Is the Time Converter free?

Yes — the Time Converter is completely free, with no account, subscription, signup, or usage limits.

Is my data uploaded or stored?

No. The Time Converter processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.

Does the Time Converter work offline?

Yes. Once the page has finished loading, the Time Converter works without an internet connection.

Which browsers does the Time Converter work in?

The Time Converter works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.

How many seconds are in a year?

One year = 31,536,000 seconds (365 days × 24 h × 3600 s). Enter 1 in the year field and the All Conversions table will confirm this instantly.

Time Converter

Convert between seconds, minutes, hours, days, weeks, and months.

From

Nanosecond (ns)

0.001

Microsecond (μs)

1 ns = 0.001 μs

All Conversions for 1 ns

Microsecond	μs	0.001
Millisecond	ms	0.000001
Second	s	1e-9
Minute	min	1.666667e-11
Hour	h	2.777778e-13
Day	d	1.157407e-14
Week	wk	1.653439e-15
Month (avg)	mo	3.802571e-16
Year	yr	3.168809e-17
Decade	dec	3.168809e-18

Free browser-based tool · Runs 100% on your device · Last updated July 7, 2026

What is the Time Converter?

The free Time Converter handles 11 units: nanoseconds (ns), microseconds (μs), milliseconds (ms), seconds (s), minutes (min), hours (h), days (d), weeks (wk), months (mo), years (yr), and decades. Choose a time unit in the From dropdown, enter any value, and instantly see the converted result. The All Conversions table shows all 11 units at once — useful for everything from programming benchmarks to project planning.

→ Converting seconds to minutes and hours for time-tracking spreadsheets
→ Converting milliseconds to seconds for software performance benchmarks
→ Converting days to weeks or months for project timelines
→ Converting years to seconds for physics or astronomy calculations

How to Use the Time Converter

1 Select the source time unit (e.g. h) from the From dropdown.
2 Enter the duration in the value input.
3 Choose the target unit (e.g. min) from the To dropdown.
4 Read the converted value instantly.
5 Click ⇄ Swap to flip direction.
6 Compare all units in the All Conversions table.

Key Features

⏱️
11 time units

From nanoseconds to decades — ideal for programming, science, and project planning.
🖥️
Millisecond precision

Includes ns, μs, and ms for software benchmarking and performance analysis.
⚡
Live conversion

All values update in real time as you type.
📊
All Conversions table

View all 11 time units simultaneously.
🆓
Free, 100% client-side

No data sent to any server — works completely in your browser.

Example Usage

Example Input

From: h · Value: 24 · To: s

Example Output

24 h = 86,400 s

Frequently Asked Questions about the Time Converter

What is the Time Converter?: The Time Converter is a free online tool that lets you convert between seconds, minutes, hours, days, weeks, and months. It runs entirely in your browser, so there is nothing to install and nothing is uploaded to a server.
Is the Time Converter free?: Yes — the Time Converter is completely free, with no account, subscription, signup, or usage limits.
Is my data uploaded or stored?: No. The Time Converter processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.
Does the Time Converter work offline?: Yes. Once the page has finished loading, the Time Converter works without an internet connection.
Which browsers does the Time Converter work in?: The Time Converter works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.
How many seconds are in a year?: One year = 31,536,000 seconds (365 days × 24 h × 3600 s). Enter 1 in the year field and the All Conversions table will confirm this instantly.