[{"data":1,"prerenderedAt":658},["ShallowReactive",2],{"catalog":3,"page:\u002Fhome-improvement\u002Ftile-calculator":294},[4,55,76,108,129,165,197,247,280],{"path":5,"stem":6,"title":7,"short":8,"icon":9,"order":10,"calculators":11},"\u002Fwoodworking","woodworking\u002Findex","Woodworking Calculators","Board feet, stairs, deck boards, tape measure fractions and decimals.","i-lucide-hammer",1,[12,19,25,31,37,43,49],{"path":13,"stem":14,"title":15,"short":16,"icon":17,"hub":18},"\u002Fwoodworking\u002Fboard-foot-calculator","woodworking\u002Fboard-foot-calculator","Board Foot Calculator","Board feet, cost and waste for a list of boards, hardwood or softwood.","i-lucide-ruler-dimension-line","woodworking",{"path":20,"stem":21,"title":22,"short":23,"icon":24,"hub":18},"\u002Fwoodworking\u002Fdeck-board-calculator","woodworking\u002Fdeck-board-calculator","Deck Board Calculator","Deck boards, linear feet, joists and screws for any deck size.","i-lucide-rows-3",{"path":26,"stem":27,"title":28,"short":29,"icon":30,"hub":18},"\u002Fwoodworking\u002Ffraction-to-decimal-chart","woodworking\u002Ffraction-to-decimal-chart","Fraction to Decimal Chart (Inches)","Every 64th of an inch as a decimal and in mm, with a two-way converter.","i-lucide-decimals-arrow-right",{"path":32,"stem":33,"title":34,"short":35,"icon":36,"hub":18},"\u002Fwoodworking\u002Fhow-to-read-a-tape-measure","woodworking\u002Fhow-to-read-a-tape-measure","How to Read a Tape Measure","Tap any mark on an interactive tape to see its fraction, decimal and mm.","i-lucide-pencil-ruler",{"path":38,"stem":39,"title":40,"short":41,"icon":42,"hub":18},"\u002Fwoodworking\u002Fplywood-calculator","woodworking\u002Fplywood-calculator","Plywood Calculator","Plywood and OSB sheets for subfloors, walls and roofs, with cost.","i-lucide-layers",{"path":44,"stem":45,"title":46,"short":47,"icon":48,"hub":18},"\u002Fwoodworking\u002Frafter-calculator","woodworking\u002Frafter-calculator","Rafter Calculator","Common rafter length, angle and ridge height for any span and pitch.","i-lucide-house",{"path":50,"stem":51,"title":52,"short":53,"icon":54,"hub":18},"\u002Fwoodworking\u002Fstair-calculator","woodworking\u002Fstair-calculator","Stair Calculator","Risers, treads, total run and stringer length from the total rise.","i-lucide-chart-no-axes-column-increasing",{"path":56,"stem":57,"title":58,"short":59,"icon":60,"order":61,"calculators":62},"\u002Fresin-and-candles","resin-and-candles\u002Findex","Resin & Candle Making Calculators","Epoxy volumes and mix ratios, candle wax and fragrance oil.","i-lucide-flask-conical",2,[63,70],{"path":64,"stem":65,"title":66,"short":67,"icon":68,"hub":69},"\u002Fresin-and-candles\u002Fcandle-wax-calculator","resin-and-candles\u002Fcandle-wax-calculator","Candle Wax Calculator","Wax and fragrance oil by weight for any jar size and batch.","i-lucide-flame","resin-and-candles",{"path":71,"stem":72,"title":73,"short":74,"icon":75,"hub":69},"\u002Fresin-and-candles\u002Fepoxy-resin-calculator","resin-and-candles\u002Fepoxy-resin-calculator","Epoxy Resin Calculator","Resin for molds, river tables and tabletop coats, split into A and B.","i-lucide-droplets",{"path":77,"stem":78,"title":79,"short":80,"icon":81,"order":82,"calculators":83},"\u002Fquilting","quilting\u002Findex","Quilting Calculators","Backing, binding, half-square triangles and quilt sizes.","i-lucide-grid-3x3",3,[84,91,96,102],{"path":85,"stem":86,"title":87,"short":88,"icon":89,"hub":90},"\u002Fquilting\u002Fhalf-square-triangle-calculator","quilting\u002Fhalf-square-triangle-calculator","Half