medir Present Conjugation
medir — to measure
Medir undergoes an e-to-i stem change in the present: mido, mides, mide, medimos, medís, miden.
medir Present Forms
When to Use the Present
Use the present tense to describe current dimensions, your height, or someone's habit of measuring things carefully.
Notes on medir in the Present
This is an e-to-i stem-changing verb. The change happens in all forms except nosotros and vosotros.
Example Sentences
Mido un metro ochenta.
I am (measure) one meter eighty.
yo
¿Cuánto mides tú?
How tall are you?
tú
Nosotros medimos la mesa antes de comprarla.
We measure the table before buying it.
nosotros
Ellos miden los ingredientes con cuidado.
They measure the ingredients carefully.
ellos/ellas/ustedes
Common Mistakes
Mistake: Yo medo.
Correct: Yo mido.
Why: Medir is an e-to-i stem changer; the 'e' must change to 'i' in the yo form.
Mistake: Nosotros midimos.
Correct: Nosotros medimos.
Why: Stem changes in the present tense never apply to the nosotros or vosotros forms.
Master Spanish verbs in context
Memorizing tables only gets you so far. Read 200+ illustrated and narrated Spanish stories to see verbs like 'medir' used naturally — in the tenses you're learning.
Related Tenses
Preterite
yo: medí
In the preterite, medir only changes e-to-i in the third-person forms (midió, midieron).
Imperfect
yo: medía
Medir is completely regular in the imperfect: medía, medías, medía, medíamos, medíais, medían.
Future
yo: mediré
The future of medir is regular: añadir the endings to the full infinitive (mediré, medirás, etc.).
Conditional
yo: mediría
The conditional of medir is regular: añadir -ía endings to the infinitive (mediría, medirías, etc.).
Present Subjunctive
yo: mida
The present subjunctive of medir uses the 'i' stem change in ALL forms: mida, midas, mida, midamos, midáis, midan.
Imperfect Subjunctive
yo: midiera
The imperfect subjunctive uses the 'midier-' stem for all forms (midiera, midieras, etc.).
Affirmative Imperative
yo: mide
Use 'mide' (tú) or 'midan' (ustedes) to tell someone to measure something.
Negative Imperative
yo: no midas
The negative imperative always uses the present subjunctive forms: no midas, no mida, no midamos, no midáis, no midan.