Conversions

Conversions d'unitats i mesures

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Aquestes calculadores estan disponibles en altres idiomes — fes-hi clic per veure-les.

Angle Converter

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.

Anglès

Area Converter

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.

Tailandès

Buddhist Calendar Converter

Convert dates between the Gregorian calendar (CE) and the Thai Buddhist Era calendar (BE). Handles the pre-1941 Thailand reform automatically.

Anglès

Chinese Lunar Calendar Converter

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.

Anglès

Convertidor d'unces a grams

Converteix a l'instant unces a grams i grams a unces. Taula de referència ràpida per a conversions de pes habituals.

Anglès

Convertidor d'Unitats

Convert between length, volume, area, temperature, pressure, energy, power, force, torque, and angle units with NIST-grade exact factors.

Anglès

Convertidor de mesures de cuina

Converteix entre totes les mesures de cuina: tasses, cullerades, culleradetes, ml, litres, grams, kg, unces i lliures. Amb suport per a ingredients per fer conversions de volum a pes.

Anglès

Convertidor de talles d'anell

Converteix talles d'anell entre EUA, Regne Unit, UE/ISO, França, Alemanya, Japó, Xina i Corea, o mesura el diàmetre o la circumferència del teu dit per conèixer la teva talla a l'instant.

Anglès

Convertidor de talles de calçat

Converteix talles de calçat entre US, UK, EU, JP, KR, BR, MX, AU i longitud del peu. Resultats instantanis per a home, dona i criatures.

Anglès

Convertidor de talles de calçat: EU ↔ UK

Converteix a l'instant talles de calçat europees a britàniques. Taules completes EU ↔ UK per a home, dona i criatures amb la longitud del peu en cm i polzades.

Anglès

Convertidor de tasses a grams

Converteix tasses a grams i grams a tasses per a 30 ingredients de cuina. Botons ràpids per a fraccions, selector d'ingredient i taula de referència.

Anglès

Convertidor del calendari hebreu

Converteix dates entre el calendari hebreu (jueu) i el gregorià. Inclou Adar I/II en anys embolismals i compte enrere de les festes properes.

Anglès

Data Storage Converter

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.

Anglès

Energy Converter

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.

Anglès

Force Converter

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.

Anglès

Hijri Calendar Converter

Convert dates between the Hijri (Islamic) lunar calendar and the Gregorian calendar. Shows AH year, Ramadan and Eid countdowns, and Arabic-Indic numerals.

Anglès

Japanese Era Converter

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.

Anglès

Length Converter

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.

Anglès

Mass Converter

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.

Anglès

Pet Age Calculator — Dog & Cat Years in Human Years

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.

Anglès

Power Converter

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.

Anglès

Pressure Converter

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.

Anglès

Roman Numerals Converter

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.

Anglès

Shoe Size Converter: US to EU

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.

Anglès

Shoe Size Converter: US to UK

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.

Anglès

Speed Converter

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.

Anglès

Tablespoons to ML Converter

Convert tablespoons to milliliters and ml to tbsp. Supports US, metric, and Australian tablespoon standards.

Anglès

Temperature Converter

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).

Tailandès

Thai Gold Calculator

Calculate gold value from weight (baht, salung, grams) using live gold prices. Convert between Thai gold weight units for bars and jewelry.

Anglès

Time Converter

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.

Anglès

Torque Converter

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.

Vietnamita

Vietnam Gold Calculator

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.

Anglès

Volume Converter

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.

Anglès

World Calendars Converter

Convert any date across six world calendar systems at once: Gregorian, Hijri, Hebrew, Persian, Japanese Era, and Buddhist.

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