Catch-Up Contribution Calculator 2026

Once you turn 50, the IRS lets you contribute more to every tax-advantaged account you own. At ages 60–63, the 401(k) limit jumps again via the SECURE 2.0 "super catch-up." And starting January 1, 2026, a new Roth rule changes the tax treatment for high earners. This calculator shows what catch-up contributions are worth at your retirement date.

2026 catch-up contribution limits — complete table

Sources: IRS Rev. Proc. 2025-32 (401k, IRA, SIMPLE); Rev. Proc. 2025-19 (HSA). SIMPLE limits: Kiplinger / IRS Notice 2025-82.

The 2026 high-earner Roth catch-up rule

Starting January 1, 2026, any employee whose W-2 wages from the sponsoring employer exceeded $150,000 in the prior year is required to make all 401(k) catch-up contributions on a Roth (after-tax) basis. Pre-tax catch-up contributions are no longer available to them.¹

The contribution limits themselves are unchanged — only the tax character. For families in the 24%–32% marginal bracket who anticipated a traditional 401(k) deduction on the $8,000 catch-up amount, this effectively increases the out-of-pocket cost of maximizing that space. It also means those contributions will not be subject to RMDs, which has long-term planning value: Roth 401(k) balances (rolled to Roth IRA) never require minimum distributions, reducing taxable income in your 70s.

The ages 60–63 super catch-up: the most valuable window in retirement planning

SECURE 2.0 §109 created a higher catch-up limit for employees who are age 60, 61, 62, or 63 in the calendar year. Instead of $8,000, they can contribute an additional $11,250 above the standard $24,500 limit — a total of $35,750 into a single 401(k) plan.

The window is precise. It applies only while you are exactly those ages. At age 64, you revert to the standard $8,000 catch-up. The math for a family where both spouses pass through this window:

• $11,250 × 4 years = $45,000 in additional 401(k) space per person, above the base $24,500
• Both spouses at 60–63 simultaneously: up to $90,000 in combined additional contributions
• At 7% return with a 5-year runway to retirement, each $11,250/yr becomes roughly $65,000 — meaning the super catch-up advantage per person is approximately $20,000 more than standard catch-up over the same four years

For families where one or both spouses is approaching this window, the planning question is whether you can rearrange cash flow (reduce 529 contributions after the last child enrolls, stop paying down a low-rate mortgage early) to maximize contributions during those exact four years.

Dual-income household maximums by age bracket

The table below shows the maximum annual contributions for a dual-income family where both spouses participate in 401(k) plans at an employer with 26+ employees:

For families who felt capped at roughly $73K/year in combined tax-advantaged space in their 40s, the catch-up years open up nearly $100K annually — a 37% increase at the 60–63 peak. Families earning $300K–$500K who are in the final 10-year sprint to retirement often find this the most productive planning lever available.

Priority sequence for catch-up contributions

Catch-up space extends the same priority stack — it doesn't change it:

1. 401(k) to employer match — always first, regardless of age
2. HSA to family max + catch-up — $8,750 family + $1,000 per spouse age 55+ (in separate accounts); triple tax advantage makes this second priority
3. Roth IRA to full catch-up limit ($8,600 each) — or backdoor Roth if household income exceeds phase-out ($242K–$252K MFJ 2026)
4. 401(k) to employee max — $32,500 (ages 50–59) or $35,750 (ages 60–63)
5. 529 for remaining college-bound children — after retirement is funded; catch-up contributions reduce the urgency
6. Taxable brokerage — for wealth beyond tax-advantaged space; focus on asset location and the 0% LTCG bracket

IRA catch-up at high incomes: the backdoor Roth extension

Families with household income above the Roth IRA phase-out ($242K–$252K MFJ 2026) can still use the catch-up via the backdoor Roth strategy. The $1,100 catch-up applies on top of the standard $7,500 limit — meaning each spouse 50+ can contribute $8,600 to a non-deductible traditional IRA and immediately convert it to Roth.

Two earners, both 50+, both doing backdoor Roth: $17,200/year in Roth contributions regardless of household income. Because the non-deductible contribution has a cost basis equal to the full amount, the conversion is tax-free (assuming no pre-existing pre-tax IRA balance — see the pro-rata rule).

HSA catch-up: small amount, outsized tax efficiency

The HSA catch-up of $1,000/year (age 55+) looks modest against 401(k) catch-ups — but the triple tax advantage makes every dollar disproportionately valuable. 401(k) withdrawals are taxed as ordinary income; HSA withdrawals for qualified medical expenses are never taxed.

Important mechanics for families: both spouses can each contribute the $1,000 catch-up, but each must maintain a separate HSA. The $8,750 family coverage limit covers shared health expenses, but catch-up contributions require individual accounts. Total household HSA capacity when both spouses are 55+: $10,750.

The strategy: invest HSA contributions, save receipts for every out-of-pocket medical expense, and reimburse yourself tax-free in retirement when you need cash. The HSA strategy guide covers implementation in detail.

How catch-up contributions interact with other 50s-era planning decisions

Catch-up contributions don't exist in isolation. For families in their 50s, several decisions interact simultaneously:

• Roth conversions and catch-up contributions can work against each other. Maximizing traditional 401(k) contributions reduces taxable income today, while Roth conversions add taxable income. If your plan is to do large conversions in your 60s, the deduction value of traditional catch-ups is limited. A fee-only advisor models the combined multi-year tax trajectory.
• Social Security timing and the bridge income gap. If you plan to delay claiming to age 70 (maximizing the survivor benefit for your spouse), you need income to live on from retirement to 70. Larger tax-deferred balances from catch-up contributions can fund that bridge — but withdrawals are fully taxable, potentially pushing MAGI above the IRMAA first-tier threshold of $218,000 MFJ in 2026.²
• 529 wind-down frees capacity. Once your youngest finishes college, monthly 529 contributions stop. That cash flow — often $500–$2,000/month — can be redirected to 401(k) catch-up contributions, fully funding the catch-up limit in two to four years after the last tuition bill.
• The Roth catch-up requirement may actually improve long-term outcomes. If you're required to make catch-up contributions as Roth because you earned above $150,000, those contributions won't be subject to RMDs. For families that are likely to have significant traditional 401(k) balances, stacking Roth catch-ups reduces the RMD burden that would otherwise arrive in your mid-70s at potentially higher rates.