Calculators
78 Инструменты
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Инструменты меток времени 6
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Current Unix времениLive clock showing Unix time in seconds and milliseconds.Конвертер меток времени to датыTurn a timestamp (s/ms/µs) into a formatted date instantly.Конвертер даты to меток времениConvert a calendar date & time into Unix epoch seconds.Конвертер MillisecondsConvert milliseconds to seconds, minutes, hours and days.Калькулятор времени DifferenceDistance between two timestamps or dates in every unit.
Инструменты даты и времени 7
Конвертер даты FormatRender any date in ISO, RFC, locale and custom formats.Days Between датCount days (and weeks/months) between two calendar dates.Калькулятор даты Add SubtractAdd or subtract days, weeks, months from a date.Конвертер доменаCompare times across world timezones instantly.Проверка часового пояса YearCheck whether a year is a leap year and why.Калькулятор неделиExact age in years, months, days, hours and total days.
Числовые инструменты 11
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Конвертер процентов случайных чисел десятичных чисел LiveEdit hex, dec, oct and bin simultaneously — all stay in sync.Конвертер Roman NumeralConvert between Roman numerals and Arabic numbers.Конвертер чисел to WordsSpell out numbers in English words (cheques, captions).Калькулятор возрастаPercent of, increase/decrease and ratio problems.Генератор високосного года чиселCryptographically random integers in any range.Форматтер чиселThousands separators and fixed decimals for any locale.Калькулятор факториалаExact big-integer factorials.Калькулятор GCD & LCMGreatest common divisor and least common multiple of a list.Проверка простых чисел чиселTest primality and show the smallest factor.шестнадцатеричного кода текста FormatAdds Unicode combining characters to change formatting of plaintext.
Инструменты UUID 6
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Генератор UUID v7Time-ordered sortable UUIDs for databases.Генератор ULID26-character lexicographically sortable unique IDs.Генератор GUIDMicrosoft-style bracketed GUIDs.Валидатор UUIDValidate a UUID/GUID and detect its version & variant.Generate all checksumsGenerates all available checksums for the input.
Конвертеры единиц 22
Конвертер длиныConvert metres, kilometres, centimetres, inches, feet, yards, miles and nautical miles.Конвертер весаConvert kilograms, grams, tonnes, pounds, ounces, stones and carats.Конвертер температурыConvert Celsius, Fahrenheit, Kelvin and Rankine with the formulas shown.Конвертер объёмаConvert litres, millilitres, US and imperial gallons, cups, pints, quarts and fluid ounces.Конвертер скоростиConvert km/h, mph, metres per second, knots, feet per second and Mach number.Конвертер площадиConvert square metres, hectares, acres, square feet, square inches and square miles.
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Конвертер давленияConvert pascbar, psi, atm, torr, mmHg, kgf/cm² and inches of mercury.Конвертер энергииConvert joules, kilowatt-hours, calories, kilocalories, BTU, electronvolts and tonnes of oil equivalent.Конвертер мощностиConvert watts, kilowatts, mechanical and metric horsepower, BTU/h and kcal/h.Конвертер угловConvert degrees, radians, gradians, arcminutes, arcseconds and turns.Конвертер времени длительностиConvert nanoseconds to centuries: seconds, minutes, hours, days, weeks, months and years.Конвертер данных хранилищаConvert bits, bytes and SI versus IEC multiples — kB, MB, GB, KiB, MiB, GiB, TiB.Конвертер Typography UnitConvert CSS px, pt, pc, mm, cm, in, Q and didot/cicero at the standard 96 dpi reference.Конвертер концов строкConvert hertz, kilohertz, megahertz, gigahertz, RPM and radians per second.Конвертер данных RateConvert bandwidth between bit/s, kbit/s, Mbit/s, Gbit/s and byte-per-second units including IEC multiples.Конвертер ForceConvert newtons, kilonewtons, dynes, kilogram-force, pound-force, ounce-force, poundals and kips.Конвертер TorqueConvert newton-metres, kgf·m, kgf·cm, lbf·ft, lbf·in, ozf·in and dyne-centimetres.Конвертер DensityConvert kg/m³, g/cm³, g/mL, lb/ft³, lb/in³ and tonnes per cubic metre.Конвертер Radiation DoseConvert gray, rad, sievert and rem including milli and micro prefixes.Конвертер ViscosityConvert dynamic viscosity between Pa·s, mPa·s, centipoise, poise and lbf·s/ft².Конвертер LuminanceConvert cd/m², nits, lamberts, foot-lamberts, stilbs and cd/cm².Конвертер IlluminanceConvert lux, kilolux, phot, foot-candles and lumens per square foot.
Математика и статистика 14
Калькулятор статистикиMean, median, mode, range, variance, standard deviation, standard error, quartiles and IQR from a list of numbers.Калькулятор перцентиляCompute any percentile of a data set with linear interpolation, plus all deciles.Калькулятор корреляцииPearson and Spearman correlation, r², and the least-squares regression line for paired data.Калькулятор сочетанийC(n,r) with exact BigInt arithmetic and a list of the actual combinations for small inputs.Калькулятор перестановокP(n,r) ordered arrangements computed exactly with BigInt — no floating point rounding.Калькулятор простых чисел FactorizationBreak any integer into prime factors and list every divisor with the divisor count.
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Проверка простых чисел чиселTest 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.Калькулятор Math частотыEvaluate arithmetic expressions with correct precedence, powers, factorials, functions and constants.Калькулятор дробейSimplify fractions, convert decimals to exact fractions and add, subtract, multiply or divide them.случайных чисел to дробейConvert 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.
Валидаторы и контрольные суммы 12
Валидатор Card чиселValidate a card or IMEI with the Luhn algorithm, detect the brand and derive the missing check digit.Валидатор ISBNCheck ISBN-10 and ISBN-13 check digits and compute the correct one for a truncated ISBN.Валидатор Barcode Check DigitValidate EAN-8, EAN-13, UPC-A and ITF-14 barcodes and see the weighted sum step by step.Валидатор IBANValidate an IBAN with MOD-97, check the national length and show the rearranged calculation.Валидатор SWIFT BICCheck an ISO 9362 BIC and split it into institution, country, location and branch codes.Проверка VINValidate a 17-character vehicle VIN check digit and decode region, year and plant positions.
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Валидатор Mod-11 Check DigitValidate ISSN, ISMN, ORCID and other mod-11 identifiers, with the weighted sum shown.Валидатор LEIValidate an ISO 17442 Legal Entity Identifier with the ISO 7064 MOD 97-10 scheme.Валидатор Verhoeff CheckApply the Verhoeff dihedral-group checksum that catches all single-digit and all transposition errors.Валидатор Damm CheckRun the Damm quasigroup checksum, which detects every single-digit error and adjacent transposition.Конвертер 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