Roth IRA Calculator 2026

How a Roth IRA Works Differently from a Traditional IRA

The Roth IRA and the traditional IRA are both individual retirement accounts, but they operate on fundamentally opposite tax principles. With a traditional IRA, you contribute pre-tax or tax-deductible dollars, meaning the contribution reduces your taxable income in the year you make it. The money grows tax-deferred, and you pay ordinary income tax on every dollar you withdraw in retirement. A Roth IRA flips this sequence entirely. Contributions are made with after-tax money, so you receive no tax deduction in the contribution year. In exchange, the money grows completely tax-free, and qualified withdrawals in retirement are also completely tax-free. Not tax-deferred, not tax-reduced, but entirely exempt from federal income tax.

This distinction has profound implications over a multi-decade savings horizon. Consider a worker who contributes $7,000 per year to a Roth IRA from age 25 to age 65, earning an average annual return of 7%. By retirement, the account would hold approximately $1.5 million. Because it is a Roth, every dollar of that $1.5 million can be withdrawn without owing a penny in federal income tax. If the same contributions had gone into a traditional IRA with identical returns, the balance would be the same $1.5 million, but withdrawals would be taxed as ordinary income. At a 22% effective rate in retirement, the traditional IRA holder would lose roughly $330,000 to taxes over the course of their withdrawals. This is the core mathematical advantage of the Roth IRA: you pay taxes on the seed, not the harvest. For a side-by-side projection of how both account types grow, our traditional IRA calculator lets you compare the two paths directly.

Income Limits for Roth IRA Contributions

Unlike a 401(k), which has no income restriction on who can contribute, the Roth IRA imposes income limits that restrict or eliminate direct contributions for higher earners. For the current tax year, single filers with a modified adjusted gross income below $150,000 can contribute the full $7,000 annual maximum ($8,000 if age 50 or older). Between $150,000 and $165,000, the contribution limit phases out proportionally. Above $165,000, direct Roth IRA contributions are prohibited entirely. For married couples filing jointly, the phase-out range is $236,000 to $246,000.

These income limits catch many workers by surprise, particularly in high-cost, high-salary markets like New York and California where salaries in the $150,000 to $200,000 range are common for mid-career professionals. A software engineer, a physician in training, or a marketing director in a major metro area may find themselves phased out of Roth IRA eligibility relatively early in their career. The phase-out is calculated based on modified adjusted gross income, which includes not just salary but also bonuses, freelance income, rental income, and certain other sources. Our income tax calculator can help you estimate your MAGI and determine whether you fall within the Roth contribution window.

The Backdoor Roth IRA Strategy for High Earners

The backdoor Roth IRA is a perfectly legal strategy that allows high earners who exceed the income limits to get money into a Roth IRA through a two-step process. First, you contribute to a traditional IRA. There is no income limit on making nondeductible traditional IRA contributions, meaning anyone with earned income can put money into a traditional IRA regardless of how much they make. Second, you convert the traditional IRA to a Roth IRA. There is likewise no income limit on Roth conversions. The combination of these two steps achieves the same result as a direct Roth contribution would have, routing after-tax money into a Roth account where it grows and is eventually withdrawn tax-free.

The critical complication with the backdoor Roth strategy is the pro-rata rule. If you have any pre-tax money in any traditional, SEP, or SIMPLE IRA accounts, the IRS treats all of your IRA balances as a single pool for purposes of calculating the taxable portion of a conversion. For example, if you have $93,000 in a rollover traditional IRA from a former employer's 401(k) and you make a $7,000 nondeductible contribution to a separate traditional IRA, your total IRA balance is $100,000, of which $93,000 is pre-tax and $7,000 is after-tax. If you convert $7,000 to a Roth, the IRS considers 93% of that conversion to be pre-tax money and only 7% as after-tax. This means $6,510 of your $7,000 conversion would be taxable income. The workaround is to roll all existing pre-tax IRA balances into your current employer's 401(k) plan before executing the backdoor conversion, which removes the pre-tax money from the pro-rata calculation and makes the conversion fully or nearly tax-free.

The Roth Conversion Ladder for Early Retirement

The Roth conversion ladder is an advanced strategy used primarily by early retirees who want to access traditional retirement account funds before age 59 and a half without paying the 10% early withdrawal penalty. The strategy works by converting a portion of traditional IRA or 401(k) funds to a Roth IRA each year. The converted amount is taxable as ordinary income in the year of conversion, but once it has been in the Roth for five years, it can be withdrawn penalty-free regardless of the account holder's age. By converting a manageable amount each year, an early retiree can create a pipeline of accessible funds that become available on a rolling five-year basis.

For this strategy to work effectively, the early retiree needs a bridge of liquid assets or taxable investment accounts to cover living expenses during the initial five-year waiting period before the first converted dollars become accessible. Many early retirement practitioners use a combination of taxable brokerage accounts, savings, and Roth IRA contributions (which can always be withdrawn penalty-free at any time since they were made with after-tax money) to bridge this gap. The conversion amounts should be sized to stay within low tax brackets, ideally converting just enough each year to fill the standard deduction and the 10% or 12% federal bracket. This minimizes the tax cost of conversions while building a substantial pool of tax-free Roth dollars for later years.

