This is the 966th most frequent Finnish word.
mikäli
"If" or "in case."
Used to express a condition that influences an action (if).
Mikäli sää on hyvä, voimme mennä piknikille.
If the weather is good, we can go for a picnic.
Indicating a prerequisite for participation (provided that).
Voit osallistua kilpailuun, mikäli ilmoittaudut ajoissa.
You can participate in the competition if you register on time.
Expressing a condition for attending based on acknowledgment (on the condition that).