Square Triangle Calculator","Cutting sizes and square counts for 2-, 4- and 8-at-a-time HSTs.","i-lucide-triangle-right","quilting",{"path":92,"stem":93,"title":94,"short":95,"icon":42,"hub":90},"\u002Fquilting\u002Fquilt-backing-calculator","quilting\u002Fquilt-backing-calculator","Quilt Backing Calculator","Yardage, panels and seam direction for any quilt back.",{"path":97,"stem":98,"title":99,"short":100,"icon":101,"hub":90},"\u002Fquilting\u002Fquilt-binding-calculator","quilting\u002Fquilt-binding-calculator","Quilt Binding Calculator","Strips to cut and fabric to buy for double-fold binding.","i-lucide-frame",{"path":103,"stem":104,"title":105,"short":106,"icon":107,"hub":90},"\u002Fquilting\u002Fquilt-size-calculator","quilting\u002Fquilt-size-calculator","Quilt Size Calculator","Finished size from blocks and borders, or the right size for your bed.","i-lucide-bed-double",{"path":109,"stem":110,"title":111,"short":112,"icon":113,"order":114,"calculators":115},"\u002Fsewing-and-needlework","sewing-and-needlework\u002Findex","Sewing & Needlework Calculators","Fabric yardage, cutting plans and cross stitch fabric sizes.","i-lucide-scissors",4,[116,123],{"path":117,"stem":118,"title":119,"short":120,"icon":121,"hub":122},"\u002Fsewing-and-needlework\u002Fcross-stitch-fabric-calculator","sewing-and-needlework\u002Fcross-stitch-fabric-calculator","Cross Stitch Fabric Calculator","Finished design size and fabric to cut for any Aida or linen count.","i-lucide-grid-2x2-x","sewing-and-needlework",{"path":124,"stem":125,"title":126,"short":127,"icon":128,"hub":122},"\u002Fsewing-and-needlework\u002Ffabric-yardage-calculator","sewing-and-needlework\u002Ffabric-yardage-calculator","Fabric Yardage Calculator","Yards and meters to buy for any set of pieces, with a cutting plan.","i-lucide-ruler",{"path":130,"stem":131,"title":132,"short":133,"icon":134,"order":135,"calculators":136},"\u002Fknitting-and-crochet","knitting-and-crochet\u002Findex","Knitting & Crochet Calculators","Yarn yardage, gauge, blanket sizes, and needle and hook sizes.","i-lucide-spool",5,[137,143,149,154,159],{"path":138,"stem":139,"title":140,"short":141,"icon":107,"hub":142},"\u002Fknitting-and-crochet\u002Fcrochet-blanket-size-calculator","knitting-and-crochet\u002Fcrochet-blanket-size-calculator","Crochet Blanket Size Calculator","Blanket size chart plus the starting chain and rows at your gauge.","knitting-and-crochet",{"path":144,"stem":145,"title":146,"short":147,"icon":148,"hub":142},"\u002Fknitting-and-crochet\u002Fcrochet-hook-size-chart","knitting-and-crochet\u002Fcrochet-hook-size-chart","Crochet Hook Size Chart","US letters, millimeters and UK sizes for every hook, plus the yarn each suits.","i-lucide-fishing-hook",{"path":150,"stem":151,"title":152,"short":153,"icon":128,"hub":142},"\u002Fknitting-and-crochet\u002Fknitting-gauge-calculator","knitting-and-crochet\u002Fknitting-gauge-calculator","Knitting Gauge Calculator","Cast-on stitches and rows from your gauge, or rescale a pattern.",{"path":155,"stem":156,"title":157,"short":158,"icon":36,"hub":142},"\u002Fknitting-and-crochet\u002Fknitting-needle-size-chart","knitting-and-crochet\u002Fknitting-needle-size-chart","Knitting Needle Size Chart","US, metric and UK sizes for every knitting needle, plus the yarn each suits.",{"path":160,"stem":161,"title":162,"short":163,"icon":164,"hub":142},"\u002Fknitting-and-crochet\u002Fyarn-calculator","knitting-and-crochet\u002Fyarn-calculator","Yarn