Calculator

How many 4′ x 8′ sheets of plywood do I need? This calculator does not simply divide the total square footage by 32.  It figures how many pieces long, then how many wide. Use the drop downs below to select a length in feet. Then do the same thing for the width. For more complicated […]
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Calculate the pitch of a rafter according to its rise and run. Use the drop downs to select a run, then select a rise and the pitch will be returned.
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How to Calculate Cement for Post Holes Use this post hole volume calculator to accurately figure the amount of concrete required for any sized post hole with or without any common sized post. Returns both cubic yards and how many bags. This free tool is designed as an aid for building fences, barns, post frame […]
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Use this feet and inch diagonal calculator to easily find the diagonal between two sides of any rectangle. This makes squaring up any lay out a snap. How to Square up a Lay Out Establish two parallel lines for the the width Establish a starting point for the length on one of the lines Mark […]
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High Wall Low Wall Rafter Calculator Use this feet and inch rafter calculator in situations where one wall is taller than the other. Enter the width of the roof, the difference in wall heights, the roof pitch, and the thickness of the ridge and get the rise to the top of the ridge from the […]
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Use these gable stud calculators to solve for the values of all the studs on 16″ center in a gable wall from the long stud down or from the stud up on all standard roof pitches. Scroll down past the Long Gable Stud Calculator to use the Short Gable Stud Calculator which works in reverse. […]
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Calculate the space between any given number of openings or fixed width openings. Based on the formula: Length – (opening x quantity) / number of spaces. Use the drop downs below to enter the total length of the wall or whatever other object. Then use the next set of drop downs to select a width […]
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Calculate the Weight of Wood Calculate the weight of kiln dried pine, green oak, and pressure treated wood with this free and easy online tool. Use the drop downs to select a size for the lumber. The list contains the most popular sizes for wood. If it is not on the list, then it may […]
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How to Use the Hip Roof Framing Calculator The hip roof framing calculator returns the value of the main rafter, the side rafter, the length of the hip, the height of the knee wall, and the lengths of the jack rafters. Select the following information by using the drop downs to enter values in feet […]
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This jack rafter calculator works in any situation every time. Simply use the drop down to enter the pitch of the main roof, the pitch of the complimentary roof, and the length of the long rafter to get reliable results. For any questions, see the directions at the bottom. What are Jack Rafters? Jack rafters […]
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