Calculators
94 Herramientas
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Herramientas de timestamp 7
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Current Unix horaLive clock showing Unix time in seconds and milliseconds.Conversor de marca de tiempo to fechaTurn a timestamp (s/ms/µs) into a formatted date instantly.Conversor de fecha to marca de tiempoConvert a calendar date & time into Unix epoch seconds.Conversor de MillisecondsConvert milliseconds to seconds, minutes, hours and days.Calculadora de hora DifferenceDistance between two timestamps or dates in every unit.From UNIX marca de tiempoConverts a UNIX timestamp to a datetime string. e.g. 978346800 becomes Mon 1 January 2001 11:00:00 UTC A UNIX timestamp is a 32-bit value representing the number of seconds since January 1, 1970 UTC (the UNIX epoch).
Herramientas de fecha y hora 9
Conversor de fecha FormatRender any date in ISO, RFC, locale and custom formats.Days Between fechasCount days (and weeks/months) between two calendar dates.Calculadora de fecha Add SubtractAdd or subtract days, weeks, months from a date.Conversor de zona horariaCompare times across world timezones instantly.Comprobador de año bisiesto YearCheck whether a year is a leap year and why.Calculadora de edadExact age in years, months, days, hours and total days.
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Calculadora de ISO semana númerosFind the ISO-8601 week and weekday of any date.Get horaGenerates a timestamp showing the amount of time since the UNIX epoch (1970-01-01 00:00:00 UTC). Uses the W3C High Resolution Time API.Parse DateTimeParses a DateTime string in your specified format and displays it in whichever timezone you choose with the following information: Date Time Period (AM/PM) Timezone UTC offset Daylight Saving Time Leap year Days in this month Day of year We
Herramientas numéricas 13
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Conversor de hexadecimal decimal binario LiveEdit hex, dec, oct and bin simultaneously — all stay in sync.Conversor de Roman NumeralConvert between Roman numerals and Arabic numbers.Conversor de números to WordsSpell out numbers in English words (cheques, captions).Calculadora de porcentajePercent of, increase/decrease and ratio problems.Generador de aleatorios númerosCryptographically random integers in any range.Formateador de númerosThousands separators and fixed decimals for any locale.Calculadora de factorialExact big-integer factorials.Calculadora de GCD & LCMGreatest common divisor and least common multiple of a list.Comprobador de números primos númerosTest primality and show the smallest factor.Convert data unitsConverts a unit of data to another format.Convert distanceConverts a unit of distance to another format.Unicode texto FormatAdds Unicode combining characters to change formatting of plaintext.
Herramientas UUID 7
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Generador de UUID v7Time-ordered sortable UUIDs for databases.Generador de ULID26-character lexicographically sortable unique IDs.Generador de GUIDMicrosoft-style bracketed GUIDs.Validador de UUIDValidate a UUID/GUID and detect its version & variant.Generate all checksumsGenerates all available checksums for the input.Generate UUIDGenerates an RFC 9562 (formerly RFC 4122) compliant Universally Unique Identifier (UUID),
Conversores de unidades 25
Conversor de longitudConvert metres, kilometres, centimetres, inches, feet, yards, miles and nautical miles.Conversor de pesoConvert kilograms, grams, tonnes, pounds, ounces, stones and carats.Conversor de temperaturaConvert Celsius, Fahrenheit, Kelvin and Rankine with the formulas shown.Conversor de volumenConvert litres, millilitres, US and imperial gallons, cups, pints, quarts and fluid ounces.Conversor de velocidadConvert km/h, mph, metres per second, knots, feet per second and Mach number.Conversor de áreaConvert square metres, hectares, acres, square feet, square inches and square miles.
