Time Converter — Convert Between All Time Units
Use this free time converter to convert between milliseconds, seconds, minutes, hours, days, weeks, months and years. Type a value into any field for instant results across all time units simultaneously.
Time Converter
Type in any field to convert all units instantly
⏱ Quick Reference
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Common Time Conversions
1 minute = 60 seconds. 1 hour = 60 minutes = 3,600 seconds. 1 day = 24 hours = 1,440 minutes = 86,400 seconds. 1 week = 7 days = 168 hours. 1 year = 365 days = 8,760 hours = 525,600 minutes.
When Is Time Conversion Useful?
Time conversion is useful for scheduling and project planning, programming and data science (converting Unix timestamps), science experiments, calculating durations for billing or payroll, and understanding time differences between units for everyday calculations.
FAQs
How many seconds are in an hour?
There are 3,600 seconds in one hour (60 minutes × 60 seconds).
How many hours are in a year?
A standard year has 8,760 hours (365 days × 24 hours). A leap year has 8,784 hours.
How many minutes are in a day?
There are 1,440 minutes in a day (24 hours × 60 minutes).
Is this calculator free?
Yes completely free with no sign-up needed.