Calculator · Geometry & layout
Crown Molding Angle Calculator
The free Crown Molding Angle Calculator answers one question: Miter and bevel for cutting crown flat. Enter your numbers in inches or millimeters and the result updates instantly in your browser, with no sign-up and no app to install. Use it on your phone at the bench, then copy or print the result for your cut list.
For cutting crown lying flat on a compound miter saw. Enter the spring angle and the wall corner angle.
Which other geometry & layout calculators help with this project?
- Stair Stringer Calculator — Riser height, tread count and stringer length.
- Roof Pitch & Angle Calculator — Pitch, angle and slope from rise and run.
- Segmented Bowl Ring Calculator — Segment angle and length for segmented turning.
- Rafter Length Calculator — Rafter length for a shed or gable roof.
What you'll need for this project
Tools
Screws & hardware
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Build it · Intermediate · 1 weekend
Download the complete plan with cut list and materials list (PDF)
Fireplace Mantel & Crown Chart — A box-beam mantel shelf plus printable crown miter/bevel chart. Drawings, cut list with board-foot totals, hardware list and step-by-step instructions.