IRA to Roth IRA

That's exactly what I have been doing... my tax rate will be low from now until I start my pension and SS so I have been doing conversion to the top of the 15% tax bracket and paying ~10% of the converted amount in federal income tax. It is less than 15% because before Roth conversions our income is principally qualified dividends and capital gains and those are less than our deductions and exemptions so a portion of the Roth conversion is taxed at 0%, a portion at 10%, and a portion at 15% and that averages out to ~10%.

You can get a good idea of the impact by modeling it out in Taxcaster or TurboTax.

Be aware though that if you do too much and exceed the top of the 15% tax bracket that the incremental tax is onerous... about 30%... but that can easily be overcome but recharacterizing any excess above the top of the 15% tax bracket. The past couple years I have done my tax return and then recharacterized an amount sufficient so my taxable income is exactly the top of the 15% tax bracket.

I-orp would have me convert much more but I don't see the wisdom in doing that... I'm just not a believer.

+1 to everything said, including the comment about I-orp. I'm using the same strategy but used tax software to model returns, including modeling conversions while delaying SS until 70 as well as start of RMD's, to end of PF life. Fortunately, I don't need the ACA so don't have to worry about that complication.
 
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Yes, we are also following this path. In our case, tIRA to Roth IRA are our only "reported income" and we convert only about 21-22k each year until 65.

The ACA subsidy PLUS cost sharing benefit (only available on Silver Plans) is substantial, in our case we pay only 30/mo with max OOP 900/year and have a better/more comprehensive plan than we had with decades of corporate health plan coverage (plus the payroll deductions were close to 400/month)

The actual "tax bite" from the 21-22k is minimal or close to zero as with a standard deduction for MFJ, no other income.

We do not plan on filing for SS until FRA.

Just curious and not looking for specifics,,,,but what do you use to pay your bills? Do you maintain a large cash bucket?

I only ask cuz I am in the situation where I am already retired and my wife retires later this year and we will be on an ACA plan. I crunched the numbers and could get a plan similar to yours, but would need to do away with my muni bond income and live primarily on cash until our pensions and SS kick in a few years from now.

My muni bond income (while reportable when figuring ACA subsidies) helps pay current bills and we would need to max out the deductible and OOp expenses every year on a silver plan to make it worthwhile to reduce AGI below $30,000/year. Just curious how you meet current expenses?
 
In my situation, I've had to balance the value of Roth IRA conversions against the value of an ACA subsidy. Right now I'm just doing enough Roth IRA conversion to get us to the optimal subsidy level. Other than some dividends and interest, it's our only income, so I can dial it in pretty accurately. When I convert to Medicare at 65 I'll ramp up the conversions to the top of the 15% bracket.
i-orp, mentioned earlier, will model the tax consequences of including ACA and conversions in the same plan.
 
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