ETA Calculator
Estimate when something will finish from seconds, duration lines, or progress plus rate.
Seconds, duration lines, or progress
Quick presets
ETA output
Result
eta
- now
- seconds
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.