Time Converter
Convert seconds, minutes, hours, days and weeks.
✓ Professional standard Uses precise SI and internationally agreed conversion factors for accurate, standards-based results.
Time Converter is a free online converter from Toolinza. Convert seconds, minutes, hours, days and weeks. It runs entirely in your browser — your data is never uploaded — needs no signup, and works on any device. Toolinza offers 293+ free tools used by people across the UK, USA, Canada, Australia, the EU, India, Pakistan, the Middle East and worldwide.
Loading tool…
About the Time Converter
Converting between seconds, minutes, hours, days and weeks sounds simple until you are juggling large numbers — how many hours in a project of 90,000 seconds, or how many weeks a certain number of days works out to. A converter removes the mental arithmetic.
This Time Converter switches between time units instantly, so planning, scheduling and calculations stay quick and correct.
How to use the Time Converter
- Enter the time value.
- Choose the unit you are converting from.
- Choose the unit you are converting to.
- Read the converted time instantly.
Key features of the Time Converter
- Converts seconds, minutes, hours, days and weeks
- Exact conversions
- Two-way conversion
- Handy for planning and scheduling
- Private — calculated in your browser
How the Time Converter works
Every conversion uses the exact, internationally agreed factors defined by the International System of Units (SI) and recognised standards bodies. Temperature conversions apply the correct formulas rather than simple multipliers, and results retain full precision so they are suitable for scientific, engineering and everyday use alike.
All conversions are calculated instantly in your browser.
Tips & best practices
- For durations spanning calendar dates rather than pure units, use the Date Difference tool instead.
- Remember there are 86,400 seconds in a day, a useful anchor for large conversions.
- Keep units consistent when adding several durations together.
Standards & accuracy
Uses precise SI and internationally agreed conversion factors for accurate, standards-based results.
Results are accurate to standard conversion factors. For everyday use you can round sensibly; for scientific, medical or engineering work, keep the full precision the tool provides.
Who uses the Time Converter?
- Converting durations for projects and tasks
- Working out timeouts and intervals
- Scheduling and planning
- Study and everyday time maths
Privacy & security
The Time Converter runs entirely inside your web browser. Your data — whether that is a file, figures or text — is processed on your own device and is never uploaded to a server, stored or shared. There is no signup and no account, so you can use it as often as you like while keeping full control of your information. This makes it a safe choice even for confidential and sensitive work.
Why choose Toolinza?
- 100% free — no hidden charges, watermarks or usage caps.
- Private & secure — your data stays on your device.
- Standards-compliant — accurate results suitable for the UK, USA, Canada, Australia, EU, India, Pakistan, the Middle East and worldwide.
- Works everywhere — desktop, tablet and mobile.
Frequently asked questions
There are 3,600 seconds in an hour and 86,400 in a day. The converter handles these instantly for any value.
Yes. It converts between seconds, minutes, hours, days and weeks in any direction.
This converts durations. For the time between two calendar dates, use the Date Difference calculator.
Yes. The Time Converter is completely free with no signup, no watermarks and no usage limits. Toolinza is supported by unobtrusive advertising so every tool stays free.
Absolutely. This tool runs entirely in your browser — your data and files are never uploaded to any server, so everything stays private on your own device.
No. The Time Converter works instantly in any modern web browser on desktop, tablet and mobile — Windows, macOS, Linux, Android and iOS.