redondeo
/redonˈdeo/
The English phrase "rounding number" is translated into Spanish as redondeo.
redondeo refers to the process of replacing a number with a simpler value that is approximately the same. To perform this action, you use the verb redondear. If you need to round up, use redondear hacia arriba and to round down, use redondear hacia abajo.
How do you pronounce it?
/redonˈdeo/
Did you know?
- In some Spanish-speaking countries, redondeo refers to a voluntary system where customers donate the small change from a rounded-up total to a charitable cause.
- The verb redondear can be used metaphorically in Spanish to mean 'to polish' or 'to smooth out' an idea or a piece of writing. This makes a concept more elegant or less blunt, much like smoothing the edges of a circle.
- While redondeo is used for math, Spanish speakers use the term redondeo in retail to describe the small difference in change when a price is rounded for convenience.
Examples in context
- Aproxima el resultado a la unidad más próximaApproximate the result to the nearest whole number
- El redondeo es necesario para este cálculo.Rounding is necessary for this calculation.
- No olvides aplicar el redondeo al final.Don't forget to apply the rounding at the end.
- El redondeo de estos decimales es muy sencillo.The rounding of these decimals is very simple.
Example conversation
Lucía and Alejandro are studying math together.
- LucíaNo entiendo cómo hacer el redondeo.I don't understand how to do the rounding.
- AlejandroEs fácil, Lucía, yo te ayudo.It's easy, Lucía, I'll help you.
- Lucía¿Cuándo debo subir el número?When should I round the number up?
- AlejandroCuando el siguiente dígito es cinco o más.When the next digit is five or more.
Sources
- Pronunciation: Wiktionary entry redondeo, CC BY-SA 4.0, dump of 2026-09-26.