--- title: "Construction & Home Calculators | XTRAW Tools" description: "Construction and home calculators for ceiling fans, humidity, water heaters, BTU, heat loss, insulation R-values, U-values, lighting, lumens, and room planning." url: "https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc" date: "2026-05-22T03:25:17+00:00" language: "en-GB" --- ## [ Construction Calculators ![Construction Calculators category image](https://xtraw.com/images/virtuemart/category/158_construction-calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/construction-calculators "Construction Calculators") ## [ Gardening Calculators ![Gardening Calculators category image](https://xtraw.com/images/virtuemart/category/169_gardening-calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/gardening-calculators "Gardening Calculators") ## [ Home Comfort Calculators ![Home Comfort Calculators category image](https://xtraw.com/images/virtuemart/category/267_home-comfort-calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/home-comfort-calculators "Home Comfort Calculators") ## [ Landscaping Calculators ![Landscaping Calculators category image](https://xtraw.com/images/virtuemart/category/168_landscaping-calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/landscaping-calculators "Landscaping Calculators") ## [ Lighting Calculators ![Lighting Calculators category image](https://xtraw.com/images/virtuemart/category/273_lighting-calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/lighting-calculators "Lighting Calculators") ## [ Room Calculators ![Room Calculators category image](https://xtraw.com/images/virtuemart/category/265_room-calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/room-calculators "Room Calculators") ## [ Wall Covering Calculators ![Wall Covering Calculators category image](https://xtraw.com/images/virtuemart/category/256_wall-covering-calculators.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/wall-covering-calculators "Wall Covering Calculators") Sort by [Sorted Product Name -/+](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc "-/+") [Product Name](https://xtraw.com/tools/calculators/construction-home-calculators/by,product_name/dirDesc "Product Name") [Ordering](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc "Ordering") - Start - Prev - 1 - [2](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc/results,25-48 "2") - [3](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc/results,49-72 "3") - [Next](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc/results,25-48 "Next") - [End](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc/results,49-72 "End") Page 1 of 3 Results 1 - 24 of 69 24 # Construction & Home Calculators #### Latest Products [ ![Foot-Candle Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-foot-candle-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/foot-candle-calculator "Foot-Candle Calculator") new ## [Foot-Candle Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2469&virtuemart_category_id=19&Itemid=173) Calculate illuminance (foot-candles) at a surface from ... Be the first to review product [ ![Lumens Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-lumens-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/lumens-calculator "Lumens Calculator") new ## [Lumens Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2468&virtuemart_category_id=19&Itemid=173) Convert between lumens, watts, and luminous efficacy. Use ... Be the first to review product [ ![Lighting Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-lighting-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/lighting-calculator "Lighting Calculator") new ## [Lighting Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2467&virtuemart_category_id=19&Itemid=173) Calculate total lumens needed and number of light fixtures ... Be the first to review product #### Products [ ![Water Heater Size Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-water-heater-size-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/water-heater-size-calculator "Water Heater Size Calculator") new ## [Water Heater Size Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2462&virtuemart_category_id=19&Itemid=173) Estimate water heater tank size or first-hour rating ... Be the first to review product [ ![Wallpaper Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-wallpaper-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/wallpaper-calculator "Wallpaper Calculator") new ## [Wallpaper Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2429&virtuemart_category_id=19&Itemid=173) Calculate rolls of wallpaper needed for a room. Use this ... Be the first to review product [ ![Vinyl Siding Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-vinyl-siding-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/vinyl-siding-calculator "Vinyl Siding Calculator") new ## [Vinyl Siding Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2431&virtuemart_category_id=19&Itemid=173) Calculate vinyl siding panels and squares needed. Use this ... Be the first to review product [ ![Ventilation Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-ventilation-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/ventilation-calculator "Ventilation Calculator") new ## [Ventilation Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2458&virtuemart_category_id=19&Itemid=173) Calculate minimum ventilation CFM for a space based on area ... Be the first to review product [ ![U-Value Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-u-value-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/u-value-calculator "U-Value Calculator") new ## [U-Value Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2466&virtuemart_category_id=19&Itemid=173) Calculate U-value (thermal transmittance) from R-value and ... Be the first to review product [ ![Tile Layout Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-tile-layout-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/tile-layout-calculator "Tile Layout Calculator") new ## [Tile Layout Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2448&virtuemart_category_id=19&Itemid=173) Calculate number of tiles needed for a floor or wall. Use ... Be the first to review product [ ![Stud Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-stud-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/stud-calculator "Stud Calculator") new ## [Stud Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2436&virtuemart_category_id=19&Itemid=173) Calculate number of wall studs needed for a framed wall. ... Be the first to review product [ ![Spray Foam Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-spray-foam-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/spray-foam-calculator "Spray Foam Calculator") new ## [Spray Foam Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2433&virtuemart_category_id=19&Itemid=173) Calculate spray foam board-feet needed for a surface. Use ... Be the first to review product [ ![Siding Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-siding-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/siding-calculator "Siding Calculator") new ## [Siding Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2430&virtuemart_category_id=19&Itemid=173) Calculate squares of siding needed to cover exterior walls. ... Be the first to review product [ ![Room Size Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-room-size-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/room-size-calculator "Room Size Calculator") new ## [Room Size Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2454&virtuemart_category_id=19&Itemid=173) Calculate room area, volume, and perimeter from dimensions. ... Be the first to review product [ ![Room BTU Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-room-btu-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/room-btu-calculator "Room BTU Calculator") new ## [Room BTU Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2450&virtuemart_category_id=19&Itemid=173) Estimate BTU capacity needed to heat or cool a room. Use ... Be the first to review product [ ![Roof Shingle Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-roof-shingle-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/roof-shingle-calculator "Roof Shingle Calculator") new ## [Roof Shingle Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2444&virtuemart_category_id=19&Itemid=173) Calculate roofing squares and bundles of shingles needed. ... Be the first to review product [ ![Roof Pitch Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-roof-pitch-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/roof-pitch-calculator "Roof Pitch Calculator") new ## [Roof Pitch Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2442&virtuemart_category_id=19&Itemid=173) Calculate roof pitch, angle, and slope multiplier from rise ... Be the first to review product [ ![Rebar Weight Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-rebar-weight-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/rebar-weight-calculator "Rebar Weight Calculator") new ## [Rebar Weight Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2416&virtuemart_category_id=19&Itemid=173) Calculate the weight of rebar by bar size and length. Use ... Be the first to review product [ ![Rebar Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-rebar-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/rebar-calculator "Rebar Calculator") new ## [Rebar Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2415&virtuemart_category_id=19&Itemid=173) Calculate linear feet of rebar needed for a concrete slab. ... Be the first to review product [ ![Ramp Slope Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-ramp-slope-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/ramp-slope-calculator "Ramp Slope Calculator") new ## [Ramp Slope Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2447&virtuemart_category_id=19&Itemid=173) Calculate ramp length, slope ratio, and ADA compliance for ... Be the first to review product [ ![Rafter Length Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-rafter-length-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/rafter-length-calculator "Rafter Length Calculator") new ## [Rafter Length Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2443&virtuemart_category_id=19&Itemid=173) Calculate common rafter length from run and pitch. Use this ... Be the first to review product [ ![Radiator BTU Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-radiator-btu-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/radiator-btu-calculator "Radiator BTU Calculator") new ## [Radiator BTU Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2463&virtuemart_category_id=19&Itemid=173) Calculate BTU output needed from a radiator for a given ... Be the first to review product [ ![Post Hole Concrete Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-post-hole-concrete-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/post-hole-concrete-calculator "Post Hole Concrete Calculator") new ## [Post Hole Concrete Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2441&virtuemart_category_id=19&Itemid=173) Calculate concrete needed to set fence or deck posts in ... Be the first to review product [ ![Plywood Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-plywood-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/plywood-calculator "Plywood Calculator") new ## [Plywood Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2437&virtuemart_category_id=19&Itemid=173) Calculate number of plywood sheets needed to cover an area. ... Be the first to review product [ ![Paver Sand Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-paver-sand-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/paver-sand-calculator "Paver Sand Calculator") new ## [Paver Sand Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2412&virtuemart_category_id=19&Itemid=173) Calculate bedding sand needed under pavers. Use this free ... Be the first to review product [ ![Paver Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-paver-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/paver-calculator "Paver Calculator") new ## [Paver Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2411&virtuemart_category_id=19&Itemid=173) Calculate how many pavers are needed to cover an area. Use ... Be the first to review product [ ![Paver Base Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-paver-base-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/paver-base-calculator "Paver Base Calculator") new ## [Paver Base Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2413&virtuemart_category_id=19&Itemid=173) Calculate gravel/crushed stone base needed under pavers. ... Be the first to review product [ ![Paint Coverage Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-paint-coverage-calculator-360x360_230x230.jpg) ](https://xtraw.com/tools/calculators/construction-home-calculators/paint-coverage-calculator "Paint Coverage Calculator") new ## [Paint Coverage Calculator](https://xtraw.com/index.php?option=com_virtuemart&view=productdetails&virtuemart_product_id=2428&virtuemart_category_id=19&Itemid=173) Calculate gallons of paint needed for walls, ceilings, or ... Be the first to review product - Start - Prev - 1 - [2](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc/results,25-48 "2") - [3](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc/results,49-72 "3") - [Next](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc/results,25-48 "Next") - [End](https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc/results,49-72 "End") Page 1 of 3 ## Schema ```json { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://xtraw.com" }, { "@type": "ListItem", "position": 2, "name": "All Tools", "item": "https://xtraw.com/tools" }, { "@type": "ListItem", "position": 3, "name": "Calculators", "item": "https://xtraw.com/tools/calculators/construction-home-calculators/by,ordering/dirDesc" } ] } ```