Why Younger Workers Should Strongly Favor Roth Accounts

Workers in their twenties and early thirties are in a uniquely favorable position to benefit from Roth contributions, and the reasons extend beyond the simple expectation of higher future tax rates. First, younger workers tend to be in lower tax brackets because they are earlier in their careers. Paying taxes on contributions at a 12% or 22% marginal rate and then withdrawing the money decades later when they might be in the 24% or 32% bracket produces a clear mathematical win. Second, younger workers have the longest time horizon for tax-free compounding to work its magic. A $7,000 Roth IRA contribution made at age 25 has 40 years to grow before age 65. At 7% annual returns, that single contribution grows to approximately $105,000, all of it tax-free.

Third, tax rates in the United States are historically low by most measures. The current top federal rate of 37% is well below the 50% to 70% top rates that prevailed for much of the twentieth century. With federal debt growing and entitlement spending projected to increase, many tax policy experts believe rates are more likely to rise than fall over the coming decades. Roth contributions made today lock in current tax rates permanently, providing a hedge against future rate increases that traditional accounts do not offer. Young workers who contribute to Roth accounts now may look back in thirty years and realize they paid taxes at what turned out to be generationally low rates. For a comprehensive comparison of how Roth and traditional accounts stack up at different income levels and tax scenarios, our 401(k) vs Roth IRA guide walks through the decision framework in detail.

The Five-Year Rule and Its Variations

The Roth IRA's five-year rule is one of the most frequently misunderstood aspects of the account. There are actually two distinct five-year rules, and confusing them can lead to unexpected taxes or penalties. The first rule applies to earnings withdrawals. To withdraw earnings from a Roth IRA completely tax-free and penalty-free, two conditions must be met: you must be at least 59 and a half years old, and the Roth IRA must have been open for at least five tax years. The five-year clock starts on January 1 of the tax year for which you made your first Roth IRA contribution, regardless of when during the year you actually deposited the money. If you open and fund your first Roth IRA in April 2026 and designate the contribution for the 2025 tax year, the five-year clock started on January 1, 2025, and your earnings become fully accessible on January 1, 2030.

The second five-year rule applies specifically to converted amounts. When you convert traditional IRA money to a Roth IRA, the converted amount must remain in the Roth for five years before it can be withdrawn penalty-free if you are under age 59 and a half. Each conversion has its own five-year clock. This is particularly relevant for the Roth conversion ladder strategy discussed above, where early retirees convert portions of traditional accounts annually. Importantly, this second rule only applies to the early withdrawal penalty. If you are over 59 and a half, converted amounts can be withdrawn at any time without penalty regardless of how recently the conversion occurred. Understanding which five-year rule applies to your situation is essential for planning withdrawals correctly.

Using a Roth IRA as an Emergency Fund Backstop

One of the Roth IRA's most underappreciated features is its ability to function as a backstop emergency fund. Because Roth IRA contributions are made with after-tax money, the IRS allows you to withdraw your contributions at any time, for any reason, without paying taxes or penalties. This applies only to contributions, not earnings. If you have contributed $35,000 to your Roth IRA over the past several years and the account has grown to $50,000 through investment returns, you can withdraw up to $35,000 without any tax consequences. The remaining $15,000 in earnings would be subject to taxes and potentially penalties if withdrawn before meeting the age and five-year requirements.

This feature makes the Roth IRA particularly valuable for younger workers who are nervous about locking money away for decades. You can contribute to a Roth IRA each year knowing that in a genuine emergency, those contributions remain accessible. Meanwhile, the money is invested and growing tax-free rather than sitting in a savings account earning minimal interest. The ideal approach is to maintain a dedicated emergency fund in a high-yield savings account for three to six months of expenses, and then view the Roth IRA as a secondary safety net for catastrophic events that would exhaust the primary emergency fund. This layered strategy ensures liquidity for ordinary emergencies while maximizing long-term tax-free growth for retirement.

Comparing Roth IRA to Roth 401(k)

Both the Roth IRA and the Roth 401(k) offer tax-free growth and tax-free withdrawals, but they differ in several important ways. The most obvious difference is contribution limits. The Roth IRA allows $7,000 per year ($8,000 with the age 50 catch-up), while the Roth 401(k) permits $23,500 ($31,000 with catch-up). For workers who want to maximize their Roth savings, the 401(k) offers more than three times the capacity. Additionally, the Roth 401(k) has no income limits, meaning even workers earning $500,000 or more can make Roth 401(k) contributions directly. The Roth IRA, as discussed above, phases out for high earners and requires the backdoor strategy to access.

However, the Roth IRA holds several advantages that the Roth 401(k) cannot match. First, the Roth IRA offers unlimited investment choices, including individual stocks, bonds, mutual funds, ETFs, and other assets, while a Roth 401(k) limits you to the investment options your employer's plan provides. Second, the Roth IRA is not subject to required minimum distributions during the account holder's lifetime. The Roth 401(k), somewhat counterintuitively, was subject to RMDs until the SECURE 2.0 Act eliminated them starting in 2024. Third, the Roth IRA's contribution withdrawal flexibility described above does not exist in a Roth 401(k), where distributions before age 59 and a half are generally subject to more restrictive rules. For most workers, the optimal strategy is to use both accounts: contribute to the Roth 401(k) at work to take advantage of the higher limits and any employer match, then also fund a Roth IRA for the investment flexibility, withdrawal access, and estate planning benefits it uniquely provides. Use our compound interest calculator to model how different contribution levels across both accounts translate into long-term retirement wealth.