Unix Timestamp Converter
Epoch seconds and milliseconds to human dates, and back.
Date & time
2026-01-01 00:00:00 UTC
Local
1/1/2026, 12:00:00 AM
ISO 8601
2026-01-01T00:00:00.000Z
Seconds
1767225600
Milliseconds
1767225600000
ShowHide the working
- 11767225600 → 2026-01-01T00:00:00.000Z
Formula
seconds since the Unix epoch (1 Jan 1970 UTC)How it works
Converts Unix timestamps (seconds or milliseconds) to human dates and back. Values of 13+ digits are read as milliseconds.
Example
1767225600 is 1 January 2026, 00:00 UTC.
About the Unix Timestamp Converter
Epoch seconds and milliseconds to human dates, and back. It sits in the Developer section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.
Frequently asked questions
- Is the Unix Timestamp Converter free to use?
- Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
- Does my data leave my device?
- No. The Unix Timestamp Converter runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
- Can I use the Unix Timestamp Converter on my phone?
- Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
- What else is in Developer?
- Bases, bitwise math, timestamps, data sizes and aspect ratios. You can browse the full Developer category for related calculators.