Calculators
78 الأدوات
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أدوات الطابع الزمني 6
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Current Unix الوقتLive clock showing Unix time in seconds and milliseconds.محوّل الطابع الزمني to التاريخTurn a timestamp (s/ms/µs) into a formatted date instantly.محوّل التاريخ to الطابع الزمنيConvert a calendar date & time into Unix epoch seconds.محوّل MillisecondsConvert milliseconds to seconds, minutes, hours and days.حاسبة الوقت DifferenceDistance between two timestamps or dates in every unit.
أدوات التاريخ والوقت 7
محوّل التاريخ FormatRender any date in ISO, RFC, locale and custom formats.Days Between التواريخCount days (and weeks/months) between two calendar dates.حاسبة التاريخ Add SubtractAdd or subtract days, weeks, months from a date.محوّل الشبكة الفرعيةCompare times across world timezones instantly.فاحص الأسبوع YearCheck whether a year is a leap year and why.حاسبة السنة الكبيسةExact age in years, months, days, hours and total days.
أدوات الأرقام 11
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محوّل العشري النسبة المئوية الست عشري LiveEdit hex, dec, oct and bin simultaneously — all stay in sync.محوّل Roman NumeralConvert between Roman numerals and Arabic numbers.محوّل الرقم to WordsSpell out numbers in English words (cheques, captions).حاسبة العشوائيPercent of, increase/decrease and ratio problems.مولّد العمر الرقمCryptographically random integers in any range.منسّق الرقمThousands separators and fixed decimals for any locale.حاسبة المضروبExact big-integer factorials.حاسبة GCD & LCMGreatest common divisor and least common multiple of a list.فاحص الأعداد الأولية الرقمTest primality and show the smallest factor.الثنائي النص FormatAdds Unicode combining characters to change formatting of plaintext.
أدوات UUID 6
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محوّلات الوحدات 22
محوّل الطولConvert metres, kilometres, centimetres, inches, feet, yards, miles and nautical miles.محوّل الوزنConvert kilograms, grams, tonnes, pounds, ounces, stones and carats.محوّل درجة الحرارةConvert Celsius, Fahrenheit, Kelvin and Rankine with the formulas shown.محوّل الحجمConvert litres, millilitres, US and imperial gallons, cups, pints, quarts and fluid ounces.محوّل السرعةConvert km/h, mph, metres per second, knots, feet per second and Mach number.محوّل المساحةConvert square metres, hectares, acres, square feet, square inches and square miles.
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محوّل الضغطConvert pascbar, psi, atm, torr, mmHg, kgf/cm² and inches of mercury.محوّل الطاقةConvert joules, kilowatt-hours, calories, kilocalories, BTU, electronvolts and tonnes of oil equivalent.محوّل القدرةConvert watts, kilowatts, mechanical and metric horsepower, BTU/h and kcal/h.محوّل الزاويةConvert degrees, radians, gradians, arcminutes, arcseconds and turns.محوّل الوقت المدةConvert nanoseconds to centuries: seconds, minutes, hours, days, weeks, months and years.محوّل البيانات التخزينConvert bits, bytes and SI versus IEC multiples — kB, MB, GB, KiB, MiB, GiB, TiB.محوّل Typography UnitConvert CSS px, pt, pc, mm, cm, in, Q and didot/cicero at the standard 96 dpi reference.محوّل نهاية السطرConvert hertz, kilohertz, megahertz, gigahertz, RPM and radians per second.محوّل البيانات RateConvert bandwidth between bit/s, kbit/s, Mbit/s, Gbit/s and byte-per-second units including IEC multiples.محوّل ForceConvert newtons, kilonewtons, dynes, kilogram-force, pound-force, ounce-force, poundals and kips.محوّل TorqueConvert newton-metres, kgf·m, kgf·cm, lbf·ft, lbf·in, ozf·in and dyne-centimetres.محوّل DensityConvert kg/m³, g/cm³, g/mL, lb/ft³, lb/in³ and tonnes per cubic metre.محوّل Radiation DoseConvert gray, rad, sievert and rem including milli and micro prefixes.محوّل ViscosityConvert dynamic viscosity between Pa·s, mPa·s, centipoise, poise and lbf·s/ft².محوّل LuminanceConvert cd/m², nits, lamberts, foot-lamberts, stilbs and cd/cm².محوّل IlluminanceConvert lux, kilolux, phot, foot-candles and lumens per square foot.
الرياضيات والإحصاء 14
حاسبة الإحصاءMean, median, mode, range, variance, standard deviation, standard error, quartiles and IQR from a list of numbers.حاسبة المئينCompute any percentile of a data set with linear interpolation, plus all deciles.حاسبة الارتباطPearson and Spearman correlation, r², and the least-squares regression line for paired data.حاسبة التوافيقC(n,r) with exact BigInt arithmetic and a list of the actual combinations for small inputs.حاسبة التباديلP(n,r) ordered arrangements computed exactly with BigInt — no floating point rounding.حاسبة الأعداد الأولية FactorizationBreak any integer into prime factors and list every divisor with the divisor count.
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فاحص الأعداد الأولية الرقمTest whether a number is prime and, if not, show its smallest divisors and divisor count.Primes Up To NList every prime number up to a limit, with the count.حاسبة Math المسافةEvaluate arithmetic expressions with correct precedence, powers, factorials, functions and constants.حاسبة الكسورSimplify fractions, convert decimals to exact fractions and add, subtract, multiply or divide them.النسبة المئوية to الكسورConvert any decimal to its exact simplest fraction using continued-fraction search with a tolerance.Add and Subtract FractionsAdd, subtract, multiply or divide fractions with the common denominator and GCD reduction shown.Rotate leftRotates each byte to the left by the number of bits specified, optionally carrying the excess bits over to the next byte. Currently only supports 8-bit values.Rotate rightRotates each byte to the right by the number of bits specified, optionally carrying the excess bits over to the next byte. Currently only supports 8-bit values.
المدققات والمجاميع الاختبارية 12
مدقق Card الرقمValidate a card or IMEI with the Luhn algorithm, detect the brand and derive the missing check digit.مدقق ISBNCheck ISBN-10 and ISBN-13 check digits and compute the correct one for a truncated ISBN.مدقق Barcode Check DigitValidate EAN-8, EAN-13, UPC-A and ITF-14 barcodes and see the weighted sum step by step.مدقق IBANValidate an IBAN with MOD-97, check the national length and show the rearranged calculation.مدقق SWIFT BICCheck an ISO 9362 BIC and split it into institution, country, location and branch codes.فاحص VINValidate a 17-character vehicle VIN check digit and decode region, year and plant positions.
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مدقق Mod-11 Check DigitValidate ISSN, ISMN, ORCID and other mod-11 identifiers, with the weighted sum shown.مدقق LEIValidate an ISO 17442 Legal Entity Identifier with the ISO 7064 MOD 97-10 scheme.مدقق Verhoeff CheckApply the Verhoeff dihedral-group checksum that catches all single-digit and all transposition errors.مدقق Damm CheckRun the Damm quasigroup checksum, which detects every single-digit error and adjacent transposition.محوّل Latitude LongitudeConvert between decimal degrees and degrees-minutes-seconds, with hemisphere and UTM zone hints.Caret M-decodeDecodes caret or M-encoded strings, i.e. ^M turns into a newline, M-^] turns into 0x9d. Sources such as `cat -v`. Please be aware that when using `cat -v` ^_ (caret-underscore) will not be encoded, but represents a valid encoding (namely th