How to Say “Let Me Know” in Spanish

Introduction

Learning how to express let me know in Spanish opens up countless opportunities for natural conversation and meaningful connections. This essential phrase helps you request updates, ask for opinions, and maintain communication with Spanish speakers. Whether you’re coordinating plans with friends or navigating professional situations, mastering the various ways to say let me know will make your Spanish sound more fluent and authentic.

The Most Common Way: Avísame

The single most popular translation of let me know in Spanish is avísame. This informal command comes from the verb avisar, which means to notify, inform, or let someone know. You’ll hear this expression constantly in everyday Spanish conversations across all Spanish-speaking countries.

Avísame works perfectly in casual settings with friends, family, or people you address using tú. Here are some practical examples:

Avísame cuando llegues a casa.
Let me know when you get home.

Avísame si necesitas ayuda.
Let me know if you need help.

Avísame qué decides.
Let me know what you decide.

The beauty of avísame is its versatility. You can use it for everything from asking a friend to update you about weekend plans to requesting confirmation about meeting times. It’s direct, friendly, and immediately understood by native speakers.

Formal Alternatives: Avíseme and Hágamelo Saber

When speaking with someone you address formally using usted, such as a boss, client, or someone older you’ve just met, you need to adjust your language accordingly. The formal version of avísame is avíseme.

Avíseme si tiene alguna pregunta.
Let me know if you have any questions.

Por favor, avíseme cuando esté listo el informe.
Please let me know when the report is ready.

Another formal option is hágamelo saber, which translates more literally to make me know it. This phrase sounds particularly professional and is commonly used in business correspondence and formal written communication.

Hágamelo saber a la brevedad posible.
Let me know as soon as possible.

Si surge algún inconveniente, hágamelo saber.
If any issue arises, let me know.

Regional Variations: Dime and Cuéntame

Spanish is wonderfully diverse, and different regions have their own preferred ways to express let me know. Understanding these variations helps you sound more natural and adapt to local speech patterns.

Using Dime

Dime, from the verb decir (to say or tell), is extremely common in many Spanish-speaking countries. While it literally means tell me, it functions perfectly as let me know in casual conversation.

Dime si quieres venir con nosotros.
Let me know if you want to come with us.

Dime algo cuando sepas.
Let me know something when you find out.

Using Cuéntame

Cuéntame, from contar (to tell or count), adds a slightly more personal touch. It implies you want to hear the details or story behind something, making it perfect for friendly, casual situations.

Cuéntame cómo te fue en la entrevista.
Let me know how your interview went.

Cuéntame qué tal la fiesta.
Let me know how the party was.

Context-Specific Phrases

Sometimes you want to be more specific about when or how someone should inform you. Spanish offers several nuanced expressions for these situations.

Expressing Urgency

When time is of the essence, try these expressions:

Avísame cuanto antes
Let me know as soon as possible

Avísame en cuanto sepas
Let me know as soon as you know

Mantenme informado
Keep me informed / Keep me posted

Making Polite Requests

Adding politeness markers softens your request and shows respect:

Por favor, avísame si hay algún cambio.
Please let me know if there are any changes.

Te agradecería que me avisaras.
I would appreciate it if you let me know.

¿Podrías avisarme cuando termines?
Could you let me know when you finish?

Written vs Spoken Communication

The way you express let me know may vary depending on whether you’re writing or speaking. In text messages, emails, and WhatsApp conversations, you might see abbreviated or adapted versions.

Text Message Style

In informal digital communication, Spanish speakers often shorten phrases:

Avísame = Avisame (without accent in casual texting)
Dime algo = Just dime
Confirmame = Confirm with me

Email Correspondence

Professional emails typically use more complete, formal structures:

Le agradecería que me mantuviera informado sobre este asunto.
I would appreciate it if you kept me informed about this matter.

Quedo a la espera de que me haga saber su decisión.
I await your letting me know your decision.

Common Mistakes to Avoid

English speakers learning Spanish often make certain errors when trying to say let me know. Being aware of these pitfalls helps you sound more natural.

Direct Translation Trap

Avoid translating word-for-word. The phrase déjame saber exists but sounds stilted and overly literal to native speakers. While grammatically correct, it marks you as a non-native speaker. Stick with avísame or dime for natural-sounding Spanish.

Formality Mismatches

Using avísame with your boss or avíseme with close friends creates awkward situations. Pay attention to the relationship and context to choose the appropriate formality level.

Missing the Subjunctive

When using dependent clauses after let me know, Spanish often requires the subjunctive mood:

Avísame cuando llegues. (not llegas)
Let me know when you arrive.

Dime si necesites algo. (not necesitas)
Let me know if you need anything.

Cultural Considerations

Understanding the cultural context behind communication styles enriches your Spanish learning experience. In many Spanish-speaking cultures, maintaining connection and keeping others informed is highly valued.

Using phrases like avísame isn’t just about exchanging information—it’s about showing you care about the other person and want to stay connected. When someone says avísame cuando llegues, they’re expressing genuine concern for your wellbeing, not just requesting data.

Additionally, Spanish speakers often add affectionate diminutives or terms of endearment when asking to be informed, especially with close friends or family:

Avísame, mi amor.
Let me know, my love.

Dime, cariño.
Let me know, dear.

Practice Exercises

To solidify your understanding, try mentally translating these common scenarios:

1. You want a friend to inform you when the movie starts
2. You need a colleague to update you about a project deadline
3. You’re asking your partner to tell you what they want for dinner
4. You want your professor to inform you about exam results

Suggested answers:
1. Avísame cuando empiece la película
2. Avíseme sobre la fecha límite del proyecto
3. Dime qué quieres cenar
4. Por favor, avíseme sobre los resultados del examen

Expanding Your Vocabulary

Once you’ve mastered the basics, explore related phrases that add variety to your Spanish:

Notifícame – Notify me (more formal)
Infórmame – Inform me (professional contexts)
Comunícame – Communicate to me
Hazme saber – Make me know (casual alternative to hágamelo saber)

Each variation carries slightly different connotations and suits different contexts, giving you flexibility in expressing yourself naturally across various situations.

Conclusion

Mastering how to say let me know in Spanish transforms your ability to communicate effectively and build relationships with Spanish speakers. From the ubiquitous avísame to formal alternatives like hágamelo saber, you now have multiple tools for requesting information appropriately in any context. Remember that language learning thrives on practice, so start incorporating these phrases into your daily Spanish conversations and watch your fluency grow naturally.