ETA Calculator
Estimate when something will finish from seconds, duration lines, or progress plus rate.
Seconds, duration lines, or progress
ETA output
When to use ETA Calculator
Common ways to estimate finish times with ETA Calculator:
- Estimate from raw seconds
Paste a single number of remaining seconds and see the matching ETA immediately.
- Combine hours, minutes, and seconds
Enter lines such as `hours: 1` and `minutes: 30` to build a combined duration before checking the ETA.
- Project remaining time from progress
Use `done/total` together with `perSecond` to estimate how many seconds remain and when the work should finish.
- Copy a timestamp snapshot
Generate the `now`, `seconds`, and `eta` output and copy it into notes, tickets, or chat without retyping.
- Check a quick ETA on mobile
Paste a short input on a phone or tablet, review the calculated ETA, and clear the tool for the next estimate.
Frequently Asked Questions
- What input formats does this calculator support?
- You can enter a single number of seconds, duration lines such as `hours: 1`, `minutes: 30`, and `seconds: 15`, or a progress line like `10/50` with a `perSecond` or `per_second` rate.
- How is the ETA calculated?
- The app converts your input into remaining seconds, rounds to the nearest second, and adds that duration to your current local device time to produce the ETA.
- Is my input sent to a server or stored?
- No. The calculator runs locally in your browser. AppDoesIt may still load shared page assets and browser-stored preferences, and clipboard access happens only when you click Paste or Copy.
- Why am I getting an error?
- Errors appear when the input is not one of the supported formats, when progress mode is missing a valid per-second rate, or when the values are invalid or negative.
- Can I combine hours, minutes, and seconds?
- Yes. If you provide `hours`, `minutes`, and `seconds` lines together, the calculator adds them into one total duration before computing the ETA.
How to Use ETA Calculator
How to use
- Enter raw seconds, duration lines such as `hours: 1` and `minutes: 30`, or a progress line like `10/50` plus `perSecond: 2`.
- Review the generated `now`, `seconds`, and `eta` lines in the output panel.
- Copy the output if needed, or use Clear to reset the calculator for the next estimate.
Important details
- Supported inputs are raw seconds, combined `hours` / `minutes` / `seconds` lines, or `done/total` with `perSecond` (or `per_second`) rate.
- The calculator always starts from your current local device time. It does not accept custom start or end timestamps.
- Processing stays in your browser, but AppDoesIt still loads shared page assets and browser-stored preferences, and Paste/Copy use your clipboard only when you click those buttons.