Calculator","Yards, meters and skeins for any project, worked out from your swatch.","i-lucide-scale",{"path":166,"stem":167,"title":168,"short":169,"icon":170,"order":171,"calculators":172},"\u002Fpool-and-aquarium","pool-and-aquarium\u002Findex","Pool, Pond & Aquarium Calculators","Pool and pond gallons, aquarium volume and fish stocking.","i-lucide-waves",6,[173,180,186,191],{"path":174,"stem":175,"title":176,"short":177,"icon":178,"hub":179},"\u002Fpool-and-aquarium\u002Faquarium-volume-calculator","pool-and-aquarium\u002Faquarium-volume-calculator","Aquarium Volume Calculator","Gallons, liters and weight for rectangle, bow front, cylinder and hex tanks.","i-lucide-container","pool-and-aquarium",{"path":181,"stem":182,"title":183,"short":184,"icon":185,"hub":179},"\u002Fpool-and-aquarium\u002Ffish-tank-stocking-calculator","pool-and-aquarium\u002Ffish-tank-stocking-calculator","Fish Tank Stocking Calculator","Check your fish list against the inch-per-gallon and surface-area rules.","i-lucide-fish",{"path":187,"stem":188,"title":189,"short":190,"icon":75,"hub":179},"\u002Fpool-and-aquarium\u002Fpond-volume-calculator","pool-and-aquarium\u002Fpond-volume-calculator","Pond Volume Calculator","Pond gallons, liner size and pump flow for any garden pond.",{"path":192,"stem":193,"title":194,"short":195,"icon":196,"hub":179},"\u002Fpool-and-aquarium\u002Fpool-volume-calculator","pool-and-aquarium\u002Fpool-volume-calculator","Pool Volume Calculator","Gallons and liters for round, oval, rectangle and kidney pools.","i-lucide-waves-ladder",{"path":198,"stem":199,"title":200,"short":201,"icon":202,"order":203,"calculators":204},"\u002Fgarden","garden\u002Findex","Garden & Landscape Calculators","Mulch, gravel, soil and sand, companion plants and garden plans.","i-lucide-leaf",7,[205,212,218,224,230,236,242],{"path":206,"stem":207,"title":208,"short":209,"icon":210,"hub":211},"\u002Fgarden\u002Fcompanion-planting-chart","garden\u002Fcompanion-planting-chart","Companion Planting Chart","Good and bad neighbors for 30 vegetables, herbs and flowers.","i-lucide-sprout","garden",{"path":213,"stem":214,"title":215,"short":216,"icon":217,"hub":211},"\u002Fgarden\u002Fgravel-calculator","garden\u002Fgravel-calculator","Gravel Calculator","Gravel for driveways, paths and patios in cubic yards, tons and bags.","i-lucide-mountain",{"path":219,"stem":220,"title":221,"short":222,"icon":223,"hub":211},"\u002Fgarden\u002Fmulch-calculator","garden\u002Fmulch-calculator","Mulch Calculator","Mulch for garden beds in cubic yards and 1.5, 2 or 3 cu ft bags.","i-lucide-trees",{"path":225,"stem":226,"title":227,"short":228,"icon":229,"hub":211},"\u002Fgarden\u002Fraised-bed-soil-calculator","garden\u002Fraised-bed-soil-calculator","Raised Bed Soil Calculator","Soil for any raised bed in cubic feet, cubic yards and bags.","i-lucide-shovel",{"path":231,"stem":232,"title":233,"short":234,"icon":235,"hub":211},"\u002Fgarden\u002Fsand-calculator","garden\u002Fsand-calculator","Sand Calculator","Sand for sandboxes, paver bases and leveling in tons and bags.","i-lucide-hourglass",{"path":237,"stem":238,"title":239,"short":240,"icon":241,"hub":211},"\u002Fgarden\u002Fsquare-foot-garden-planner","garden\u002Fsquare-foot-garden-planner","Square Foot Garden Planner","Plan a square foot garden square by square and count the