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Wiki Shopping

Home & Kitchen Specs Explained

Plain explanations of home & kitchen specs on Wiki Shopping, such as sizes and ratings, and what each one changes when you choose a product.

Bar chart of dehumidifiers on Wiki Shopping by stated pints per day. 50 to 99 pints is the largest group with 26 dehumidifiers, followed by 150 pints or more with 23, under 50 pints with 17 and 100 to 149 pints with 17.

Dehumidifier Sizes: What Pint Rating You Need

Dehumidifier size is pints of water removed per day; ENERGY STAR suggests 20 to 50 pints for a room under 2,000 square feet, and ratings since 2020 run lower.

Bar chart of household fans on Wiki Shopping by type. Personal fans are the largest group with 47 fans, followed by table fans with 14.

Fan Types: Tower vs Pedestal vs Box Fans

Pedestal fans push strong, aimable air for big rooms, tower fans give an even breeze in less space, and the EPA uses plain box fans in DIY air cleaners.

Bar chart of typical blade length by kitchen knife type as given by Tasting Table. A paring knife is about 3 inches, a nakiri about 6, a santoku 6 to 7, a chef's knife 8 to 10, and a carving knife up to 14 inches.

Kitchen Knife Types and What Each Is For

A chef's knife does most cutting, a paring knife small work and a bread knife saws crusts; boning, fillet, carving and cleaver blades suit meat and fish.

Bar chart of Murphy beds on Wiki Shopping by mattress size. Queen is the largest group with 28 beds, followed by full with 14 and twin with 8.

Murphy Bed Sizes and Wall Space, Explained

A vertical queen Murphy bed needs a wall about 64 to 68 inches wide and 87 to 89 inches tall, and opens about 85 to 87 inches into the room.

Bar chart of room air conditioner capacity by room size from Energy Star. 150 to 250 square feet needs 6,000 BTU per hour, 450 to 550 needs 12,000, and 1,000 to 1,200 needs 21,000.

Air Conditioner BTU: What Size AC You Need

A room air conditioner is sized in BTUs per hour to the floor area it cools; Energy Star's chart runs from 5,000 BTU for 100 square feet to 34,000 for 2,500.

Bar chart of minimum air purifier CADR by room size from the EPA. 100 square feet needs 65 cfm, 300 needs 195 and 600 needs 390.

Air Purifier Sizing: CADR and True HEPA, Explained

Match an air purifier to your room by its CADR, at least two thirds of the room's square feet on the EPA's chart; true HEPA filters are defined at 0.3 microns.

Bar chart of the 1,238 bed frames on Wiki Shopping by mattress size. Queen is the largest group with 296 frames, followed by twin with 248 and king with 234.

Bed Sizes Chart, From Twin to California King

A bed frame is sold by the mattress size it holds, from twin at 38 by 75 inches to California king at 72 by 84; queen is the most common size we list.

Bar chart of comforter widths by bed size, from 66 to 68 inches for a twin to 90 to 110 inches for a California king.

Comforter Fill, Warmth and Sizes, Explained

Fill power measures how much space an ounce of down fills, so a higher number means more loft for the weight; comforter sizes run wider than their mattress.

Bar chart of oven safe limits in one maker's care guide. Stainless steel is rated to 600 degrees F, PTFE nonstick to 500 degrees F and ceramic nonstick to 450 degrees F.

Cookware Materials, Explained

Stainless steel lasts for years and browns food well but sticks, nonstick releases food easily but wears out, and tri-ply is steel bonded around aluminum.

Bar chart of desks on Wiki Shopping by feature. Standing or height adjustable is the largest group with 172 desks, followed by gaming desks with 149 and desks on wheels with 123.

Desk Height and Size, Explained

The right desk height puts your keyboard just below your seated elbow; desk widths on our lists cluster at 47, 55 and 63 inches, and 172 desks adjust to stand.

Bar chart of mattress widths by bed size, from 38 inches for a twin to 76 inches for a king, the starting point for choosing a duvet and cover.

Duvet Cover Sizes and Fit, Explained

Buy the duvet insert for your mattress size and the cover to match the insert; go up one size for a tall mattress or more overhang.

Bar chart of massage chairs on Wiki Shopping by feature. Full body is the largest group with 63 chairs, followed by zero gravity with 58 and heat with 46.

