[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tool-content:en:aspect-ratio-calculator":3,"glossary:en":56,"published-tools-en":105},{"id":4,"documentId":5,"slug":6,"intro":7,"howTo":8,"longContent":9,"createdAt":10,"updatedAt":11,"publishedAt":12,"locale":13,"name":14,"faq":15,"examples":40,"category":41,"seo":50,"localizations":55,"metaTitle":52,"metaDescription":53},310,"yq48t16xd38lxl4lvinef7y5","aspect-ratio-calculator","\u003Cp>A 1920x1080 frame reduces to \u003Cstrong>16:9\u003C\u002Fstrong> because 1920 and 1080 share a greatest common divisor of 120. This \u003Cstrong>aspect ratio calculator\u003C\u002Fstrong> brings any width and height down to lowest terms, names the standard format when the reduced pair matches one, then fills in the missing side of a resize. Sizes with no standard name, such as 1280x1024 at \u003Cstrong>5:4\u003C\u002Fstrong>, come back in the form they reduce to.\u003C\u002Fp>","\u003Col>\u003Cli>Enter the source width and height. The defaults, 1920 and 1080, reduce to 16:9 as soon as the fields change.\u003C\u002Fli>\u003Cli>Pick the side to solve for. Leave it on height to enter a new width; switch to width to enter a new height instead.\u003C\u002Fli>\u003Cli>Enter the target dimension. A 16:9 source at a target width of 1280 returns a height of 720.\u003C\u002Fli>\u003Cli>Read the rounded pixel value when the result falls between two integers. A 1366x768 source at 1000 pixels wide gives 562.2255, which rounds to 562.\u003C\u002Fli>\u003C\u002Fol>","\u003Ch2 id=\"calculate\">How do you calculate aspect ratio from a width and a height?\u003C\u002Fh2>\u003Cp>Take a 1920x1080 frame: the largest number that divides both sides is \u003Cstrong>120\u003C\u002Fstrong>, so the pair comes down to \u003Cstrong>16:9\u003C\u002Fstrong>. Those two small integers are the aspect ratio. The decimal beside them, \u003Cstrong>1.7778\u003C\u002Fstrong>, is the width divided by the height. The same reduction runs on every pair of dimensions, so a 3840x2160 frame lands on 16:9 too.\u003C\u002Fp>\u003Cp>A 1280x1024 monitor reduces to \u003Cstrong>5:4\u003C\u002Fstrong>, a real ratio that no manufacturer prints on a box. The calculator returns 5:4 and leaves the format name blank rather than nudging the answer toward the nearest famous number. By hand, that reduction is the same move as taking any \u003Ca href=\"\u002Fmath\u002Fratio-calculator\">ratio\u003C\u002Fa> down to lowest terms. The number doing the work is the \u003Ca href=\"\u002Fmath\u002Fgcf-calculator\">greatest common factor\u003C\u002Fa> of the two sides, \u003Cstrong>256\u003C\u002Fstrong> in the case of 1280x1024. Halved to 640 pixels wide, that monitor comes back 512 high, still 5:4.\u003C\u002Fp>\u003Ch2 id=\"standards\">Which aspect ratios count as standard?\u003C\u002Fh2>\u003Cp>Six named formats cover most screens and cameras in circulation. The calculator stores each one in reduced form before it compares anything, so a size matches on its arithmetic rather than on the name printed in a spec sheet.\u003C\u002Fp>\u003Ctable>\u003Cthead>\u003Ctr>\u003Cth scope=\"col\">Name\u003C\u002Fth>\u003Cth scope=\"col\">Reduced form\u003C\u002Fth>\u003Cth scope=\"col\">Decimal\u003C\u002Fth>\u003Cth scope=\"col\">Where it shows up\u003C\u002Fth>\u003C\u002Ftr>\u003C\u002Fthead>\u003Ctbody>\u003Ctr>\u003Cth scope=\"row\">16:9\u003C\u002Fth>\u003Ctd>16:9\u003C\u002Ftd>\u003Ctd>1.7778\u003C\u002Ftd>\u003Ctd>1920x1080 video, 3840x2160 panels\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Cth scope=\"row\">4:3\u003C\u002Fth>\u003Ctd>4:3\u003C\u002Ftd>\u003Ctd>1.3333\u003C\u002Ftd>\u003Ctd>1024x768, older monitors and