plants.","i-lucide-layout-grid",{"path":243,"stem":244,"title":245,"short":246,"icon":210,"hub":211},"\u002Fgarden\u002Ftopsoil-calculator","garden\u002Ftopsoil-calculator","Topsoil Calculator","Topsoil for lawns, beds and leveling in cubic yards, tons and bags.",{"path":248,"stem":249,"title":250,"short":251,"icon":252,"order":253,"calculators":254},"\u002Fpets","pets\u002Findex","Pet & Backyard Animal Calculators","Cat and dog ages, puppy adult weight, and chicken coop space.","i-lucide-paw-print",8,[255,262,268,274],{"path":256,"stem":257,"title":258,"short":259,"icon":260,"hub":261},"\u002Fpets\u002Fcat-age-calculator","pets\u002Fcat-age-calculator","Cat Age Calculator","Cat years to human years, plus your cat's life stage.","i-lucide-cat","pets",{"path":263,"stem":264,"title":265,"short":266,"icon":267,"hub":261},"\u002Fpets\u002Fchicken-coop-size-calculator","pets\u002Fchicken-coop-size-calculator","Chicken Coop Size Calculator","Coop floor, run, roosts, nest boxes and vents for your flock.","i-lucide-egg",{"path":269,"stem":270,"title":271,"short":272,"icon":273,"hub":261},"\u002Fpets\u002Fdog-age-calculator","pets\u002Fdog-age-calculator","Dog Age Calculator","Dog years to human years by size, plus the epigenetic formula.","i-lucide-dog",{"path":275,"stem":276,"title":277,"short":278,"icon":279,"hub":261},"\u002Fpets\u002Fpuppy-weight-calculator","pets\u002Fpuppy-weight-calculator","Puppy Weight Calculator","Your puppy's likely adult weight, from its weight and age in weeks.","i-lucide-bone",{"path":281,"stem":282,"title":283,"short":284,"icon":285,"order":286,"calculators":287},"\u002Fhome-improvement","home-improvement\u002Findex","Home Improvement Calculators","Tile, boxes and grout for floors, walls and backsplashes.","i-lucide-paint-roller",9,[288],{"path":289,"stem":290,"title":291,"short":292,"icon":81,"hub":293},"\u002Fhome-improvement\u002Ftile-calculator","home-improvement\u002Ftile-calculator","Tile Calculator","Tiles, boxes and grout for floors, walls and backsplashes.","home-improvement",{"kind":295,"calculator":296},"calculator",{"id":297,"title":291,"body":298,"calculator":624,"description":625,"extension":626,"faq":627,"hub":293,"icon":81,"keyword":646,"meta":647,"navigation":648,"path":289,"related":649,"seo":654,"seoTitle":655,"short":292,"stem":290,"updated":656,"__hash__":657},"calculators\u002Fhome-improvement\u002Ftile-calculator.md",{"type":299,"value":300,"toc":615},"minimark",[301,306,310,345,349,352,461,466,536,540,543,579,583],[302,303,305],"h2",{"id":304},"how-the-calculator-works","How the calculator works",[307,308,309],"p",{},"Enter the area, or its length and width, then the tile size, the grout joint and the tile thickness.",[311,312,313,321,327,333,339],"ul",{},[314,315,316,320],"li",{},[317,318,319],"strong",{},"Area:"," length × width. For an L-shaped room, split it into rectangles and add them, or enter the total with \"I know the area\".",[314,322,323,326],{},[317,324,325],{},"Tile footprint:"," (width + joint) × (length + joint) ÷ 144 = square feet each tile covers with its share of the joint.",[314,328,329,332],{},[317,330,331],{},"Tiles:"," area ÷ footprint, plus the waste percentage, rounded up. Straight layouts default to 10% and diagonal or herringbone to 15%.",[314,334,335,338],{},[317,336,337],{},"Boxes:"," area with waste ÷ the square feet per box, rounded up.",[314,340,341,344],{},[317,342,343],{},"Grout:"," joint length per square foot (144 × (1 ÷ tile width + 1 ÷ tile length)) × joint width × tile thickness gives the volume; at about 0.064 pounds of