There’s actually a formal term for this—it's called a day-fine system. Switzerland uses it, and fines are calculated based on the offender's daily income, with

There’s actually a formal term for this—it's called a day-fine system. Switzerland uses it, and fines are calculated based on the offender's daily income, with the number of days determined by the severity of the crime. It ensures penalties are proportional to income, making fines meaningful across all income levels.