Educational guide to forms and records commonly used when reviewing a Roth conversion estimate. Use it to prepare a CPA review package, not as tax filing instructions.
4 record groups12 records
Conversion Reporting Forms
Understand forms commonly associated with the conversion transaction itself.
3 items
Form 1099-R
Reports distributions from retirement accounts, which may include amounts converted to a Roth IRA.
Review note: Review distribution codes and gross distribution amounts with tax software or a CPA.
Calculator link: conversionAmount
Form 5498
May report Roth IRA conversion contributions and IRA fair market value information.
Review note: This form often arrives after filing season, so keep custodian records and confirm timing.
Calculator link: conversionAmount
Roth conversion confirmation
Custodian confirmation showing what actually moved into the Roth IRA.
Review note: Compare confirmations with calculator assumptions and year-end tax forms.
Calculator link: conversionAmount
Basis and Taxable Amount Records
Support the after-tax basis and taxable conversion assumptions used by the calculator.
3 items
Form 8606
Commonly used to report nondeductible IRA contributions, basis, and certain conversion information.
Review note: Do not guess basis; reconcile Form 8606 history before relying on a taxable conversion estimate.
Calculator link: basis
Prior-year tax returns
Can contain prior Form 8606 filings, nondeductible contribution records, and carryforward basis information.
Review note: Bring prior returns to professional review when basis is uncertain.
Calculator link: basis
Nondeductible IRA contribution records
Support after-tax money that may reduce the modeled taxable conversion amount.
Review note: Confirm whether records are complete and whether aggregation rules apply.
Calculator link: basis
Custodian and Account Documents
Tie calculator account values to real-world account balances and transaction records.
3 items
Traditional IRA statements
Show current account value used in simplified pro-rata basis modeling.
Review note: Include rollover, SEP, and SIMPLE IRA balances where relevant for professional review.
Calculator link: traditionalIraBalance
Year-end fair market value statements
Help reconcile account values used for tax reporting and pro-rata discussions.
Review note: Use year-end values carefully because calculator input may use a current estimate.
Calculator link: traditionalIraBalance
Withholding confirmation
Documents any amount withheld from an IRA distribution for taxes.
Review note: Review whether withholding changes the amount converted and any penalty assumptions.
Calculator link: taxPaymentMethod
Professional Review Package
Bundle calculator output with documents that help a CPA review the scenario.
This Roth Conversion Calculator is for educational and illustrative purposes only. It does NOT constitute tax, financial, legal, or investment advice. The calculation results are based on the information you provide and the latest IRS tax rules, which are subject to change. We do not guarantee the accuracy of the results. Please consult a licensed Certified Public Accountant (CPA), financial advisor, or tax professional before making any financial decisions.