slides\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Cth scope=\"row\">21:9\u003C\u002Fth>\u003Ctd>7:3\u003C\u002Ftd>\u003Ctd>2.3333\u003C\u002Ftd>\u003Ctd>ultrawide monitors, sold under this name\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Cth scope=\"row\">1:1\u003C\u002Fth>\u003Ctd>1:1\u003C\u002Ftd>\u003Ctd>1\u003C\u002Ftd>\u003Ctd>1080x1080 square social posts\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Cth scope=\"row\">3:2\u003C\u002Fth>\u003Ctd>3:2\u003C\u002Ftd>\u003Ctd>1.5\u003C\u002Ftd>\u003Ctd>3000x2000 camera frames, prints\u003C\u002Ftd>\u003C\u002Ftr>\u003Ctr>\u003Cth scope=\"row\">9:16\u003C\u002Fth>\u003Ctd>9:16\u003C\u002Ftd>\u003Ctd>0.5625\u003C\u002Ftd>\u003Ctd>1080x1920 vertical video\u003C\u002Ftd>\u003C\u002Ftr>\u003C\u002Ftbody>\u003C\u002Ftable>\u003Cp>The decimal column sorts out any size that sits between two rows. Anything above 1.7778 is wider than 16:9 while anything below 1.3333 is squarer than 4:3. A decimal under 1 means the frame is taller than it is wide, which is why the tool calls 1080x1920 portrait.\u003C\u002Fp>\u003Ch2 id=\"ultrawide\">Why does a 21:9 monitor come back as 64:27?\u003C\u002Fh2>\u003Cp>21:9 is a marketing label rather than a reduced ratio, since 21 and 9 both divide by 3. In lowest terms the format is \u003Cstrong>7:3\u003C\u002Fstrong>, which is the form the calculator matches against. A 2100x900 frame reduces to exactly 7:3, so the name 21:9 comes back with it.\u003C\u002Fp>\u003Cp>Real ultrawide screens miss that mark. A 2560x1080 screen reduces to \u003Cstrong>64:27\u003C\u002Fstrong> and a 3440x1440 screen to \u003Cstrong>43:18\u003C\u002Fstrong>. Those two sit 1.6% and 2.4% away from a true 7:3, inside a \u003Cstrong>2.5% tolerance\u003C\u002Fstrong>, so the calculator tags each one as close to 21:9 in a separate field while the printed ratio stays 64:27 or 43:18.\u003C\u002Fp>\u003Cp>That tolerance stays narrow on purpose. The gap between 5:4 and 4:3 measures \u003Cstrong>6.25%\u003C\u002Fstrong>, wide enough to keep a 1280x1024 monitor out of the 4:3 row. The approximate name goes in its own field and the reduced form stays untouched.\u003C\u002Fp>\u003Ch2 id=\"resize\">How do you resize an image without distorting it?\u003C\u002Fh2>\u003Cp>Multiply the new width by the original height then divide by the original width. A 1920x1080 image asked for a width of 1280 comes back at a height of \u003Cstrong>720\u003C\u002Fstrong>. Platforms fix one side of the frame and leave the other open, which is where a resize starts to stretch. The same step runs the other way, so a 1080x1920 portrait at a target height of 1280 returns a width of 720.\u003C\u002Fp>\u003Cp>Those same fields cover the everyday job of an \u003Cstrong>image aspect ratio calculator\u003C\u002Fstrong>, resizing a thumbnail or a banner crop without stretching faces sideways. An ultrawide capture works the same, with 2560x1080 brought down to 1920 wide landing on a height of 810.\u003C\u002Fp>\u003Cp>A 1366x768 laptop screen reduces to \u003Cstrong>683:384\u003C\u002Fstrong>, close enough for the tool to flag it near 16:9 without matching it. Scaled to 1000 pixels wide, that source needs a height of 1000 × 768 ÷ 1366 = \u003Cstrong>562.2255\u003C\u002Fstrong>, which the tool rounds to 562. The fit comes back marked inexact. Rounding shifts the ratio by less than a tenth of a percent, invisible on screen yet worth knowing when a layout demands exact pixel counts.