finance · runs in your browser

Two savers, same paycheck, ten years apart

They both put away the same amount every month until they turn 65. One just started earlier. Drag anything below and watch the gap move.

Starting at 35 instead of 25 costs

$651,045

By age 65 they hold $584,726 instead of $1,235,771. They only saved $60,000 less — 91% of the gap is growth that never got the time to happen.

Balance by age

age 65 · finish

  • money in
  • growth
  • late starter

drag across the chart — or focus it and use ← →

Starts at 25

$1,235,771

in $240,000growth $995,771

Starts at 35

$584,726

in $180,000growth $404,726

Controls

$500
7.0%
age 25
40 yrs
both stop at age 65
Late starter waits

demo · sloprun.dev