Spanish Correlative and Proportional Comparison

You already know más alto que and el más caro from the comparatives and superlatives pages. Those compare two fixed things. This page is the next level up: comparing change and proportion - the more one thing happens, the more another follows; things getting colder and colder; earning double; trying however hard. These patterns separate a textbook comparison from a natural one.

The patterns at a glance

Cuanto más... más: the more, the more

The correlative pairs two moving quantities: as one rises or falls, so does the other. The frame is cuanto más + clause, más + clause.

• Cuanto más trabajo, más cansado estoy. (The more I work, the more tired I am.)
• Cuanto más practicas, mejor hablas. (The more you practise, the better you speak.)

You can run either half up or down independently, and the irregular comparatives mejor and peor slot straight in:

• Cuanto menos duermes, peor te sientes. (The less you sleep, the worse you feel.)
• Cuanto más comes, menos hambre tienes. (The more you eat, the less hungry you are.)

Note that cuanto agrees when it sits directly on a noun: cuantas más horas trabajo, más gano (the more hours I work, the more I earn). With a bare verb or adjective it stays as plain cuanto.

Across Latin America the same idea is very commonly built with mientras más... más:

• Mientras más lo pienso, más me gusta. (The more I think about it, the more I like it.)

Both are correct. Cuanto más is the neutral, pan-Hispanic standard; mientras más is the everyday American variant.

Cada vez más: more and more

When only one quantity is creeping up or down over time - with nothing on the other side of the scale - Spanish uses cada vez más ("more and more") or cada vez menos ("less and less"). Literally "each time more".

• Cada vez hace más frío. (It's getting colder and colder.)
• Hay cada vez menos gente en el pueblo. (There are fewer and fewer people in the village.)
• Habla español cada vez mejor. (He speaks Spanish better and better.)

The difference from cuanto más is the whole point: cada vez más is a one-sided drift, while cuanto más... más locks two changes together. If nothing is driving the change, reach for cada vez.

Proportional multipliers: el doble, el triple, la mitad

To say something is double, triple or half of something else, Spanish uses noun-like quantifiers. Use que to compare against a person or thing, and de before a plain amount.

• Gana el doble que yo. (He earns double what I do.)
• Este piso cuesta el triple que el mío. (This flat costs triple what mine does.)
• Compró el doble de comida. (She bought double the food.)
• Solo dormí la mitad de las horas necesarias. (I only slept half the hours I needed.)

El doble, el triple and la mitad behave like nouns, so they keep their own article and gender regardless of what they describe.

Tanto... como and tanto/tan... que

Two structures share the word tanto, and they are easy to mix up.

Tanto... como = "as much... as" (a comparison of equality, the quantity cousin of tan... como):

• Trabaja tanto como tú. (He works as much as you.)
• No tengo tanto dinero como antes. (I don't have as much money as before.)

Tanto / tan... que = "so much / so... that" (a result, not a comparison):

• Trabajo tanto que no duermo. (I work so much that I don't sleep.)
• Estaba tan cansado que me dormí en el sofá. (I was so tired that I fell asleep on the sofa.)

The split is mechanical: tanto (invariable when it modifies a verb, agreeing as tanto/a/os/as before a noun) attaches to verbs and nouns; tan attaches to adjectives and adverbs. So it is tanto trabajo but tan cansado, come tanto but es tan alto.

Por más que + subjunctive: however much

Por más que and por mucho que mean "however much" or "no matter how much" - you concede the effort, then deny the result.

• Por más que lo intento, no puedo. (However hard I try, I can't.)
• Por mucho que estudies, no aprobarás sin dormir. (However much you study, you won't pass without sleep.)

The mood follows the same logic as aunque: indicative for a real, present fact you are living through (por más que lo intento - I genuinely am trying), subjunctive for something hypothetical or merely conceded (por más que insistas - however much you might insist). Getting this right is a clear B2 signal.

-ísimo: dialling the adjective up

The absolute superlative -ísimo does not compare anything; it just means "extremely". Drop the final vowel and add -ísimo, agreeing for gender and number.

• rápido to rapidísimo (extremely fast)
• bueno to buenísimo (extremely good)
• cansado to cansadísima (absolutely shattered)

Watch the spelling changes that keep the sound intact:

• -co to -quísimo: rico to riquísimo (not "ricísimo").
• -go to -guísimo: largo to larguísimo.
• -z to -císimo: feliz to felicísimo.
• cerca to cerquísima ("really close"), the same c-to-qu shift on an adverb.

So "the food is delicious" is la comida está riquísima.

Common mistakes English speakers make

Using cada vez más for a proportion. "The more I read, the more I learn" is cuanto más leo, más aprendo, not "cada vez más leo". Cada vez only does one-sided drift.

Confusing tan and tanto. It is tan cansado que (adjective) but tanto trabajo que (noun/verb). "So tired" is never "tanto cansado".

Forgetting de before an amount. It is el doble de comida but el doble que yo: de before a plain quantity, que before a person or thing compared.

Missing the -ísimo spelling shift. "Really tasty" is riquísimo, not "ricísimo"; "really close" is cerquísima, not "cercísima".

See also

• Spanish comparatives - the foundation this builds on: más que, menos que, tan como and the four irregulars.
• Spanish superlatives - el mejor, el más, and the full -ísimo spelling table.
• The Spanish grammar cheatsheet collects the cuanto más and tanto... que patterns on one card.