Unit Converters

Time Converter

Quick duration conversions for project planning, uptime and timers.

By TheCalcTools Updated Formula checked and tested

Your numbers

Your results

Milliseconds
Milliseconds
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Seconds
—
Minutes
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Hours
—
Days
—
Weeks
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Years (365.25 days)
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Time Converter by TheCalcTools

How the Time Converter works

Enter a duration and choose its unit.

Years use the Julian average of 365.25 days.

For calendar dates, use the date calculator instead.

The formula

result = value × (factor of the ‘from’ unit ÷ factor of the ‘to’ unit)1 min = 60 s, 1 h = 3,600 s, 1 day = 86,400 s, 1 year = 31,557,600 s

Worked example

Using the default values shown in the calculator:

Value90
FromMinutes
  1. 90 Minutes equals 5400000.00 Milliseconds ; 5400.00 Seconds ; 1.5000 Hours.

Result:

Milliseconds5400000.00
Seconds5400.00
Minutes90.0000
Hours1.5000
Days0.062500
Weeks0.008929
Years (365.25 days)1.711 × 10^-4

Frequently asked questions

How many seconds are in a day?

86,400.

Why is a year 365.25 days here?

It averages leap years. Calendar years are 365 or 366 days.

Sources and further reading

Speed ConverterCompare speeds across road, sport, marine and scientific units Date CalculatorAdd time to a date, take time away from it, or find how many days lie between two dates Age CalculatorFind your exact age in years, months and days, how many days you have lived, and how… Length ConverterEnter a length, choose its unit and read every other unit at once Weight and Mass ConverterSwitch between metric and imperial mass units in one step Temperature ConverterEnter a temperature in any scale and see the other three

More in Unit Converters · All calculators

This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.