sanded grout per cubic inch, plus 10%, that is the grout to buy. The factor matches a major brand's 25-pound bag coverage chart within a few percent.",[302,346,348],{"id":347},"tile-chart-tiles-for-common-rooms","Tile chart: tiles for common rooms",[307,350,351],{},"With 1\u002F8-inch joints and 10% extra for cuts.",[353,354,355,374],"table",{},[356,357,358],"thead",{},[359,360,361,365,368,371],"tr",{},[362,363,364],"th",{},"Room",[362,366,367],{},"12 × 12 in",[362,369,370],{},"12 × 24 in",[362,372,373],{},"3 × 6 in subway",[375,376,377,392,405,419,433,447],"tbody",{},[359,378,379,383,386,389],{},[380,381,382],"td",{},"5 × 8 ft (40 sq ft)",[380,384,385],{},"44",[380,387,388],{},"22",[380,390,391],{},"332",[359,393,394,397,400,402],{},[380,395,396],{},"8 × 10 ft (80 sq ft)",[380,398,399],{},"87",[380,401,385],{},[380,403,404],{},"663",[359,406,407,410,413,416],{},[380,408,409],{},"10 × 10 ft (100 sq ft)",[380,411,412],{},"108",[380,414,415],{},"55",[380,417,418],{},"828",[359,420,421,424,427,430],{},[380,422,423],{},"10 × 12 ft (120 sq ft)",[380,425,426],{},"130",[380,428,429],{},"65",[380,431,432],{},"994",[359,434,435,438,441,444],{},[380,436,437],{},"12 × 15 ft (180 sq ft)",[380,439,440],{},"194",[380,442,443],{},"98",[380,445,446],{},"1,490",[359,448,449,452,455,458],{},[380,450,451],{},"15 × 20 ft (300 sq ft)",[380,453,454],{},"324",[380,456,457],{},"163",[380,459,460],{},"2,483",[462,463,465],"h3",{"id":464},"grout-joint-guide","Grout joint guide",[353,467,468,481],{},[356,469,470],{},[359,471,472,475,478],{},[362,473,474],{},"Joint",[362,476,477],{},"Typical use",[362,479,480],{},"Grout",[375,482,483,494,505,516,526],{},[359,484,485,488,491],{},[380,486,487],{},"1\u002F16 in",[380,489,490],{},"Rectified porcelain, glass mosaics",[380,492,493],{},"Unsanded",[359,495,496,499,502],{},[380,497,498],{},"1\u002F8 in",[380,500,501],{},"Most wall tile and rectified floor tile",[380,503,504],{},"Sanded or unsanded",[359,506,507,510,513],{},[380,508,509],{},"3\u002F16 in",[380,511,512],{},"Most floor tile",[380,514,515],{},"Sanded",[359,517,518,521,524],{},[380,519,520],{},"1\u002F4 in",[380,522,523],{},"Handmade, rustic or uneven tile",[380,525,515],{},[359,527,528,531,534],{},[380,529,530],{},"3\u002F8 in",[380,532,533],{},"Saltillo, stone, wide-joint looks",[380,535,515],{},[302,537,539],{"id":538},"example-a-bathroom-floor-in-12-24-tile","Example: a bathroom floor in 12 × 24 tile",[307,541,542],{},"The bathroom is 7 ½ × 9 feet, but a 2 ½ × 5-foot tub takes up one end. The tile is 12 × 24 × 3\u002F8 inches, laid straight with 1\u002F8-inch joints, and a box covers 15.5 square feet.",[544,545,546,551,557,566,574],"ol",{},[314,547,548,550],{},[317,549,319],{}," 7.5 × 9 = 67.5 square feet, less 2.5 × 5 = 12.5 for the tub, leaves 55 square feet.",[314,552,553,556],{},[317,554,555],{},"Footprint:"," 12.125 × 24.125 ÷ 144 = 2.03 square feet per tile.",[314,558,559,561,562,565],{},[317,560,331],{}," 55 ÷ 2.03 = 27.1 tiles; with 10% extra, 29.8, so ",[317,563,564],{},"30 tiles",".",[314,567,568,570,571,565],{},[317,569,337],{}," 55 × 1.1 = 60.5 square feet ÷ 15.5 = 3.9, so ",[317,572,573],{},"4 boxes",[314,575,576,578],{},[317,577,343],{}," about 3.2 pounds of sanded grout, so a 10-pound bag or a small box is plenty.",[302,580,582],{"id":581},"tips","Tips",[311,584,585,591,597,603,609],{},[314,586,587,590],{},[317,588,589],{},"Start from the center."," Snap chalk lines through the middle of the room and dry-lay a row each way, so the cut