How Roof Area Is Calculated. Explore the area or volume calculator, as well as hundreds of other calculators addressing math, finance, fitness, health, and … Area is defined as the expanse or measurement of a given surface, and there are a few methods for measuring your roof’s area. Calculates height, length and width of a gable roof from the angle of slope and the thickness of the roof. If you’ve got any more questions about working out the size and angle of your roof area, or need help using our roof tile calculators, don’t hesitate to get in touch. Calculating the surface area of a sloped roof can be time-consuming without the right tools. Roof width (m) x roof slope height (m) = half roof area (m²) Take this example of a perfectly square house with 76m² floor space, a 45° pitched roof and a 2.35m roof height. To calculate the area of your roof, first you’ll need to calculate the pitch of it: First, use your measuring tape to measure 12 inches on your large level and make a mark at the 12-inch line. Navigation. We include on-roof measurements, roof measurements or estimates that can be made from ground level, and several neat tricks using a folding ruler to measure roof angle or slope. Use this calculator to quickly estimate how many large solar panels you could fit onto a roof and roughly calculate how much power they could generate (kWhrs). Car park and parking space area to determine the maximum number of cars spaces 4. Custom Pixel Works The image is for general informational purpose. It will calculate the most commonly needed measurements for a dome — both spherical or oblate. Input the area size, and the size of tiles you would like. Dome calculations are painful to do by hand. Calculating an area of a triangle when estimating a roof. How to Calculate Ventilation. The only difference in this calculation to the one for a Gable roof area is the amount of the Ridge. Here you will find roofing related tools like: roof area calculators, roof materials calculators, pitch calculators, geometric shapes calculator. It is the Horizontal area that is required, (not the sloping, actual area). When it comes to ordering the right products for your roofing project, we don’t want to leave you guessing where to start, especially if you’re encountering your first roofing project using Cladco Profiles roofing sheets. Rainwater Collection Calculation Formulas and Equations. This calculation option will also give you a very accurate result. How to calculate roof, and downpipe catchment areas from the Architects PDF plan, using the free PDF reader 'Foxit Reader'. Here you can easily find how much rainwater you can collect from you roof, how much you need to remove from a courtyard, or how much runoff you can expect from an area of land. 45° is a standard value for the slope α, for the thickness of the roof r, 30 cm are assumed. We use cookies to give you the best online experience. Owens Corning. Calculates height, length and width of a gable roof from the angle of slope and the thickness of the roof. Now we have the m2 size of the roof, we can start calculating how many slates you need to cover the entirety of your roof. They should not be used in any way for purchasing materials or other similar purposes! Watch the Video Legend: Boxes shown like this Indicate a calculated value. Useful tool to find the approximate acreage or a tract of land, the square footage of a roof, or estimate of the area of something. 3D. New Shingle Roof. Roofing Resources During COVID-19 For Contractors For Homeowners. Roof Area (m2) X Precipitation Amount (mm) = Amount Collected (liters) tiles, battens, felt, syklights etc) Any preferred manufacturer; Colour or style of materials; Once you have this information find your local branch and they will be happy to help. Our free tool make it easy calculate the number of tiles you ll need for your project. Although this calculation is simple in principle, the units can make it a headache. We value your privacy. To Calculate: Enter roof area, roof slope, and rainfall intensity. Length of one roof side is without eaves. We will explain to you how to determine the roof pitch step by step. For a more precise result, please choose a specific shape calculator. The Area Calculator can be used to calculate the area of a variety of simple shapes that together can comprise the area of the roof. The base width is the distance from one corner of your roof to the other, at its base, on the short side of your house. How to calculate the roof area from house area and pitch, How to calculate the pitch from rise and run, How to calculate the roof area of a gabled roof. Using the aggregate area of these simple shapes can yield a more accurate roof area to be used with the Roofing Material Calculator. 1 roof square = 100 square feet; The length (l) times the height (h) of a triangle is twice its area (A2). However, CalcTool's unit menus remove this issue, doing all the unit conversion for you. Note: Pressing the 'Enter' button will also dismiss the Alert Box should it appear. Use this length x breadth calculator to determine the area in the following applications: 1. Roof A dimensions only will give you the area of a straight gable end or hipped roof. PAINT CALCULATOR ROOF HaloDeshneeS 2020-02-25T10:42:19+02:00 Welcome to our custom built paint calculator. The same method is used for gable roofs. When you get to building, you need to talk with a specialist! We aim to further improve our website and the services we provide, therfore we encourage you to contact us with any observations or comments you might have regarding the calculations or the roofing shapes. The informations provided by our website are generic and they should not be used for purchasing construction materials - for that please consult a specialist. Google Maps or other overhead mapping software can also be used to calculate your roof surface area. To work out the surface area, simply multiply the length in metres by width for square or rectangular roofs. Since most roof projects in UK / Europe are REPAIRS and not a complete replacement, you will see cost / M2 go down as roof size increases and vise-versa. Hip roof framing calculator plan diagram with full dimensions. The top ridge will be shorter than the one of the Gable roof, but the four hips will add to the Ridge length. Since rainwater is collected from rooftops, you will need to work out the total surface area of roof/s that will be used to catch rainwater. By continuing to browse the site you are agreeing to our use of cookies. Whether you’re painting a wall or a roof, we’ve made it so much easier for you to calculate how much paint you will be needing. Roof