Massage Chair Features, Explained

2D, 3D and 4D are makers' own labels for how the rollers move, with no shared standard; compare track type, zero gravity, heat and foot massage instead.

Bar chart of the 392 mattresses on Wiki Shopping that state a thickness. 11 to 12 inches is the largest group with 119 mattresses, followed by 8 to 10 inches with 109 and 13 inches and up with 105.

Mattress Types and Thickness, Explained

Memory foam hugs the body and isolates motion, hybrids add coils for bounce and airflow, and most mattresses last 6 to 8 years at 10 to 12 inches thick.

Bar chart of pillows on Wiki Shopping by fill. Memory foam is the largest group with 170 pillows, followed by down alternative with 62, down and feather with 61 and shredded foam with 29.

Pillow Fill and Loft, Explained

Loft is a pillow's height; side sleepers usually need 3 to 5 inches or more, stomach sleepers under 3, and the fill decides how well that height holds.

Bar chart of rugs on Wiki Shopping by size. The 2x6 ft runner size is the largest group with 85 rugs; among room sizes, 6x9 ft leads with 48 and 8x10 ft has 42.

Rug Sizes Guide, From 5x7 to 9x12

Pick a rug by the furniture it has to hold, not by the room alone; an 8x10 suits a living room of about 11 by 13 feet, while a 5x7 fits under a coffee table.

Bar chart of sheets and pillowcases on Wiki Shopping by type. Pillowcases are the largest group with 58 listings, then sheet and pillowcase sets with 44 and fitted sheets with 9.

Sheet Thread Count, Percale vs Sateen, and Sizes

Thread count is the number of threads in one square inch of fabric, counted both ways; the weave, percale or sateen, changes the feel more than the count.

Bar chart of the 349 sofas on Wiki Shopping that state a width. 70 to 89 inches is the largest group with 102 sofas, followed by under 70 inches with 94.

Sofa Sizes and Depth, Explained

A three-seat sofa usually runs about 79 to 87 inches wide and 33 to 37 inches deep; loveseats on our lists are mostly under 70 inches.

Bar chart of vacuums on Wiki Shopping by type. Wet-dry is the largest group with 256 vacuums, then robot with 231, car with 178 and stick with 158.

Vacuum Types Explained, Cordless vs Corded

Upright, canister, stick, handheld, robot and wet-dry vacuums suit different homes; air watts measure suction, and cordless trades runtime for reach.

Bar chart of the 821 artificial Christmas trees on Wiki Shopping by height. 7 to 7.5 feet is the largest group with 183 trees, followed by 6 to 6.5 feet with 178.

What Size Christmas Tree Do You Need?

Measure floor to ceiling and leave at least a foot for the stand and topper; 7 to 7.5 feet is the most common artificial tree height we list.

Bar chart of the 203 coffee tables on Wiki Shopping that state a length. 30 to 39 inches is the largest group with 97 tables, followed by 40 to 47 inches with 50.

What Size Coffee Table Do You Need?

A common rule makes a coffee table about two thirds as long as the sofa, set 16 to 18 inches from the seat; most tables on our lists are 30 to 39 inches long.

Bar chart of the 691 office and gaming chairs on Wiki Shopping that state a weight limit. 300 to 349 lb is the largest group with 271 chairs, followed by 250 to 299 lb with 124.

What Size Office Chair Do You Need?

A chair fits when your feet rest flat, the seat clears your knees and the weight limit covers you; 300 to 349 lb is the most common range we list.

Bar chart of the 280 mattresses on Wiki Shopping by stated firmness. Medium Firm is the largest group with 52 mattresses, followed by Medium with 50 and Firm with 43.

Mattress Firmness Labels, Explained

Soft, medium, medium firm and firm are each maker's own labels for how much a mattress gives; medium firm is the most common label we list.

Bar chart of the 164 robot vacuums on Wiki Shopping by stated suction. 15,000 to 29,999 Pa is the largest stated group with 37 robots; 84 do not state suction.

Robot Vacuum Suction (Pa), Explained

Robot vacuum suction is a maker's pressure figure in pascals; about half of the robot vacuums we list state one, most often 15,000 to 29,999 Pa.