ETA Calculator helps you estimate total duration and finish time from total workload, processing rate, and start time.

Key Features

• Auto calculation after entering workload, rate, time span, and unit
• Real-time output for total duration and estimated completion time with relative time
• One-click example fill, reset, and result copy

Formula

• Total duration (ms) = total units / (processed units / time span in ms)
• Estimated completion time = start time + total duration

How To Use

• Enter total units and start time
• Enter processed units, time span, and choose time unit
• Review duration and completion time, then copy result if needed

Use Cases

• Project scheduling and milestone delivery estimation
• Logistics handling, ticket processing, and batch operation planning
• Study planning and training progress tracking

Notes

• All numeric inputs must be greater than or equal to 1
• Invalid start time will block completion time estimation
• This tool runs locally in your browser without uploading your input