\u003C\u002Fp>","2026-08-06T07:18:44.808Z","2026-08-11T10:00:01.881Z","2026-08-11T10:00:00.000Z","en","Aspect Ratio Calculator",[16,20,24,28,32,36],{"id":17,"question":18,"answer":19},2219,"How can I find my aspect ratio?","\u003Cp>Read the pixel dimensions first, from the file properties of an image or from the display settings of a monitor. Feed those two numbers into the width and height fields and the reduced ratio appears, along with the standard name when one matches. A 1920x1080 desktop reports \u003Cstrong>16:9\u003C\u002Fstrong>, while a 1280x1024 monitor reports \u003Cstrong>5:4\u003C\u002Fstrong> with no name attached to it.\u003C\u002Fp>",{"id":21,"question":22,"answer":23},2220,"How do I calculate aspect ratio?","\u003Cp>Divide the width and the height by their greatest common divisor. For 1920x1080 that divisor is \u003Cstrong>120\u003C\u002Fstrong>, which leaves \u003Cstrong>16:9\u003C\u002Fstrong>. The decimal form is quicker for a rough check, since 1920 ÷ 1080 = \u003Cstrong>1.7778\u003C\u002Fstrong> and any 16:9 frame returns that same value. Two dimensions sharing no factor beyond 1 stay as they are, so 1367x769 reduces to 1367:769.\u003C\u002Fp>",{"id":25,"question":26,"answer":27},2222,"What is the aspect ratio of 1920x1080?","\u003Cp>\u003Cstrong>16:9\u003C\u002Fstrong>, since 120 divides both 1920 and 1080. In decimal terms the frame is \u003Cstrong>1.7778\u003C\u002Fstrong> times wider than it is tall. Every step down the same ladder keeps that ratio, which covers \u003Cstrong>1280x720\u003C\u002Fstrong>, 1600x900 and 3840x2160.\u003C\u002Fp>",{"id":29,"question":30,"answer":31},2223,"What aspect ratio is 680x240?","\u003Cp>\u003Cstrong>17:6\u003C\u002Fstrong>. The greatest common divisor of 680 and 240 is \u003Cstrong>40\u003C\u002Fstrong>, so the pair reduces to 17 by 6 with a decimal of \u003Cstrong>2.8333\u003C\u002Fstrong>. No standard format sits at that shape. It also falls outside the 2.5% window around 21:9, so the tool offers no approximate name either. Scaled up to 1360 pixels wide, the matching height is \u003Cstrong>480\u003C\u002Fstrong>.\u003C\u002Fp>",{"id":33,"question":34,"answer":35},2225,"How do I resize an image and keep the same aspect ratio?","\u003Cp>Set the original width and height, choose the side to solve for, then enter the new value on the known side. A 1920x1080 image dropped to 1280 wide needs a height of \u003Cstrong>720\u003C\u002Fstrong>. When the arithmetic misses a whole pixel, as with a 1366x768 source scaled to 1000 wide, the answer comes back as \u003Cstrong>562.2255\u003C\u002Fstrong> with the rounded value 562 beside it.\u003C\u002Fp>",{"id":37,"question":38,"answer":39},2227,"Why does a 21:9 ratio show as 7:3?","\u003Cp>The two numbers share a factor of 3, so \u003Cstrong>21:9\u003C\u002Fstrong> is not itself a reduced ratio. The lowest-terms form is \u003Cstrong>7:3\u003C\u002Fstrong>. That reduced pair is what the calculator matches against, then it prints the familiar name beside the result. Real panels sold under that name miss the mark, since 2560x1080 reduces to \u003Cstrong>64:27\u003C\u002Fstrong> and 3440x1440 to \u003Cstrong>43:18\u003C\u002Fstrong>, which the tool flags as close to 21:9 inside a 2.5% tolerance.\u003C\u002Fp>",[],{"id":42,"documentId":43,"uid":44,"name":45,"tagline":46,"hubContent":47,"createdAt":48,"updatedAt":48,"publishedAt":49,"locale":13},15,"s8cujbpmiszotf6zdbotc2p0","math","Math","Calculators for school, work and everyday numbers","\u003Cp>Every calculator in this category computes live as you type and shows the formula behind the result. Grades, percentages, fractions, ratios or volumes: you see the answer and the reasoning, so you can trust the number you copy. Each tool also documents its edge cases, because a calculator you cannot verify is just a guess with confidence.