Hours Calculator
Enter any number of hours—decimals welcome—and instantly convert them into other useful units of time.
Supports decimals (e.g., 1.25 hours).
Minutes: 480
Seconds: 28,800
Milliseconds: 28,800,000
Days: 0.3333
Weeks: 0.0476
8-hour workdays: 1
How to Use This Calculator
Enter an hour value
Type any number—whole or decimal—to represent the time you want to convert. Examples: 1.5 (hour and a half), 24 (one day).
Read the conversions
Instantly see the equivalent minutes, seconds, milliseconds, days, weeks, and standard 8-hour workdays.
Apply to real scenarios
Use the breakdown to plan shifts, calculate billing, or understand how long long-term tasks really take.
Formula
Minutes = Hours × 60
Seconds = Hours × 3,600
Days = Hours ÷ 24
Weeks = Hours ÷ 168
Workdays (8 h) = Hours ÷ 8
Example: 12.5 hours → 750 minutes → 45,000 seconds → 1.5625 workdays.
Practical Uses
- Estimate labor costs by converting hours into workdays.
- Translate study sessions into total minutes for productivity logs.
- Break down long flights or events into manageable segments.
- Understand how many hours fit into a week or month for capacity planning.
Frequently Asked Questions
Can I convert negative hours?
Yes—negative values represent time owed or time saved. The conversions will mirror the sign.
What about fractions like 2¼ hours?
Type 2.25. The calculator accepts decimal input for precise measurements.
How do I convert back to hours?
Divide any result by the unit’s multiplier (e.g., minutes ÷ 60). Pair this with the Time to Decimal Calculator for more complex conversions.
Is this suitable for payroll?
Absolutely. Enter total hours worked for the week to see how many standard days or overtime equivalents that represents.