TRADECRAFT CALC
ft-in
0"
Measurements

Compound miter and bevel angles for crown, base, and trim.

Simple Miter

deg
Miter 45.00°

Polygon Miter

Miter 22.50°

Compound Miter (Crown)

deg
deg
Miter 31.62°
Bevel 33.86°

Square footage, waste factors, and board feet.

Area Calculator

in
in
Area

Waste Factor

%
With waste

Board Feet for pricing rough lumber

in
in
ft
Board ft

Rise, run, and stringer layout for code-compliant stairs.

Stair Calculator

in
in
in

Pitch, rafter length, and ridge beam from roof slope.

Roof / Rafter

/ 12
ft
in

Arch radius, ellipse layout, tapered panels, and jig settings.

Arch / Segmental Arc

Arch diagram Segmental arch showing span (jamb-to-jamb) and rise (spring line to peak). span rise R
in
in

Ellipse Layout

Ellipse diagram Ellipse with major axis (long dimension) horizontal and minor axis (short dimension) vertical. major axis minor axis F F
in
in

Tapered Panels pyramid / pedestal

Frustum (truncated pyramid) diagram Truncated pyramid showing top width and length (smaller rectangle), bottom width and length (larger rectangle), and height. bot width top width H
in
in
in
in
in

Taper Jig table saw setup

Taper jig diagram Board showing fat width at the near end (infeed) and thin width at the far end (outfeed). The jig offset is measured at the far end. fat W thin W board length offset →
in
in
in