Free tools
Money math, minus the spreadsheet.
Simple, free calculators for the money questions that actually come up — no sign-up, no catch, nothing saved. Each one is an estimate to build intuition and pairs with a plain-English explainer, not individualized advice.
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01
Compound interest calculator
Watch a starting balance and a monthly contribution grow, and see how much of the total is your own money versus interest earning interest.
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02
Mortgage calculator
Estimate the monthly principal-and-interest payment on a fixed-rate home loan — and the total interest you’d pay over the term.
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03
Retirement savings calculator
Project the nest egg your current savings plus steady monthly contributions could grow into by the age you’d like to retire.
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04
Savings goal calculator
Set a target and find out roughly how long it takes to get there from what you’ve saved and what you add each month.
From the newsroom
The latest
All newsA deletion request is now a standing instruction
Since August 1, a California deletion request has been a standing instruction rather than a one-time message: brokers must keep deleting every 45 days, and the bar on selling you again has fewer ways out than the duty to delete.
PJM's power auction bought less generation at its price cap
PJM's own auction reports, read in one column: the price of scarcity climbed toward its ceiling while the new generation it bought fell to a few hundred megawatts, and PJM has asked FERC to stop counting some of the demand behind that climb.
Nine appliance rules took DOE's shortcut in fourteen months
A Fifth Circuit ruling on one appliance rule turns on a mandatory off-switch DOE never pulled: one of nine standards set the same way, with DOE's own reasoning laid out across two documents.
One brief — business and money, minus the boredom.
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