tiles at the walls are even and not thin slivers.",[314,592,593,596],{},[317,594,595],{},"Check tiles from every box."," Shuffle tiles from several boxes as you lay them to blend small color differences.",[314,598,599,602],{},[317,600,601],{},"Use the right trowel."," Large tiles need a bigger notch and back-buttering for full coverage; the thinset bag lists the trowel for each tile size.",[314,604,605,608],{},[317,606,607],{},"Leave the joint at walls."," Leave a ¼-inch gap at walls and fixtures for movement, hidden later by baseboard or caulk.",[314,610,611,614],{},[317,612,613],{},"Count the trim."," Bullnose, edge trim and cove base are sold by the piece or linear foot, so measure them separately.",{"title":616,"searchDepth":61,"depth":61,"links":617},"",[618,619,622,623],{"id":304,"depth":61,"text":305},{"id":347,"depth":61,"text":348,"children":620},[621],{"id":464,"depth":82,"text":465},{"id":538,"depth":61,"text":539},{"id":581,"depth":61,"text":582},"TileCalculator","Find how many tiles and boxes you need for a floor, wall or backsplash, with grout joints, extra for cuts and a sanded grout estimate, for any tile size.","md",[628,631,634,637,640,643],{"q":629,"a":630},"How many tiles do I need for 100 square feet?","With 1\u002F8-inch grout joints, 100 square feet takes about 98 tiles of 12 × 12 inches, 49 of 12 × 24 inches or 25 of 24 × 24 inches. Add 10% for cuts on a straight layout, which makes 108, 55 and 28 tiles. Small tiles add up fast; 100 square feet of 3 × 6 subway tile is about 752 tiles before waste.",{"q":632,"a":633},"How much extra tile should I buy?","About 10% for a straight or offset layout, and 15% or more for diagonal, herringbone or a room with many corners. Buy the extra from the same lot at the same time, because colors can vary between production runs, and keep a few spare tiles for future repairs.",{"q":635,"a":636},"How do I calculate tiles per square foot?","Divide 144 by the tile's width plus the joint times its length plus the joint, all in inches. A 12 × 24-inch tile with 1\u002F8-inch joints covers 12.125 × 24.125 = 292.5 square inches, so 144 ÷ 292.5 = 0.49 tiles per square foot.",{"q":638,"a":639},"How much grout do I need?","It depends on the tile size, joint width and tile thickness. Using a leading brand's coverage chart, a 25-pound bag of sanded grout fills about 350 square feet of 12 × 12 × 3\u002F8-inch tile with 1\u002F8-inch joints, but only about 120 square feet with 3\u002F8-inch joints. The calculator works it out and adds 10%; check the bag's own chart.",{"q":641,"a":642},"How many boxes of tile do I need?","Divide the area including waste by the square feet each box covers, printed on the box, and round up. 120 square feet plus 10% is 132 square feet; with boxes of 16 square feet that is 8.25, so buy 9 boxes.",{"q":644,"a":645},"What size grout joint should I use?","1\u002F16 to 1\u002F8 inch for rectified tile with straight, precise edges, 1\u002F8 to 3\u002F16 inch for most floor and wall tile, and 1\u002F4 inch or more for handmade or rustic tile with uneven edges. Sanded grout is for joints of 1\u002F8 inch and wider; narrower joints take unsanded grout. Follow the tile maker's minimum.","tile calculator",{},true,[650,651,652,653],"plywood-calculator","fraction-to-decimal-chart","how-to-read-a-tape-measure","sand-calculator",{"title":291,"description":625},"Tile Calculator – How Many Tiles, Boxes & Grout","2026-10-21","p3gvK7LgxXApdEVKTycwYRi3kawu2GsNhHa-xYGjzvw",1792531289664]