Time Converter

Convert time between different formats and units. Convert hh:mm:ss to decimal hours, calculate time units, and more.

From:

To:

Enter value:

Time Format: Enter as hh:mm:ss (e.g., 1:30:45)

Result:

Enter a value to see the conversion

Decimal Hours: Result as decimal number (e.g., 1.5125)

Examples & Use Cases

Time Format Examples

Time to Decimal Hours:

1:30:00 → 1.5 hours
2:15:30 → 2.258333 hours
0:45:00 → 0.75 hours

Decimal to Time:

1.5 → 1:30:00
2.75 → 2:45:00
0.25 → 0:15:00

Unit Conversion Examples

Common Conversions:

72 hours → 3 days
1 day → 24 hours → 86,400 seconds
1 week → 7 days → 168 hours
90 minutes → 1.5 hours → 5,400 seconds

Supported Input Formats

Time Format (hh:mm:ss):

Full format: 1:30:45, 12:00:00
Without seconds: 1:30, 12:00
Single digits: 1:5:30, 0:45
Hours only: 2 (interpreted as 2:00:00)

Decimal Numbers:

Whole numbers: 2, 24, 72
Decimals: 1.5, 2.75, 0.25
Large numbers: 86400 (seconds), 1440 (minutes)

Common Use Cases

Payroll: Convert time sheets (8:30) to decimal hours (8.5)
Project Management: Calculate total hours from time logs
Programming: Convert between milliseconds and human-readable time
Exercise/Sports: Convert workout times to different units
Cooking: Convert recipe times between minutes and hours