Retirement tools and guides
Work through withdrawals, contributions and Roth decisions with visible assumptions and dated sources.
Last reviewed Methodology and sources
Choose your question
Plan a withdrawal
Choose the result you want to solve for.
Explore a starting balance
Different spending questions, with editable calculators and comparison tables.
Project plan contributions
Account growth with a separate, dated 2026 contribution reference.
Understand a Roth conversion
Separate the tax comparison from the timing and distribution rules.
Compare withdrawal approaches
Learn what a spending rule does and what a model cannot establish.
Methods and site information
Check the sources, scope and operator before relying on a result.
Return and spending examples are assumptions. Educational information, not financial or tax advice.