Calculator
Perspective grid calculator
Set canvas size, horizon height, and VP count — preview draws guides and VP coordinates.
Calculator form
How to
How to use
1
Fill in the fields
Enter values for “Perspective grid calculator” — hints sit under each field.
2
Read the result
Numbers update as soon as you change inputs.
3
Copy or share
Use the result buttons to copy text or the page link.
4
Apply it
Match the output to your deliverable and set up your canvas or quote.
Examples
Sample calculations
800×600, horizon at 300
VP1 left, VP2 right on horizon
Pitfalls
Common mistakes
Mistake
Guessing pixel sizes → Calculate before you create the file.
Mistake
Mixing screen and print DPI → For print, use 150–300 DPI from physical size in cm.
Mistake
Ignoring file weight → Large canvases and many layers need RAM and disk space.
FAQ
FAQ
3-point?
For tilt, add a third VP using a perspective tutorial.
Lock it in with practice
Open the free editor and apply the result — a short sketch beats more reading.