W&W ToolBox

Real calculators, not lead-gen forms dressed up as free advice. Everything here runs entirely in your browser – nothing you enter gets sent anywhere, and your numbers stay saved locally until you clear them yourself. No account, no email required, no catch.

Debt payoff calculators
Debt Avalanche Calculator

Highest interest rate first, for the least total interest paid.

Debt Snowball Calculator

Smallest balance first, for the momentum that keeps you going.

Savings calculators
Emergency Fund Calculator

Enter your real expenses, pick a target, and see how many months you’re covered for and how long the rest will take.

Budgeting calculators
50/30/20 Budget Calculator

See your target breakdown for 50/30/20, 60/20/20, or 70/20/10, and grade your real spending against it.

Credit calculators
Credit Utilization Calculator

See your overall utilization and find out which specific card is actually hurting your score.

Real estate calculators
Mortgage Calculator

See your real monthly payment, when PMI drops off, and what a half-point rate difference actually costs you.

House Affordability Calculator

See what you can actually afford vs. what a lender might approve you for, and the real gap between them.

Investing calculators
Compound Interest Calculator

See what starting sooner is actually worth, run through real numbers, not a slogan.

More coming
More free calculators are in the works – check back soon
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