.50 decimal hours.
Pro Tips for Time Conversion
Remember Key Values
Memorize: 15min=.25, 30min=.50, 45min=.75 for quick mental math
Round Appropriately
Most timesheets round to nearest quarter hour (0.25 increments)
Verify Calculations
Always double-check timesheet entries before submitting
Know Your System
Check if your employer uses 2 or 3 decimal places
Ready to Convert Your Time?
Use our hours to decimal calculator above for instant, accurate conversions. Perfect for timesheets, billing, and payroll calculations.