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planin30

Planning tool collection

Financial calculators for long-term decisions

Retirement, college, home buying, investment property — all in one place.

These tools are for long-horizon decisions that compound over decades. Each calculator models real-world tax rules, regional cost variation, and the second-order effects most simple online calculators ignore — RMDs (required minimum distributions), sequence-of-returns risk, PMI (private mortgage insurance), opportunity cost, the works.

Every tool runs entirely in your browser. No spreadsheets to download, no wealth-management firm to call. Save your scenarios, compare side-by-side, and share the plan with your spouse, your accountant, or your future self.

Retirement & long-term money

Retirement, education, financial independence, and longer-horizon wealth decisions.

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Home & car decisions

Compare expensive choices where timing, financing, and tradeoffs matter.

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Related planning guides

Worked examples and explainers connected to these tools.

View all 18 guides

Start from the decision, not the tool type

Browse every calculator, planner, and decision tool organized around the part of life you are planning.

Browse all planning tools