Calculators
94 도구
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타임스탬프 도구 7
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Current Unix 시간Live clock showing Unix time in seconds and milliseconds.타임스탬프 to 날짜 변환기Turn a timestamp (s/ms/µs) into a formatted date instantly.날짜 to 타임스탬프 변환기Convert a calendar date & time into Unix epoch seconds.Milliseconds 변환기Convert milliseconds to seconds, minutes, hours and days.시간 Difference 계산기Distance between two timestamps or dates in every unit.From UNIX 타임스탬프Converts 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).
날짜/시간 도구 9
날짜 Format 변환기Render any date in ISO, RFC, locale and custom formats.Days Between 날짜Count days (and weeks/months) between two calendar dates.날짜 Add Subtract 계산기Add or subtract days, weeks, months from a date.시간대 변환기Compare times across world timezones instantly.윤년 Year 검사기Check whether a year is a leap year and why.나이 계산기Exact age in years, months, days, hours and total days.
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ISO 주 숫자 계산기Find the ISO-8601 week and weekday of any date.Get 시간Generates 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
숫자 도구 13
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16 진 10 진 이진 Live 변환기Edit hex, dec, oct and bin simultaneously — all stay in sync.Roman Numeral 변환기Convert between Roman numerals and Arabic numbers.숫자 to Words 변환기Spell out numbers in English words (cheques, captions).백분율 계산기Percent of, increase/decrease and ratio problems.난수 숫자 생성기Cryptographically random integers in any range.숫자 포매터Thousands separators and fixed decimals for any locale.팩토리얼 계산기Exact big-integer factorials.GCD & LCM 계산기Greatest common divisor and least common multiple of a list.소수 숫자 검사기Test 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 텍스트 FormatAdds Unicode combining characters to change formatting of plaintext.
UUID 도구 7
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UUID v7 생성기Time-ordered sortable UUIDs for databases.ULID 생성기26-character lexicographically sortable unique IDs.GUID 생성기Microsoft-style bracketed GUIDs.UUID 검증기Validate 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),
단위 변환기 25
길이 변환기Convert metres, kilometres, centimetres, inches, feet, yards, miles and nautical miles.무게 변환기Convert kilograms, grams, tonnes, pounds, ounces, stones and carats.온도 변환기Convert Celsius, Fahrenheit, Kelvin and Rankine with the formulas shown.부피 변환기Convert litres, millilitres, US and imperial gallons, cups, pints, quarts and fluid ounces.속도 변환기Convert km/h, mph, metres per second, knots, feet per second and Mach number.면적 변환기Convert square metres, hectares, acres, square feet, square inches and square miles.
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압력 변환기Convert pascbar, psi, atm, torr, mmHg, kgf/cm² and inches of mercury.에너지 변환기Convert joules, kilowatt-hours, calories, kilocalories, BTU, electronvolts and tonnes of oil equivalent.전력 변환기Convert watts, kilowatts, mechanical and metric horsepower, BTU/h and kcal/h.각도 변환기Convert degrees, radians, gradians, arcminutes, arcseconds and turns.시간 기간 변환기Convert nanoseconds to centuries: seconds, minutes, hours, days, weeks, months and years.데이터 저장소 변환기Convert bits, bytes and SI versus IEC multiples — kB, MB, GB, KiB, MiB, GiB, TiB.Typography Unit 변환기Convert CSS px, pt, pc, mm, cm, in, Q and didot/cicero at the standard 96 dpi reference.빈도 변환기Convert hertz, kilohertz, megahertz, gigahertz, RPM and radians per second.데이터 Rate 변환기Convert bandwidth between bit/s, kbit/s, Mbit/s, Gbit/s and byte-per-second units including IEC multiples.Force 변환기Convert newtons, kilonewtons, dynes, kilogram-force, pound-force, ounce-force, poundals and kips.Torque 변환기Convert newton-metres, kgf·m, kgf·cm, lbf·ft, lbf·in, ozf·in and dyne-centimetres.Density 변환기Convert kg/m³, g/cm³, g/mL, lb/ft³, lb/in³ and tonnes per cubic metre.Radiation Dose 변환기Convert gray, rad, sievert and rem including milli and micro prefixes.Viscosity 변환기Convert dynamic viscosity between Pa·s, mPa·s, centipoise, poise and lbf·s/ft².Luminance 변환기Convert cd/m², nits, lamberts, foot-lamberts, stilbs and cd/cm².Illuminance 변환기Convert 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.
수학·통계 18
통계 계산기Mean, median, mode, range, variance, standard deviation, standard error, quartiles and IQR from a list of numbers.백분위 계산기Compute any percentile of a data set with linear interpolation, plus all deciles.상관 계산기Pearson and Spearman correlation, r², and the least-squares regression line for paired data.조합 계산기C(n,r) with exact BigInt arithmetic and a list of the actual combinations for small inputs.순열 계산기P(n,r) ordered arrangements computed exactly with BigInt — no floating point rounding.소수 Factorization 계산기Break any integer into prime factors and list every divisor with the divisor count.
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소수 숫자 검사기Test 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.Math 수식 계산기Evaluate arithmetic expressions with correct precedence, powers, factorials, functions and constants.분수 계산기Simplify fractions, convert decimals to exact fractions and add, subtract, multiply or divide them.10 진 to 분수Convert 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
검증·체크섬 15
Card 숫자 검증기Validate a card or IMEI with the Luhn algorithm, detect the brand and derive the missing check digit.ISBN 검증기Check ISBN-10 and ISBN-13 check digits and compute the correct one for a truncated ISBN.Barcode Check Digit 검증기Validate EAN-8, EAN-13, UPC-A and ITF-14 barcodes and see the weighted sum step by step.IBAN 검증기Validate an IBAN with MOD-97, check the national length and show the rearranged calculation.SWIFT BIC 검증기Check an ISO 9362 BIC and split it into institution, country, location and branch codes.VIN 검사기Validate a 17-character vehicle VIN check digit and decode region, year and plant positions.
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Mod-11 Check Digit 검증기Validate ISSN, ISMN, ORCID and other mod-11 identifiers, with the weighted sum shown.LEI 검증기Validate an ISO 17442 Legal Entity Identifier with the ISO 7064 MOD 97-10 scheme.Verhoeff Check 검증기Apply the Verhoeff dihedral-group checksum that catches all single-digit and all transposition errors.Damm Check 검증기Run the Damm quasigroup checksum, which detects every single-digit error and adjacent transposition.Latitude Longitude 변환기Convert 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 체크섬The 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 체크섬The 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 체크섬The 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