\u003C\u002Fp>","2026-07-17T11:46:54.883Z","2026-07-17T12:01:48.544Z",{"id":51,"metaTitle":52,"metaDescription":53,"keywords":54,"metaRobots":54,"structuredData":54,"metaViewport":54,"canonicalURL":54},539,"Aspect Ratio Calculator: Reduce, Name and Resize","Free aspect ratio calculator. Reduces any width and height to lowest terms, names the standard format and fills in the missing side of a resize.",null,[],[57,69,81,93],{"id":58,"documentId":59,"slug":60,"term":61,"definition":62,"relatedTools":63,"createdAt":66,"updatedAt":67,"publishedAt":68,"locale":13},17,"o1ljpluv6app6z9rrhst4gfn","cubic-yard","Cubic yard","\u003Cp>A \u003Cstrong>cubic yard\u003C\u002Fstrong> is the volume of a cube measuring 3 x 3 x 3 feet, which equals 27 cubic feet or about \u003Cstrong>0.7646 m³\u003C\u002Fstrong>. It is the standard unit for ordering bulk materials in the United States: ready-mix concrete, topsoil, gravel, sand and mulch are all priced and delivered by the cubic yard, often shortened to \"yard\" on a quote.\u003C\u002Fp>\u003Cp>For scale, a typical 12 x 10 ft patio slab poured 4 inches thick contains 40 cubic feet, which is 40 \u002F 27 = 1.48 cubic yards of concrete. A standard ready-mix truck carries 8 to 10 cubic yards, so that whole slab uses less than a fifth of one load.\u003C\u002Fp>\u003Cp>How big is a cubic yard in practice? The cube stands 3 feet on each side, roughly counter height, and holds about 14 full wheelbarrow loads of material. Spread out, one cubic yard covers close to 100 square feet at a depth of 3 inches, the usual layer for mulch or a gravel path.\u003C\u002Fp>",[64,65],"math\u002Fconcrete-calculator","math\u002Fvolume-calculator","2026-07-18T14:23:56.812Z","2026-08-02T10:00:01.228Z","2026-08-02T10:00:00.000Z",{"id":70,"documentId":71,"slug":72,"term":73,"definition":74,"relatedTools":75,"createdAt":78,"updatedAt":79,"publishedAt":80,"locale":13},16,"mdw0ypy9f3z1nioxaxnl9rvr","password-entropy","Entropy (passwords)","\u003Cp>\u003Cstrong>Entropy\u003C\u002Fstrong> measures how unpredictable a password is, expressed in bits. Each additional bit doubles the number of guesses an attacker needs. For a randomly generated password, it follows a simple formula: entropy = length × log2 of the alphabet size, so both the length and the variety of characters raise the score.\u003C\u002Fp>\u003Cp>A random 16-character password drawn from the 94 printable ASCII symbols reaches 16 × log2(94), about \u003Cstrong>105 bits\u003C\u002Fstrong>. At 10 billion guesses per second, exhausting that space would take on the order of 10^14 years, while a 6-character password from the same alphabet peaks at 39 bits and falls in about a minute.\u003C\u002Fp>\u003Cp>Written as a formula, \u003Cstrong>E = L × log2(N)\u003C\u002Fstrong>: the entropy equals the length L multiplied by the base-2 logarithm of N, the number of possible symbols per character. Current guidance treats 75 to 80 bits as the comfortable minimum for accounts that matter, a level a random 12-character password mixing all character types already clears.\u003C\u002Fp>",[76,77],"generator\u002Fpassword-generator","generator\u002Fusername-generator","2026-07-18T14:23:55.755Z","2026-08-01T10:00:01.360Z","2026-08-01T10:00:00.000Z",{"id":42,"documentId":82,"slug":83,"term":84,"definition":85,"relatedTools":86,"createdAt":90,"updatedAt":91,"publishedAt":92,"locale":13},"ypkfs6wnfljm03ge2b1ztiwv","percentage-point","Percentage point","\u003Cp>A \u003Cstrong>percentage point\u003C\u002Fstrong> is the unit used to express the arithmetic difference between two percentages. It compares rates by subtraction, while \"percent\" compares them by division: the two measures answer different questions and can differ wildly for the same change.