Time Unit Converter — Free Online
Convert time units online for free. Convert between seconds, minutes, hours, days, weeks, months, and years. Instant time measurement conversion.
About Time Converter
Our time converter converts between all standard units of time measurement: seconds, minutes, hours, days, weeks, months, and years. Enter any time value and see all equivalents calculated simultaneously. Useful for project management estimates, programming (converting milliseconds to seconds), scientific calculations, age computations, deadline planning, and understanding how long time durations compare. Also converts between milliseconds and microseconds for software performance work.
Frequently Asked Questions
How many seconds in a day?
86,400 seconds in a day (60 seconds x 60 minutes x 24 hours).
How many seconds in a year?
Approximately 31,536,000 seconds in a standard year.
How many hours in a month?
Approximately 730 hours in an average month.
What is a millisecond?
1 millisecond = 1/1000th of a second (0.001 seconds). Used in computing and networking.
How many weeks in a year?
52.18 weeks in a year. Calendar years have 52 complete weeks plus 1 or 2 extra days.