and exposed roof tile area to estimate the number of roof tiles or the amount of roofing felt required to cover the whole roof. 2. First determine the area of the roof plan by multiplying the length of the roof by the width. The height h means height above base, not height above ground. You can speak to our experienced customer service team via telephone on 01295 565 565, via email at or via the handy live chat on our website. This roof pitch calculator is a handy tool that will help you quickly assess what is the pitch of your roof of what length of rafters you need for your construction works. Build Your Roof. All these tools are free and we hope - easy and intuitive to use. You want a roof area calculator that provides accurate estimates to help you order materials such as shingles, membrane, roofing, or ceramic tile. Because we are trying to make the calculations simpler, we have to assume that your roof dimensions are uniform. Please enter angle of slope, thickness of the roof and length, width or height. Calculating your roof surface area Building plans offer the easiest way to calculate your roof surface area – after all, the numbers should all be on there. Start the project with a Roof Area Calculator. So I have written this simple calculation worksheet to help. There are a couple of things to note here: Quantities will differ depending on which slate size you choose (more info on this below) A 10% wastage allowance for handling, cutting and fitting is normally added to your order to ensure you aren’t left short. Roof Area (ft2) X Precipitation Amount (in) X 0.623 = Amount Collected (gallons) Easy Formula to Remember: 1″ of Rain on 1,000 sf Roof will Yield 623 Gallons. How to Increase Curb Appeal with Color. Step 2: Calculate Surface Area of Your Roof. Because of this, the roofing dimensions are ideal. You can also use this roof slope calculator to recalculate the roof pitch from degrees to percents. To find the area of your hipped roof, simply multiply your plan area by the Roof Slope Factor for the roof area. We aim to ask only for the dimensions which are easy to be provided without advanced technical knowledge. Gable & Hip Roofs will have the same area provided that the pitch remains the same. So if you divide your answer of a product of length times height by two, you will get the area of a triangle. Roof Area calculator. We are doing lots of calculations in the background in order to ask you for fewer dimensions - we are computing some dimensions based on the ones you provide. Use our free insulation calculators to find out how much insulation material you need. Freezer or chiller room floor area capacity. Example: at a base width b of 500 cm, the height is 292.43 cm. The roof slope height is 6.98m. The resulting figure represents the surface area of your roof in square metres. The other two values and the thickness of the ridge will be calculated. The square metres of a Hip roof area are identical to the square metres of a Gable roof of the same size. All these tools are free and we hope - easy and intuitive to use. Roof area. Rafter Join Detail Hip roof framing - hip to common to ridge join diagram : Print full scale paper templates - cut and fold over wood to mark and cut angles. All you need to do is input the size of your loft or roof space. Learn. The dimensions are rounded to two decimal places. All informations and services on this website are free! We can add more shapes or calculations if you are requesting them. Please be aware that those informations are generic and for informational purposes only! Climb to the top of your roof. Before making the calculation, add gutter overhangs of 50mm. If you are interested to collaborate with our website for advertising or other opportunities, please contact us. Roof Sheet Calculator. Based on your inputs, the calculator will automatically adjust cost / M2 up or down, for smaller jobs. All length units are the same (e.g. Planning Your Roof. - our partener website. This will provide an area calculation for clay or concrete roof tile, natural or composite slate, underfelt or breathable felt and ridge length. Seating area to determine the approximate crowd capacity. Roof Calculator. Let Owens Corning Roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic, with our 4-step ventilation calculator. We assume that the mirrored length dimensions and angles are equal so we can only ask for them once. The height h means height above base, not height above ground. 5. No pitch required (how ) Simple roof; One small dormer; One large dormer; Two small dormers; Two small dormers; Mixed dormers * This image is to clarify which is the rise of the roof (H) and the rise of the dormer (h). (Adjust to suit) For a good straight fascia, add an extra 20 mm or so to the tails of all your rafters (total length). DIY Roofing 101. In general, in most of UK, "average" cost of repairing a Tile/Slate roof is £90-100 per M2. What parts of the roof you want a quote for (e.g. After that, place your level against the gable trim and flat against the side of the house. The number of panels, the roof layout, the overall system size allowing space for roof mounting equipment and example power output figures (kWhrs) are provided for each system. (no user input is required) It’s not impossible, just time consuming. JavaScript has to be enabled to use the calculator. All calculations are free to use and we decline any responsibility on the end result. Next, place your ladder against your house at the gable end. This includes materials and re-use of old materials. 45° is a standard value for the slope α, for the thickness of the roof r, 30 cm are assumed. Our roof calculator uses “base length” and “base width” to find the estimated area. This free surface area calculator determines the surface area of a number of common shapes, including sphere, cone, cube, cylinder, capsule, cap, conical frustum, ellipsoid, and square pyramid. 3. 6. How to calculate the roof area of a building . Warehouse storage floor area capacity. Example: at a base width b of 500 cm, the height is 292.43 cm. Roof area calculator - Hip. Roof area calculation & measurement methods: Here we describe various methods for measuring all roof data: roof slope or pitch, rise, run, area, and other features. Anzeige. cm or feet), the angle is in degrees. Press the 'Calculate' button associated with that section. (l×h)/2 = Area. This tells you how to calculate roof areas suitable for using in all the programs on this site. Calculate the area of a Hip Roof using metric measurements online. The effect of the roof slope is allowed for by entering the angle of the roof in the programs.