Unit Converter

Learn how to miter unequal-width boards with a clear joint diagram, a worked example, and separate saw settings for each piece.

Use a free feet and inches calculator app to add fractional measurements, multiply a length by a quantity, convert metric values, and reuse results.

Use a free stair calculator app to calculate rise, run, step count, tread depth, stringer length, and stair angle from familiar measurements.

Use a free roof pitch calculator app to find x:12 pitch, angle, rise, run, rafter line length, and percent slope from familiar measurements.

Use a free construction calculator app for feet, inches and fractions, with practical tools for roofs, stairs, railings, lumber, framing and layout.

Use a board foot calculator app to find board feet per piece, total lumber volume, and estimated cost from a price per MBM.

Use a baluster spacing calculator app to find baluster count, clear gap, on-center spacing, and layout marks for deck and stair railings.

Use a plywood weight calculator to estimate one sheet or a complete load in pounds, kilograms, US tons, or tonnes.

Use a free rafter length calculator app to find the rafter line from horizontal run and roof pitch, with feet, inches, fractions, and metric units.