Laser raster engraving time calculator
Estimate ideal raster travel time from engraving size, line spacing and scan speed.
Your measurements
01 / INPUTUse the units shown beside each field. Whole counts must be whole numbers.
Your result
02 / PLANNo saved baseline.
What changes when…
Baseline comparison
Save a baseline, then change your inputs. The difference is current minus baseline. Saved values stay in this browser.
| Result | Baseline | Current | Difference |
|---|
Use the result
Time a small representative engraving, then tune the overhead percentage against the machine’s actual behavior.
Assumptions that matter
- Acceleration, overscan and return travel can make real jobs substantially longer.
- The model assumes full-width raster lines, not optimized travel through sparse artwork.
- Use speed units in millimeters per second; convert millimeters per minute before entering.
- This calculator estimates duration only and does not select laser power or material settings.
Common questions
How is the result calculated?
The formula reference shows every equation and defines the input variables. Whole-item results explicitly round to whole quantities where needed.
How should I use the example?
The initial numbers are a worked example. Replace them with measurements from your own project before making a plan. Three calculated scenarios appear on the examples page.
Can I compare two plans?
Yes. Save a baseline, change one or more inputs, and compare the result table. The chart changes only one input at a time.
Does this upload my measurements?
No. Calculations run in this browser. Saving a baseline uses local browser storage; the scenario-link button includes entered numbers in a URL fragment you choose to share.
Need a paper record? Use the measurement worksheet.