Lumber weight depends on the length and cross-sectional dimensions of the board, the moisture content of the wood, and which tree species the lumber was made from. You can think of constants or exact values as having infinitely many significant figures, or at least as many significant figures as the least precise number in your calculation. Use the appropriate number of significant figures when you input exact values in this calculator. In this example you would want to enter 2.00 for the constant value so that it has the same number of significant figures as the radius entry. The resulting answer would be 4.70 which has 3 significant figures. Additional Resources The midpoint of a line segment is a point that lies halfway between 2 points. The midpoint is the same distance from each endpoint. For help figuring out the weight of green or oven-dry lumber for different wood species, to read more about how these weights are calculated, or to see an extensive list of the weights of other types of wood, see “ Weights of Various Woods Grown in the United States” from the Forest Products Laboratory, United States Forest Service. How to Calculate Lumber Weight

Since almost all lumber tends to eventually arrive at the air-dried moisture content, variations in moisture content can be considered a temporary factor. Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. The resulting decimal number is

Find standard form of a positive or negative number with the standard form calculator. Convert from number format to standard form as a decimal multiplied by a power of 10. What is Standard Form Proper fraction button and Improper fraction button work as pair. When you choose the one the other is switched off. Since the longest distance between any two points of an equilateral triangle is the length of the edge of the triangle, the farmer reserves the edges of the pool for swimming "laps" in his triangular pool with a maximum length approximately half that of an Olympic pool, but with double the area – all under the watchful eyes of the presiding queen of the pool, his daughter, and the disapproving glare of his wife. Trapezoid This free scientific notation calculator and converter can perform a range of operations in scientific notation, including adding, subtracting, multiplying, and dividing numbers. It can also convert real decimal numbers to scientific notation, and vice versa. If you measured in feet & inches, divide inches by 12 and add that to your feet measure to get total feet

Use this calculator to calculate the midpoint, the distance between 2 points, or find an endpoint given the midpoint and the other endpoint. Midpoint and Endpoint Calculator Solutions The typical weight of green lumber is roughly 10% to 30% more than the dried weight of lumber made from the same wood species. Assume you have a rectangular area such as a room and, for example, you want to calculate the square footage area for flooring or carpet. E notation is also known as exponential notation. E notation is the same as scientific notation where a decimal number between 1 and 10 is multiplied by 10 raised to some power. In E notation the "times 10 raised to a power" is replaced with the letter e in either uppercase or lowercase. The number after the "e" indicates how many powers of 10. In this example calculation we're adding 1.225e5 and 3.655e3: A number is written in standard form when it is represented as a decimal number times a power of 10.Converting numbers into numeric form can be very beneficial in a range of disciplines including engineering, mathematics, and computing. In a calculator or computer, E or e, which stand for exponential, are employed to denote the power of 10. E Notation The following table provides the approximate weight ( dead load, self-weight) per linear foot of the various sizes of dimensional lumber (also called “structural lumber” or “finished lumber”) used in building construction in the US. Use this calculator to find the square footage, square inches, square yardage, square meters or acres for a building, home, garden or construction project. Calculate square footage, inches, yardage, meters and acres for landscape, flooring, carpet, or tiling projects to estimate area and the amount of material you will need. Also calculate the cost of materials when you enter the price per square foot, price per square inch, price per square yard or price per square meter.

Dimensional lumber is used for wall framing, rafters, and many other building components. Lumber weight is an important factor in various structural design considerations. About Our Lumber Weight Chart The following conversion factors in cubic metres (m³) are used to convert the calculated volume into different volumetric units: Metric Volumetric Units Note that we do not remove the trailing 0 because it was originally to the right of the decimal and is therefore a A cubic foot is equal to 12 inches x 12 inches x 12 inches, or 1,728 cubic inches. To continue our example, we know that a one foot long 2×2 is 27 cubic inches.Read on to learn more about lumber weights, or scroll to the end for the full weight chart. Green or Oven-Dry Lumber Weights

You can find the midpoint of a line segment given 2 endpoints, (x 1, y 1) and (x 2, y 2). Add each x-coordinate and divide by 2 to find x of the midpoint. Add each y-coordinate and divide by 2 to find y of the midpoint. Don’t use the nominal size of the board for this, be sure to look up the actual dimensions for the lumber in question. When F 1 = F 2, the resulting ellipse is a circle. The semi-major axis of an ellipse, as shown in the figure that is part of the calculator, is the longest radius of the ellipse, while the semi-minor axis is the shortest. The major and minor axes refer to the diameters rather than radii of the ellipse. The equation for calculating the area of an ellipse is similar to that for calculating the area of a circle, with the only difference being the use of two radii, rather than one (since the foci are in the same location for a circle): Enter measurements in US units or metric units. Calculate area from your measurements in inches (in), feet (ft), yards (yd), millimeters (mm), centimeters (cm), or meters (m). You can also enter decimal values. For example, if you have one measurement that is 7'3" you can enter that as 7.25 feet (3"/12" = 0.25 ft). If you have a measurement of 245 cm you can also enter that as 2.45 m. How to Calculate Square FootageWhen a is a fraction, this essentially involves exchanging the position of the numerator and the denominator. The reciprocal of the fraction 3 The table provides the air-dried weight of lumber produced from three commonly used tree species: Sitka Spruce, Douglas Fir, and Southern Yellow Pine. Once the measurements have been entered for length, width and height, the calculated volume will be shown in the answer box. Also a graphic will be shown of a scaled 3D drawing to the correct proportions and labelled with each dimension and calculated volume. Formula You will need this value to figure out what percentage of a cubic foot a one-foot-long piece of your lumber is by volume.