An Independent Calculator · For KPERS MembersIssue 2026.01 · Kansas Edition
KS
Maximize Your KPERS Pension with Compound Interest
A calculator built specifically for Kansas educators in Wichita, Overland Park, and Topeka. Plan your 403(b) or IRA supplement alongside your KPERS pension benefits.
01.
5.7%
KS State Income Tax
02.
$23,000
2024 403(b) Limit
03.
KPERS
Pension System
§ 01 — The Calculator
Run your projection
Defaults are set for a typical Kansas teacher's 403(b) supplement. Adjust each input to match your situation, then calculate.
$
Starting balance in your 403(b) or IRA
$
$400 = $4800/yr
%
yrs
%
%
Kansas cost of living is below national average — 2.5–3% typical
%
Kansas tax rate: up to 5.7%
§ 03 — The Output
After — years
Kansas Reality: With state income tax up to 5.7%, pre-tax 403(b) contributions are especially powerful for KPERS members — every dollar you defer saves you both federal AND state taxes immediately.
Total Portfolio Value
—
Nominal future value
Total Principal
—
Out-of-pocket contributions
Real Purchasing Power
—
In today's dollars
Compound Gain—
Effective Rate—
Doubles In—
Total Interest—
Growth chart
Year-by-year breakdown
Year
Monthly
Deposited
Portfolio
Gain
Real Value
§ 04 — Essay
How Kansas Teachers Can Strengthen Their KPERS Pension with Compound Interest
If you're an educator in Kansas, the Kansas Public Employees Retirement System (KPERS) forms the bedrock of your retirement security. But like most state pension systems, KPERS alone rarely replaces 100% of your pre-retirement income. Whether you teach in Wichita, Overland Park, and Topeka, understanding how compound interest in a 403(b) can supplement your pension is one of the most important financial decisions of your career.
The Opportunity in Kansas: Kansas's lower cost of living means your KPERS pension stretches further than it would in coastal states — but don't let that breed complacency. Healthcare costs, travel, and helping family still add up quickly in retirement. A 403(b) supplement ensures you have flexibility beyond what KPERS provides.
§ 05 — Common Questions
Frequently asked
Is KPERS alone enough for retirement in Kansas?
For most Kansas teachers, KPERS replaces about 50–65% of final salary. Comfortable retirement typically requires 70–90%, so a 403(b) supplement closes that gap.
Are Kansas teachers covered by Social Security?
Yes (covered). This affects how much you should contribute to a 403(b) — uncovered teachers should generally save more.
Can I contribute to a 403(b) and an IRA?
Yes — they have separate limits ($23,000 for 403(b) and $7,000 for IRA in 2026, with catch-up amounts at 50+). Many teachers use both.
What happens to my 403(b) if I move out of state?
Your 403(b) is portable and yours regardless of where you live. You can roll it into an IRA when you separate from your district.
How does Kansas's 5.7% state tax affect my withdrawals?
Traditional 403(b) withdrawals are taxed as ordinary income in Kansas. Some states offer partial exemptions for retirement income — check current Kansas rules.