Room area, stairs, roof pitch, and squareness checks.
Miter and bevel saw settings for crown molding laid flat or nested, and for baseboard, at any wall corner and spring angle, with which side to keep.
Open →Calculate posts, pickets, rails, and post length for a wood or composite fence, with gate deduction and spacing between posts.
Open →Common rafter length from building span and roof pitch, with the ridge board deduction, overhang tail, roof angle and the plumb and seat cut angles.
Open →Work out ramp run and total length from the rise at a 1:12, 1:15 or 1:20 slope, including the landings ADA requires and whether handrails are needed.
Open →Calculate roof pitch from rise and run, degrees, or ratio. Get pitch in degrees, percent slope, ratio, and rafter length.
Open →Calculate the floor area of rectangular or L-shaped rooms in square metres, with optional deductions for windows and door openings.
Open →Check if a corner is square using the 3-4-5 method. Enter two sides and the measured diagonal to see the exact expected value and deviation.
Open →Calculate the number of steps, exact riser height, tread depth, and incline angle for a staircase between two floors. Includes code-compliance check.
Open →Find the height to mount a TV so the centre of the screen sits at eye level, with the bottom and top edges, screen size and the viewing distance to aim for.
Open →Calculate total wall area, then subtract windows and doors to get the net paintable or wallpaperable area of the room.
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