How much should you save each month?

How it is worked out

What is left to save is divided by the number of months until departure, rounded up to the next euro: one euro too many beats a goal missed by a little. Per week, it is the same sum over the number of weeks.

Being on time means having put aside, today, the share of the amount that matches the time gone by. Halfway to the date, half should be there. That is what the mark on the pass’s route shows: where you should be today.

One month below changes nothing serious: the pace is worked out again on what is left. Several months in a row, and it is better to move the date than to chase it.

A few benchmarks