Comment Number of day-fines and multiplier (Score 1) 760
Many comments here, so maybe someone has already covered this. Follow the links if you are interested
There are fixed fines for speeding: http://www.oikeus.fi/tuomioistuimet/karajaoikeudet/en/index/rikosasiat/seuraamukset/rikesakko.html
Fines are given for more serious offences: http://www.oikeus.fi/tuomioistuimet/karajaoikeudet/en/index/rikosasiat/seuraamukset/sakko.html
So, number of unit fines (day fines) indicates the level of offence, the amount of money per unit you have to pay tries to relate the penalty to your income.