An Independent Calculator · For TPAF MembersIssue 2026.01 · New Jersey Edition
NJ
Maximize Your TPAF Pension with Compound Interest
A calculator built specifically for New Jersey educators in Newark, Jersey City, and Trenton. Plan your 403(b) or IRA supplement alongside your TPAF pension benefits.
01.
10.75%
NJ State Income Tax
02.
$23,000
2024 403(b) Limit
03.
TPAF
Pension System
§ 01 — The Calculator
Run your projection
Defaults are set for a typical New Jersey 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
%
%
New Jersey cost of living runs above national average — consider 3.5–4%
%
New Jersey tax rate: up to 10.75%
§ 03 — The Output
After — years
New Jersey Reality: With state income tax up to 10.75%, pre-tax 403(b) contributions are especially powerful for TPAF 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 New Jersey Teachers Can Strengthen Their TPAF Pension with Compound Interest
If you're an educator in New Jersey, the Teachers' Pension and Annuity Fund (TPAF) forms the bedrock of your retirement security. But like most state pension systems, TPAF alone rarely replaces 100% of your pre-retirement income. Whether you teach in Newark, Jersey City, and Trenton, understanding how compound interest in a 403(b) can supplement your pension is one of the most important financial decisions of your career.
The Cost-of-Living Reality in New Jersey: With housing and living costs running well above the national average, a TPAF pension replacing 50–65% of your final salary leaves a significant gap. In metro areas like Newark and Jersey City, that gap can mean the difference between comfort and financial stress. A 403(b) supplement powered by compound interest is essential.
§ 05 — Common Questions
Frequently asked
Is TPAF alone enough for retirement in New Jersey?
For most New Jersey teachers, TPAF replaces about 50–65% of final salary. Comfortable retirement typically requires 70–90%, so a 403(b) supplement closes that gap.
Are New Jersey 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 New Jersey's 10.75% state tax affect my withdrawals?
Traditional 403(b) withdrawals are taxed as ordinary income in New Jersey. Some states offer partial exemptions for retirement income — check current New Jersey rules.