en cuanto lo sepa

as soon as I know

→ en
phrase Rare #34,487
as soon as I know Used to refer to a future point when the speaker finds out or knows something. The subjunctive form sepa is used because the event has not happened yet.
SP: Te avisaré en cuanto lo sepa.
EN: I’ll let you know as soon as I know.

Le haré una llamada en cuanto lo sepa con seguridad.

I'll give you a call as soon as I know for sure.

Os llamo en cuanto lo sepa.

I’ll call you as soon as I know.

Pero te lo diré en cuanto lo sepa.

But I’ll tell you as soon as I know.

— System crasher (2019)

Te llamaré en cuanto lo sepa.

I'll call you as soon as I know.

Te llamo en cuanto lo sepa.

I’ll call you as soon as I know.

Llamaré en cuanto lo sepa.

I’ll call as soon as I know.

Os llamaré en cuanto lo sepa.

I'll call you as soon as I know.