Inklingo
A plain rectangular block of wood is shown mid-transformation, with one end clearly finished as a detailed wooden bird sculpture, illustrating the change of form.

convertir Present Conjugation

convertir — to convert

A2irregular (stem-changing e > ie, e > i) -ir★★★★★
Quick answer:

The present tense of convertir features an e > ie stem change in all forms except nosotros and vosotros.

convertir Present Forms

yoconvierto
túconviertes
él/ella/ustedconvierte
nosotrosconvertimos
vosotrosconvertís
ellos/ellas/ustedesconvierten

When to Use the Present

Use this for current transformations, habits, or to describe what something is currently turning into.

Notes on convertir in the Present

This is a standard stem-changing verb where the 'e' becomes 'ie' in the 'boot' forms.

Example Sentences

  • Convierto mis ahorros a euros cada mes.

    I convert my savings to euros every month.

    yo

  • El agua se convierte en hielo a cero grados.

    Water turns into ice at zero degrees.

    él/ella/usted

  • Nosotros convertimos la oficina en un dormitorio.

    We are converting the office into a bedroom.

    nosotros

Common Mistakes

  • Mistake: Using 'convertimos' with a stem change like 'conviertimos'.

    Correct: convertimos

    Why: The nosotros and vosotros forms never take the stem change in the present indicative.

Master Spanish verbs in context

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Related Tenses

Preterite

yo: convertí

In the preterite, convertir has a stem change (e > i) only in the third-person forms: convirtió and convirtieron.

Imperfect

yo: convertía

The imperfect of convertir is regular: convertía, convertías, convertía, convertíamos, convertíais, convertían.

Future

yo: convertiré

The future tense of convertir is entirely regular: convertiré, convertirás, convertirá, etc.

Conditional

yo: convertiría

The conditional of convertir is regular and uses the full infinitive as the base: convertiría, convertirías, etc.

Present Subjunctive

yo: convierta

The present subjunctive uses the stem 'conviert-' for most forms, but 'convirt-' for nosotros and vosotros.

Imperfect Subjunctive

yo: convirtiera

The imperfect subjunctive is built on the third-person preterite stem 'convirt-': convirtiera, convirtieras, etc.

Affirmative Imperative

yo: convierte

The imperative uses 'convierte' for informal commands and 'convierta/convirtamos' for formal or group commands.

Negative Imperative

yo: no conviertas

The negative imperative uses the present subjunctive forms: no conviertas, no convierta, no convirtamos.