Young Wise and WealthyYoung Wise and Wealthy

Tools

Numbers in, numbers out.

Each one is wired to the page that explains it. The money calculators come first, then the corporate finance ones from the technicals track. Nothing you type is sent anywhere.

Money

01

Compound Interest

Model contributions, rate, and time. See growth split from contribution.

Related topic: investing

02

Loan Amortization

Monthly payment, full schedule, interest saved by paying extra.

Related topic: credit and debt

03

Tax Brackets (US 2025)

Bracket-by-bracket breakdown of federal tax owed on a salary.

Related topic: taxes

04

Net Worth Tracker

Track assets and liabilities locally. Nothing leaves your browser.

Related topic: mindset

05

Financial Independence

Turn a savings rate into a number and a date. See the year work becomes optional.

Related topic: mindset

06

Debt Payoff Planner

List every debt, pick snowball or avalanche, and see the payoff date and total interest.

Related topic: credit and debt

07

Rent vs Buy

Compare buying and renting as net worth over time, with the year buying pulls ahead.

Related topic: real estate

08

Savings Goal Planner

Name a goal, set a monthly amount, and see the month you hit it, with interest counted.

Related topic: budgeting

Technicals

Corporate finance calculators from the technicals track. Harder material, same rule: every derived number shows its formula.

09

Statement Linkage Simulator

Watch a transaction move through all three statements, in order, with a live balance check and a quiz mode.

Related lesson: Accounting

10

DCF Sandbox

A five-year discounted cash flow on filed numbers, with a sensitivity grid and the terminal value share called out.

Related lesson: Valuation

11

WACC and Beta Workbench

CAPM, a comp set unlevered row by row, relevered at your capital structure, weighted at market value.

Related lesson: Valuation

12

Comps Builder

Build a comparable company set, compute the multiples, and apply the quartiles to a target.

Related lesson: Valuation

13

Football Field

Every method as a horizontal range, with the current share price drawn through it.

Related lesson: Valuation

14

LBO Quick Model

Sources and uses, debt paydown, IRR and MoIC, and a returns bridge that adds up.

Related lesson: Modeling

15

Accretion / Dilution

Pro forma EPS for an acquisition, the breakeven synergy, and where the P/E rule of thumb fails.

Related lesson: Modeling

16

Bond Price and Yield

Price from yield, yield from price, duration and convexity, and a curve you can drag along.

Related lesson: Markets

17

Options Payoff Visualizer

Payoff and profit at expiry for calls, puts, spreads, and straddles, with break-evens marked.

Related lesson: Markets