\u003C\u002Fp>\u003Cp>Example: an interest rate that moves from 5% to 7% rises by \u003Cstrong>2 percentage points\u003C\u002Fstrong> (7 - 5 = 2), but by 40 percent in relative terms (2 ÷ 5 × 100 = 40). Saying \"the rate went up 2%\" would be wrong on both counts: the correct phrasings are \"up 2 points\" or \"up 40%\".\u003C\u002Fp>\u003Cp>The standard abbreviation is \u003Cstrong>pp\u003C\u002Fstrong>, sometimes just \"points\", as in \"unemployment fell by 0.5 pp\". Confusing percent with percentage points remains the classic trap: a party moving from 20% to 30% in the polls gains 10 percentage points, yet grows by 50 percent, and headlines regularly pick the wrong figure.\u003C\u002Fp>",[87,88,89],"math\u002Fpercentage-calculator","math\u002Faverage-calculator","finance\u002Fcalcul-remise","2026-07-18T14:23:54.573Z","2026-07-31T10:00:01.940Z","2026-07-31T10:00:00.000Z",{"id":94,"documentId":95,"slug":96,"term":97,"definition":98,"relatedTools":99,"createdAt":102,"updatedAt":103,"publishedAt":104,"locale":13},14,"g3okb797ekrz0kkpm36mfjwc","weighted-average","Weighted average","\u003Cp>A \u003Cstrong>weighted average\u003C\u002Fstrong> is an average where each value counts in proportion to an assigned importance, called its weight, instead of counting equally. Each value is multiplied by its weight, the products are added, and the sum is divided by the total of the weights. Class grades, GPAs, and stock indexes are all weighted averages.\u003C\u002Fp>\u003Cp>Example: scores of 92, 85, and 88 with weights of 30, 30, and 40 give (92 x 30 + 85 x 30 + 88 x 40) \u002F 100 = \u003Cstrong>88.3\u003C\u002Fstrong>. The plain average of the same scores is 88.33, but if the heaviest score dropped to 78, the weighted average would fall to 84.3 while the plain average only fell to 85.\u003C\u002Fp>\u003Cp>The weighted average formula in plain words: multiply each value by its weight, add up the products, then divide by the sum of the weights. In a spreadsheet the whole calculation fits in one cell, since Excel's SUMPRODUCT function multiplies and adds in a single pass: SUMPRODUCT of the values and weights, divided by SUM of the weights.\u003C\u002Fp>",[88,100,101],"math\u002Fgrade-calculator","math\u002Fgpa-calculator","2026-07-18T14:23:53.329Z","2026-07-30T10:00:01.216Z","2026-07-30T10:00:00.000Z",{"slugs":106},[107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,6,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161],"age-calculator","average-calculator","cd-calculator","concrete-calculator","cursive-font-generator","date-calculator","fantasy-name-generator","final-grade-calculator","fraction-calculator","glitch-text-generator","gpa-calculator","grade-calculator","hex-converter","hours-calculator","interest-calculator","military-time-converter","roman-numeral-converter","password-generator","binary-converter","celsius-to-fahrenheit-converter","kg-to-lbs-converter","percentage-calculator","word-counter","tip-calculator","morse-code-translator","username-generator","ratio-calculator","sales-tax-calculator","small-text-generator","mm-to-inches-converter","volume-calculator","timer","square-footage-calculator","stair-calculator","roof-pitch-calculator","board-foot-calculator","rounding-calculator","random-letter-generator","mulch-calculator","fence-calculator","upside-down-text-generator","acreage-calculator","gravel-calculator","proportion-calculator","paint-calculator","tile-calculator","braille-translator","quadratic-formula-calculator","gcf-calculator","probability-calculator","hex-to-rgb-converter","uuid-generator","standard-deviation-calculator","lcm-calculator","caesar-cipher"]