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Should I do a Roth conversion in a low-income year?

Retirement & 401(k)intermediate3 answers · 4 min readUpdated February 28, 2026

Quick Answer

Yes, a low-income year is often ideal for Roth conversions because you pay taxes at lower rates. If your income drops from $100,000 to $50,000, converting $25,000 from traditional to Roth saves roughly $3,750 in taxes (22% vs 12% bracket) compared to converting in a high-income year.

Best Answer

MR

Marcus Rivera, Compensation & Benefits Analyst

Workers experiencing temporary income reduction due to job loss, sabbatical, or career transition

Top Answer

Why low-income years are perfect for Roth conversions


A low-income year creates a "tax arbitrage" opportunity. You're temporarily in a lower tax bracket, so converting traditional retirement funds to Roth costs less in taxes than it would in a typical year.


The key insight: you pay conversion taxes at today's lower rate, then enjoy tax-free withdrawals in retirement when you might be in a higher bracket again.


Example: $100,000 earner taking a sabbatical


Let's say you normally earn $100,000 (22% tax bracket) but take a sabbatical and only earn $40,000 this year:


Normal year conversion cost:

  • Converting $30,000: $6,600 in taxes (22% rate)
  • Remaining in 22% bracket

  • Low-income year conversion cost:

  • Converting $30,000: $3,600 in taxes (12% rate)
  • Tax savings: $3,000 (45% less than normal year)

  • How much should you convert?


    The sweet spot is usually converting up to the top of your current tax bracket without pushing yourself into the next one.



    Key factors to consider


  • Future tax rates: If you expect higher taxes in retirement, convert more now
  • Available cash: You need money outside retirement accounts to pay conversion taxes
  • Time horizon: Conversions work best when you have 5+ years until needing the money
  • State taxes: Factor in state income tax on conversions

  • What you should do


    1. Calculate your current tax bracket with reduced income

    2. Determine how much you can convert without jumping brackets

    3. Ensure you have cash to pay the conversion taxes

    4. Consider spreading large conversions over multiple low-income years


    Use our paycheck calculator to model how a conversion affects your current-year tax liability and plan accordingly.


    Key takeaway: Converting $25,000 in a 12% bracket year versus a 22% bracket year saves $2,500 in taxes - that's a 45% discount on your conversion cost.

    *Sources: [IRS Publication 590-A](https://www.irs.gov/pub/irs-pdf/p590a.pdf), [IRC Section 408A](https://www.law.cornell.edu/uscode/text/26/408A)*

    Key Takeaway: Low-income years offer a 30-50% discount on Roth conversion taxes compared to high-income years, making it an optimal time to convert traditional retirement funds.

    Tax savings from converting $30,000 in different income scenarios

    Current IncomeTax BracketConversion Tax Costvs. Normal Year Savings
    $25,00012%$3,600$3,000 saved (vs 22%)
    $40,00012%$3,600$3,000 saved (vs 22%)
    $75,00022%$6,600Baseline comparison
    $150,00024%$7,200$600 additional cost

    More Perspectives

    MR

    Marcus Rivera, Compensation & Benefits Analyst

    High-income professionals who rarely experience low-income years but want to maximize the opportunity when it occurs

    Maximizing conversions for high earners


    As a high earner, you're usually in the 24%, 32%, or even 37% tax bracket. A temporary drop to the 22% bracket or lower is rare and valuable.


    Aggressive conversion strategy:

    If you normally earn $200,000 (32% bracket) but have a $80,000 year, you could convert up to $23,350 more at just 22% - a 10 percentage point savings.


    Example conversion:

  • Convert $40,000 at 22% rate = $8,800 in taxes
  • Same conversion at your usual 32% rate = $12,800 in taxes
  • Savings: $4,000 (31% less than normal)

  • Consider mega conversions


    High earners might consider converting larger amounts, even if it pushes them into the next bracket, because:

  • You're used to high tax rates anyway
  • The long-term tax-free growth benefit is substantial
  • You likely have cash available to pay conversion taxes

  • Strategic considerations


  • Stock option exercises: Time ISO exercises with conversions for maximum tax efficiency
  • Charitable giving: Pair conversions with charitable deductions to offset income
  • Multi-year planning: Spread mega conversions across several years if the low-income period extends

  • Key takeaway: High earners can save $3,000-$5,000+ in taxes on a $40,000 conversion during low-income years - money that compounds tax-free for decades.

    Key Takeaway: High earners can save $3,000-$5,000+ in taxes on a $40,000 conversion during low-income years compared to their normal tax brackets.

    SC

    Sarah Chen, Payroll Tax Analyst

    Workers within 5-10 years of retirement who may have lower income due to reduced hours or early retirement

    Pre-retirement conversion strategy


    If you're 55-65 and experiencing lower income before full retirement, this is often your last best chance for tax-efficient Roth conversions.


    The retirement tax trap:

    Many retirees are surprised to find themselves in high tax brackets due to:

  • Required minimum distributions (RMDs) starting at 73
  • Social Security becoming taxable
  • Pension income
  • Medicare premium surcharges (IRMAA)

  • Example: Early retirement conversion

    Age 62, retired early, living on savings:

  • Current income: $25,000 (10-12% brackets)
  • Normal retirement income projection: $75,000 (22% bracket)
  • Conversion opportunity: Convert $35,000 at 12% now vs. 22% later
  • Tax savings: $3,500 on this conversion alone

  • Timeline considerations


  • 5-year rule: Converted funds must stay in Roth for 5 years to avoid penalties
  • Bridge strategy: Use conversions to bridge the gap between early retirement and Social Security
  • IRMAA planning: Keep future income below Medicare surcharge thresholds ($103,000+ for 2026)

  • What to convert first


    1. Traditional IRA funds (most flexible)

    2. Old 401(k) rollovers

    3. Current employer 401(k) (if plan allows in-service distributions)


    Key takeaway: Pre-retirees in low-income years can lock in 10-12% tax rates on conversions, avoiding 22%+ rates that often occur in retirement due to RMDs and Social Security.

    Key Takeaway: Pre-retirees can lock in 10-12% tax rates on conversions now, avoiding the 22%+ rates that often occur in retirement due to RMDs and Social Security taxation.

    Sources

    roth conversiontax strategyretirement planninglow incometax brackets

    Reviewed by Marcus Rivera, Compensation & Benefits Analyst on February 28, 2026

    This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.