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Conversor de presiónConvert pascbar, psi, atm, torr, mmHg, kgf/cm² and inches of mercury.Conversor de energíaConvert joules, kilowatt-hours, calories, kilocalories, BTU, electronvolts and tonnes of oil equivalent.Conversor de potenciaConvert watts, kilowatts, mechanical and metric horsepower, BTU/h and kcal/h.Conversor de ánguloConvert degrees, radians, gradians, arcminutes, arcseconds and turns.Conversor de hora duraciónConvert nanoseconds to centuries: seconds, minutes, hours, days, weeks, months and years.Conversor de datos almacenamientoConvert bits, bytes and SI versus IEC multiples — kB, MB, GB, KiB, MiB, GiB, TiB.Conversor de Typography UnitConvert CSS px, pt, pc, mm, cm, in, Q and didot/cicero at the standard 96 dpi reference.Conversor de frecuenciaConvert hertz, kilohertz, megahertz, gigahertz, RPM and radians per second.Conversor de datos RateConvert bandwidth between bit/s, kbit/s, Mbit/s, Gbit/s and byte-per-second units including IEC multiples.Conversor de ForceConvert newtons, kilonewtons, dynes, kilogram-force, pound-force, ounce-force, poundals and kips.Conversor de TorqueConvert newton-metres, kgf·m, kgf·cm, lbf·ft, lbf·in, ozf·in and dyne-centimetres.Conversor de DensityConvert kg/m³, g/cm³, g/mL, lb/ft³, lb/in³ and tonnes per cubic metre.Conversor de Radiation DoseConvert gray, rad, sievert and rem including milli and micro prefixes.Conversor de ViscosityConvert dynamic viscosity between Pa·s, mPa·s, centipoise, poise and lbf·s/ft².Conversor de LuminanceConvert cd/m², nits, lamberts, foot-lamberts, stilbs and cd/cm².Conversor de IlluminanceConvert lux, kilolux, phot, foot-candles and lumens per square foot.Convert areaConverts a unit of area to another format.Convert massConverts a unit of mass to another format.Convert speedConverts a unit of speed to another format.
Matemáticas y estadística 18
Calculadora de estadísticaMean, median, mode, range, variance, standard deviation, standard error, quartiles and IQR from a list of numbers.Calculadora de percentilCompute any percentile of a data set with linear interpolation, plus all deciles.Calculadora de correlaciónPearson and Spearman correlation, r², and the least-squares regression line for paired data.Calculadora de combinacionesC(n,r) with exact BigInt arithmetic and a list of the actual combinations for small inputs.Calculadora de permutacionesP(n,r) ordered arrangements computed exactly with BigInt — no floating point rounding.Calculadora de números primos FactorizationBreak any integer into prime factors and list every divisor with the divisor count.
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Comprobador de números primos númerosTest 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.Calculadora de Math expresiónEvaluate arithmetic expressions with correct precedence, powers, factorials, functions and constants.Calculadora de fraccionesSimplify fractions, convert decimals to exact fractions and add, subtract, multiply or divide them.decimal to fraccionesConvert 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.Drop bytesCuts a slice of the specified number of bytes out of the data. Negative values are allowed.MeanComputes the mean (average) of a number list. If an item in the string is not a number it is excluded from the list. e.g. 0x0a 8 .5 .5 becomes 4.75Rotate 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.SleepSleep causes the recipe to wait for a specified number of milliseconds before continuing execution.Standard DeviationComputes the standard deviation of a number list. If an item in the string is not a number it is excluded from the list. e.g. 0x0a 8 .5 becomes 4.089281382128433
Validadores y sumas de verificación 15
Validador de Card númerosValidate a card or IMEI with the Luhn algorithm, detect the brand and derive the missing check digit.Validador de ISBNCheck ISBN-10 and ISBN-13 check digits and compute the correct one for a truncated ISBN.Validador de Barcode Check DigitValidate EAN-8, EAN-13, UPC-A and ITF-14 barcodes and see the weighted sum step by step.Validador de IBANValidate an IBAN with MOD-97, check the national length and show the rearranged calculation.Validador de SWIFT BICCheck an ISO 9362 BIC and split it into institution, country, location and branch codes.Comprobador de VINValidate a 17-character vehicle VIN check digit and decode region, year and plant positions.
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Validador de Mod-11 Check DigitValidate ISSN, ISMN, ORCID and other mod-11 identifiers, with the weighted sum shown.Validador de LEIValidate an ISO 17442 Legal Entity Identifier with the ISO 7064 MOD 97-10 scheme.Validador de Verhoeff CheckApply the Verhoeff dihedral-group checksum that catches all single-digit and all transposition errors.Validador de Damm CheckRun the Damm quasigroup checksum, which detects every single-digit error and adjacent transposition.Conversor de 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 thFletcher-16 suma de verificaciónThe Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s. The objective of the Fletcher checksum was to provide error-detection properties Fletcher-32 suma de verificaciónThe Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s. The objective of the Fletcher checksum was to provide error-detection properties Fletcher-64 suma de verificaciónThe Fletcher checksum is an algorithm for computing a position-dependent checksum devised by John Gould Fletcher at Lawrence Livermore Labs in the late 1970s. The objective of the Fletcher checksum was to provide error-detection properties