Universal Doorset Calculator (mm)

Installer’s Universal Doorset Calculator (mm)

Enter whichever sizes you have (opening / door / frame). We’ll extrapolate the rest with proven defaults — all editable.

What sizes do you have?

FD Rating Auto door thickness: 44 mm (None/FD30), 54 mm (FD60)

Advanced (gaps, frame thickness, deductions)

Top gap

Side gap per leaf

Frame thickness / jambQuick: 32 | 44

Door thickness

SO→Frame deduction (head)

SO→Frame deduction (side)

Base sill allowance

Hinge threshold (≥ height → 4 hinges)

Branding / job info (optional)

Business / Contact

Project

Site / Location

Door mark

Prepared by

Notes (optional)

Logo upload (PNG/JPG/SVG) Shown top-left in the PDF if provided.

Please fix the highlighted fields.