Roth IRA Calculator

Display currencyFormatting only. This does not change the calculation.

What do you want to work out?

Tax yearLimits and phase-out ranges are set annually by the IRS; pick the year you are contributing for.

Filing status

Modified AGI for Roth IRA purposes (USD)Publication 590-A Worksheet 2-1 figure - not simply your gross pay.

Your age

Taxable compensation for the year (USD)You cannot contribute more than you earned. A spousal contribution uses the couple’s combined compensation.

Contributions already made to other IRAs this year (USD)Traditional IRA contributions share the same annual limit.

Current Roth IRA balance (USD)

Amount you plan to contribute each year (USD)

Cap the contribution at this year’s allowed amount

Age you plan to retire

Expected annual return (%)Your own assumption. Nothing here forecasts a market return.

Marginal tax rate on investment income now (%)Used only for the comparison account: the rate a taxable account would pay on each year’s growth.

Expected tax rate in retirement (%)Used only to show what the same balance would be worth in a pre-tax account.

Roth balance at retirement

661,225.50

Roth IRA Calculator

Roth contribution allowed this year

7,500.00

Statutory limit including catch-up

7,500.00

Age-50 catch-up included

0.00

Phase-out begins at MAGI

153,000

Phase-out complete at MAGI

168,000

Eligibility

Full contribution of 7500 allowed for 2026.

Total contributed

210,000.00

Investment growth

451,225.50

Same money in a taxable account

503,534.92

Roth advantage over a taxable account

157,690.59

Same balance in a pre-tax account, after retirement tax

515,755.89

Years invested

Worked out from IRS Publication 590-A, Contributions to Individual Retirement Arrangements (IRAs), chapter 2 - Table 2-1 and Worksheet 2-2, Determining Your Reduced Roth IRA Contribution Limit and 4 other sources.

The contribution is held flat for all 30 years. The IRS raises the limit for inflation most years, so a real saver would contribute more later.

The pre-tax comparison holds the contribution the same in both accounts, so it ignores the up-front deduction a traditional contribution gives you and the return on investing that deduction.

An estimate from published IRS limits, not tax advice. It does not test whether a distribution is qualified, model state tax, or apply the saver’s credit. Confirm your own modified AGI figure with Publication 590-A Worksheet 2-1.

How this is worked out

8 steps

Tax year 2026: the IRA dollar limit is 7500, so the statutory limit is 7500.
Worksheet 2-2 line 6 = min(statutory limit, taxable compensation) = 7500.
Phase-out range for this filing status: 153000 to 168000 of modified AGI (IRS Notice 2025-67, section 408A(c)(3)(A) paragraph).
Modified AGI is at or below the start of the range, so the full limit is available.
Each year the balance grows at 7% and then takes the 7000 contribution: balance = balance x 1.07 + 7000.
After 30 years the Roth holds 661225.5, of which 451225.5 is growth that is never taxed if the distribution is qualified.
A taxable account paying 22% on each year’s growth compounds at 5.46% instead, reaching 503534.92.
The same balance held pre-tax and withdrawn at 22% would be worth 515755.89 after tax.

Year-by-year projectiontable

year	age	contribution	rothBalance	taxableBalance
1	36	7,000	7,000	7,000
2	37	7,000	14,490	14,382.2
3	38	7,000	22,504.3	22,167.47
4	39	7,000	31,079.6	30,377.81
5	40	7,000	40,255.17	39,036.44
6	41	7,000	50,073.04	48,167.83
7	42	7,000	60,578.15	57,797.79
8	43	7,000	71,818.62	67,953.55
9	44	7,000	83,845.92	78,663.82
10	45	7,000	96,715.14	89,958.86
11	46	7,000	110,485.2	101,870.62
12	47	7,000	125,219.16	114,432.75
13	48	7,000	140,984.5	127,680.78
14	49	7,000	157,853.42	141,652.15
15	50	7,000	175,903.15	156,386.36
16	51	7,000	195,216.37	171,925.05
17	52	7,000	215,881.52	188,312.16
18	53	7,000	237,993.23	205,594
19	54	7,000	261,652.75	223,819.44
20	55	7,000	286,968.45	243,039.98
21	56	7,000	314,056.24	263,309.96
22	57	7,000	343,040.17	284,686.68
23	58	7,000	374,052.99	307,230.58
24	59	7,000	407,236.7	331,005.37
25	60	7,000	442,743.26	356,078.26
26	61	7,000	480,735.29	382,520.13
27	62	7,000	521,386.76	410,405.73
28	63	7,000	564,883.84	439,813.89
29	64	7,000	611,425.7	470,827.72
30	65	7,000	661,225.5	503,534.92

Results are general information, not financial, tax, legal, medical or engineering advice.