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

Rafters, stairs, wall framing, beam sizing, and sheet layout.

Rafter Calculator

run rise rafter
/12
ft
in
in
in
in

Stair Calculator

rise tread
in
in
in
in
in

Wall Framing Estimator

ft
ft
in
in
in

Ridge / Hip Beam Sizer

ft
ft
psf

Sheet Layout

ft
ft

Concrete volume, block/brick count, rebar layout, grade & slope, stairs.

Concrete Volume

length depth
in
in
in
%

Block & Brick

in
in
sq ft

Rebar Grid

in
in
in OC
ft

Grade & Slope

in
in

Concrete Stairs

in
in
in
in

Conduit fill, box fill, voltage drop, wire sizing, dwelling load calc.

Conduit Fill

Box Fill

Voltage Drop

A
ft

Wire Sizing

A

Dwelling Load (NEC 220)

sq ft
W
W
W
W

Roof area, pitch conversion, shingle materials, rafter length, ventilation.

Roof Area

ft
ft
/12

Pitch Converter

/12

Materials

%

Rafter Length

ft
/12
in
in

Ventilation

sq ft

Pipe offset, drainage slope, fixture units, gas pipe, pipe volume.

Pipe Offset

in
°

Drainage Slope

ft
in/ft

Fixture Units (DFU)

Gas Pipe Sizer

BTU/h
ft

Pipe Volume

ft

Duct sizing, BTU/tonnage, room CFM, refrigerant charge.

Duct Sizer

in/100ft

BTU / Tonnage

Room CFM

ft
ft
ft

Refrigerant Charge

ft
ft

Tile layout, material quantity, thinset, grout, shower slope.

Tile Layout

in
in
in

Tile Quantity

sq ft
in
in
in
%

Thinset Coverage

sq ft
lbs

Grout Coverage

in
in
in
in
sq ft
lbs

Shower Slope

in
in
in
in

Paint coverage, ceiling paint, drywall sheets, trim estimator.

Wall Paint

ft
ft
sf/gal

Ceiling Paint

ft
ft

Drywall

ft
ft
ft
ft

Trim Estimator

ft

Crown molding angles, polygon miter, baseboard, balusters, panel layout.

Crown Molding Angles

°
°

Polygon Miter

in

Baseboard (Non-90°)

°

Baluster Spacing

in
in
in

Panel / Wainscot Layout

in
in
in
in