OhMyCalc

Baseboard Calculator

Calculate baseboard length needed for a room minus doorways.

How to Use the Baseboard Calculator

  1. Enter the room perimeter.
  2. Enter the number of doors.
  3. Enter the door width.
  4. Click Calculate for the total needed.

Quick Reference

FromTo
Standard door0.8–0.9 m wide
10 m perimeter, 1 door~9.1 m baseboard
16 m perimeter, 2 doors~14.2 m baseboard
20 m perimeter, 3 doors~17.3 m baseboard
MDF baseboardBudget option
Solid woodPremium option

Use Cases

Formula

Baseboard = Room perimeter − (Number of doors × Door width).

Frequently Asked Questions

Should I measure each wall?
Measuring the total perimeter is usually easiest; just subtract all doorways.
What about inside corners?
Corners don't add extra length; they're part of the perimeter.
Is it free?
Yes, all calculators are completely free.