EN
PortuguêsEnglishEspañol
All tools
Calculators 100% free

Unit converter

Convert length, weight, volume, area and temperature.

Thank you so much for helping!

Every donation helps pay for the servers and keeps the tools free for everyone. Pick or type an amount:

Secure payment by Stripe. Opens in a new tab.
Back to Converters

Convert units.

Available in: PortuguêsEspañolEnglish

Advertisement

Unit converter: what it is for

The unit converter turns values between units of length, mass, volume, area, temperature, speed and more.

Just choose the type, the units and type the value.

How to use

  1. Choose the type of measurement.
  2. Select the source and target units.
  3. Type the value and see the conversion.

When to use it

  • Converting recipe measurements.
  • Converting between metric and imperial units.
  • Physics homework.

Frequently asked questions

How much is an alqueire?

It is an old Brazilian land unit that depends on the region: the São Paulo alqueire is 24,200 m² (about 6 acres) and the Minas Gerais one is 48,400 m² (about 12 acres).

How much does an arroba weigh?

An arroba, used in Brazil for cattle and coffee, is 15 kg (about 33 lb).

Is it really free?

Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.

Similar tools

Fuel economy converter (mpg, L/100 km and km/L)Convert fuel economy between miles per US gallon (mpg US), imperial gallon (mpg UK), km/L and liters per 100 km, handy for comparing cars and tests from other countries.Open →
Energy converter (J, cal, kWh, BTU)Convert energy units: joule, kilojoule, calorie, kilocalorie, watt-hour, kilowatt-hour, BTU, electronvolt and erg, with every conversion at once.Open →
Pressure converter (psi, bar, atm, kPa)Convert pressure units: pascal, kilopascal, bar, psi, atmosphere, mmHg, kgf/cm², meter of water column and inch of mercury, all at once.Open →
Clothing size converterConvert clothing sizes between Brazil, the US, Europe and the UK, for women and men: Brazilian PP, P, M, G and GG, sizes 36 to 50, and XS to XXL.Open →
Temperature converter (Celsius, Fahrenheit, Kelvin)Convert temperatures between Fahrenheit, Celsius, Kelvin and Rankine instantly, with the formula and a reference table.Open →
Speed converter (km/h, m/s, mph, knots)Convert speeds between km/h, m/s, miles per hour, knots, feet per second and Mach, with all units at once.Open →

The tools are provided as is, without warranty. We are not responsible for the results or for how they are used.