Unit converters

Time unit converter

Convert time between seconds, minutes, hours, days, weeks, months and years. Useful for project planning and data analysis.

  • Free, no sign-up
  • No data stored
  • Reviewed 2026-01-15

Your details

Results

Converted value 1.500000h 90 min = 1.500000 h
Conversion factor
1 min = 0.0166666667 h
Inverse factor
1 h = 60 min
Scientific
1.500000e+0

All units

Unit Value Per one
Nanosecond (ns) 5,400,000,000,000.000000 60,000,000,000
Microsecond (µs) 5,400,000,000.000001 60,000,000
Millisecond (ms) 5,400,000.000000 60,000
Second (s) 5,400.000000 60
Minute (min) 90.000000 1
Hour (h) 1.500000 0.01666667
Day (d) 0.062500 0.00069444
Week (wk) 0.008929 0.00009921
Month (average) 0.002053 0.00002282
Year (average) 0.000171 0.0000019
Decade 0.000017 0.00000019

Quick reference

min h
1 min 0.0167 h
2 min 0.0333 h
5 min 0.0833 h
10 min 0.1667 h
20 min 0.3333 h
25 min 0.4167 h
50 min 0.8333 h
100 min 1.6667 h
500 min 8.3333 h
1,000 min 16.6667 h

About the Time Unit Converter

Convert between milliseconds, seconds, minutes, hours, days, weeks, months (30.44 days) and years (365.25 days). The tool uses average month/year lengths for consistency.

How to use the Time Unit Converter

  1. Enter the value.
  2. Select the source unit.
  3. Select the target unit.
  4. View the result.

Frequently asked questions

How many seconds in a day?

86,400 seconds (24 × 60 × 60).

Why is a year 365.25 days?

To account for leap years: 3 regular years (365) + 1 leap year (366) = average 365.25 days.

How long is a "month" in this converter?

30.4375 days (365.25 / 12). Actual months vary from 28 to 31 days.