Italian Phrase
Fammi sapere se hai bisogno di aiuto.
Meaning
Literally, ‘let me know if you have need of help.’ It is a friendly, polite way to ask someone to inform you should they require assistance. The phrase conveys willingness to help while leaving the decision to the listener.
When to use
Use this sentence when you are offering help in informal or semi‑formal contexts – after giving instructions, in a work email, or during a casual conversation with friends or colleagues. It works well both in spoken Italian and in written messages.
✦Grammar Breakdown
Fammisaperesehaibisognodiaiuto
Imperative + clitic pronoun
‘Fammi’ is the imperative of ‘fare’ combined with the clitic pronoun ‘mi’, meaning ‘let me’. The pronoun attaches directly to the verb in the imperative form.
Infinitive after ‘fammi’
The verb ‘sapere’ stays in the infinitive after ‘fammi’, forming the set phrase ‘fammi sapere’ – ‘let me know’.
Conditional conjunction ‘se’
‘Se’ introduces a conditional clause, equivalent to ‘if’ in English.
Present of ‘avere’
‘Hai’ is the second‑person singular present of ‘avere’, used here to express a current state of need.
‘avere bisogno di’ + noun
The construction ‘avere bisogno di + noun/infinitive’ means ‘to need’. It always takes the preposition ‘di’.
Noun ‘aiuto’
‘Aiuto’ is a masculine singular noun meaning ‘help’ or ‘assistance’.
🗨In Conversation
Fammi sapere se hai bisogno di aiuto.
Let me know if you need any help.
Grazie, ti avviserò subito se mi serve qualcosa.
Thanks, I’ll let you know right away if I need anything.
✕Common Mistakes
Fai sapere se hai bisogno di aiuto.
‘Fai sapere’ means ‘make someone know’, not ‘let me know’. The correct clitic form is ‘Fammi sapere’.
Fammi sapere se avrai bisogno di aiuto.
Using future ‘avrai’ changes the meaning to ‘if you will need’, which is less natural in this immediate offer.
↔Alternatives
Fammi sapere se ti serve aiuto.
Let me know if you need help.
Fammi sapere se hai bisogno di una mano.
Let me know if you need a hand.
Fammi sapere se ti serve una mano.
Let me know if you need a hand.
Cultural Tip
‘Fammi sapere’ is a very common, informal way to ask for a response. In formal business emails you might prefer ‘Mi faccia sapere…’ or ‘La prego di informarmi…’. Also, Italians often add a friendly smile or a light tone when using this phrase, so the context feels supportive rather than demanding.

