Enhets- och måttomvandlingar
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Convert between SI and historical plane-angle units (radian, milliradian, degree, gradian, turn, arcminute, arcsecond) anchored to the BIPM SI Brochure definition of the radian.
Convert between metric and imperial area units (square millimetre, square centimetre, square metre, hectare, square kilometre, square inch, square foot, square yard, acre, square mile) with NIST-grade exact factors.
Convert dates between the Gregorian calendar (CE) and the Thai Buddhist Era calendar (BE). Handles the pre-1941 Thailand reform automatically.
Convert any date between the Gregorian calendar and the Chinese, Vietnamese, or Korean lunar (lunisolar) calendar. See the zodiac animal, sexagenary year, element, solar term and leap-month status instantly.
Convert between bits, bytes, and every decimal (kB, MB, GB, TB) and binary (KiB, MiB, GiB, TiB) unit — with the KiB-vs-KB distinction done right.
Convert between SI, electrical, and thermal energy units (joule, kilojoule, megajoule, watt-hour, kilowatt-hour, thermochemical calorie, IT calorie, kilocalorie, BTU, US therm, electronvolt) with NIST-grade exact factors anchored to the 2019 SI redefinition.
Konvertera mellan enheter för längd, massa, volym, area, temperatur, tryck, energi, effekt, kraft, vridmoment och vinkel med exakta NIST-faktorer.
Convert between SI, gravitational, and CGS force units (newton, kilonewton, dyne, kilogram-force, tonne-force, pound-force, ounce-force, short-ton-force) with NIST-grade exact factors anchored to CGPM 1901 standard gravity.
Convert dates between the Hijri (Islamic) lunar calendar and the Gregorian calendar. Shows AH year, Ramadan and Eid countdowns, and Arabic-Indic numerals.
Convert dates between the Gregorian calendar and the Japanese era calendar (wareki) across Meiji, Taisho, Showa, Heisei and Reiwa. Day-exact era resolution, gannen handling, and the Japanese-script date ready to copy.
Convert between metric, imperial, and astronomical length units (millimetre, metre, kilometre, inch, foot, yard, mile, nautical mile, ångström, light-year, AU, parsec) with NIST-grade exact factors.
Convert mass between metric (kg, g, mg, tonne), avoirdupois (lb, oz, stone, short ton, long ton), troy ounce, grain, and the metric carat with NIST-grade exact factors.
Konvertera cups till gram och gram till cups för 30 matlagningsingredienser. Snabbknappar för bråk, ingrediensval och en referenstabell.
Konvertera datum mellan den hebreiska (judiska) kalendern och den gregorianska. Inklusive Adar I/II under skottår och nedräkning till kommande högtider.
Konvertera mellan alla matlagningsmått: cups, matskedar, tesked, ml, liter, gram, kg, ounces och pund. Med stöd för ingredienser vid volym-till-vikt-konvertering.
Omvandla ounces till gram och gram till ounces direkt. Snabb referenstabell för vanliga viktomvandlingar.
Konvertera skostorlek mellan US, UK, EU, JP, KR, BR, MX, AU och fotlängd. Direkta resultat för herr, dam och barn.
Omvandla europeiska skostorlekar till brittiska direkt. Kompletta EU ↔ UK-tabeller för herr, dam och barn med fotlängd i cm och tum.
Convert your pet's age into human years using veterinary life-stage data, not the ×7 myth. Dogs by size class, cats, horses and five small pets, in both directions.
Convert between SI and historical power units (watt, kilowatt, megawatt, mechanical horsepower, metric horsepower / PS, electric horsepower, BTU per hour, kilocalorie per hour, foot-pound per second). Disambiguates the three horsepower variants that vary by hundreds of watts.
Convert between SI, atmospheric, and gravitational pressure units (pascal, kilopascal, megapascal, bar, millibar, atmosphere, torr, mmHg, psi, kgf/cm², inH2O, cmH2O) with NIST-grade exact factors and conventional liquid-column values.
Omvandla ringstorlekar mellan systemen USA, UK, EU/ISO, Frankrike, Tyskland, Japan, Kina och Korea — eller mät fingrets diameter eller omkrets för att hitta din storlek direkt.
Convert numbers to Roman numerals and back, instantly. Bidirectional, with a place-value breakdown, a date-to-Roman tattoo mode, and support up to 3,999,999.
Convert shoe sizes between US and EU instantly. Quick reference charts for men's, women's, and kids' sizes with foot length in cm and inches.
Convert shoe sizes between US and UK instantly. Quick reference charts for men's, women's, and kids' sizes with foot length in cm and inches.
Convert speed between km/h, mph, m/s, knots, feet per second, Mach and the speed of light. Every factor is exact by definition except Mach, which is flagged as a reference condition.
Convert tablespoons to milliliters and ml to tbsp. Supports US, metric, and Australian tablespoon standards.
Convert between Celsius, Fahrenheit, Kelvin, Rankine, and Réaumur temperatures. Handles non-multiplicative scales correctly using the SI offset definition (0 °C = 273.15 K exactly, 13th CGPM 1967).
Calculate gold value from weight (baht, salung, grams) using live gold prices. Convert between Thai gold weight units for bars and jewelry.
Convert time between nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, weeks, fortnights, months, years, and decades. Exact SI factors, honest Julian month and year conventions.
Convert between SI and imperial torque units (newton-metre, kilonewton-metre, kilogram-force metre, kilogram-force centimetre, pound-foot, pound-inch, ounce-inch) with NIST-grade exact factors anchored to CGPM 1901 standard gravity and the 1959 international yard and pound.
Calculate the VND value of gold by weight (phân, chỉ, lượng/cây, gram) and purity using the live world gold price, and convert between Vietnamese and metric gold units.
Convert between metric, US customary, and UK imperial volume units (millilitre, cubic centimetre, litre, cubic metre, cubic inch, cubic foot, cubic yard, US fluid ounce, US pint, US gallon, UK pint, UK gallon) with NIST-grade exact factors.
Convert any date across six world calendar systems at once: Gregorian, Hijri, Hebrew, Persian, Japanese Era, and Buddhist.
