Topic 3 · Interactive tool

The Retirement Planner

A monthly deposit, compounding for decades. Watch the gap between what you put in and what the formula earns on top.

Your plan
Inputs
$300/mo
$50$300$2,000
7.0%
0%6%12%
30yr
12550
Future value · A at year 30
$0
Contributions · C
$0
Interest earned
$0
Year shown
30 / 30
Multiple of C
0.0x
Stacked area chart of contributions and interest over time Bottom band shows cumulative deposits; top band shows interest earned.
Your contributions Interest earned Drag the dashed line to scrub years

 

What moves the number most?

+$100 a month
+1% rate
Start 5 years sooner

Practise: review question 6 →Practise: Exam 2, question 4 →Lesson 5: Lump sum vs. annuity
Plan A
Start at 25 (default)
$300/mo
$50$300$2K
7.0%
0%6%12%
40yr
12550
Plan B
Start at 35 (default)
$300/mo
$50$300$2K
7.0%
0%6%12%
30yr
12550
Plan A vs. Plan B at year 40
$0 ahead
Plan A · A_a
$0
Plan B · A_b
$0
Year shown
40
Contribution gap
$0
Comparison of two retirement plans over time Plan A as a solid gold line; Plan B as a dashed lighter gold line.
Plan A balance Plan B balance Drag the dashed line to scrub years
Plan A final
$0
$0 in / $0 earned
Plan B final
$0
$0 in / $0 earned
The gap
$0
contribution gap: $0