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Clarity before commitment

Financial Decision Tools and Calculators for Major Money Choices

Use independent financial calculators, decision tools, and practical guides to compare outcomes before committing.

Browse decision toolsBrowse calculators
/No black boxes/No hidden incentives/Clarity over complexity/Not financial advice
Start where you are

Choose the workflow that matches the size of the decision in front of you.

Full decision01

I am making a major decision

Use a full comparison when cost, timing, taxes, or lifestyle tradeoffs can change the recommendation.

Typical output
Recommendation, gap, sensitivities, breakpoints
  • Best for housing, job, debt, and retirement tradeoffs
  • Shows recommendation, breakdown, and scenario logic
  • Built for bigger decisions, not one-off calculations
Start with a decision engine
Focused check02

I just need a fast math check

Use a focused calculator when you want to validate a number before diving into a full scenario.

Signal
Payment, growth, inflation, income, progress
  • Best for loan payments, growth, inflation, and salary math
  • Fewer inputs and faster answers
  • Useful before or during a decision workflow
Start with a calculator
How It Works

Answer the question in layers: pick the right tool, tune the assumptions, then stress-test the outcome.

A short workflow, with enough transparency to understand what changes the result.

  1. 01

    Choose a Decision Engine

  2. 02

    Adjust your assumptions

  3. 03

    Explore scenario outcomes

  4. 04

    Understand the trade-offs

  5. 05

    Decide with confidence

Concrete tools

Financial Decision Tools

Built on deterministic financial math powered by ratejs.

View all decision tools
Featured engineHousing8 min

Buy vs Rent

Housing cost projection, opportunity cost, and break-even timeline.

Typical inputs

  • Price and down payment
  • Rent and growth
  • Rates, taxes, and fees
  • Holding period

What you get back

Financial gap, breakeven point, and sensitivity to rates, taxes, rent, and appreciation.

Open decision ->

Career

Job Offer

Compare two offers once commute drag, growth, taxes, and equity start changing the answer.

Retirement

Retirement

Pressure-test a target retirement age or find the earliest age your current plan can support.

Debt

Debt Strategy

Choose a payoff order with payoff dates, promo APRs, and monthly budget sensitivity in view.

Fast supporting checks

Support the big decisions with quick checks

Use the calculator suite to estimate mortgage payments, inflation drag, loan progress, contractor break-even points, and investment growth without leaving the product.

4 minMortgage Payment4 minSalary vs Contractor3 minRetirement Number
Browse financial calculators
Practical guides

Guides for Better Decisions

Guides built to support broader search intent around housing, debt, career decisions, and how to use calculators well.

Browse all guides

Housing Guide

How to Use a Mortgage Calculator Before You Buy

Learn how to use a mortgage calculator to test down payment, rate, amortization, and payment frequency before making a housing decision.

6 min read

Decision Guide

How to Compare Buying vs Renting Without Fooling Yourself

Use a buy vs rent framework that includes time horizon, opportunity cost, housing friction, and renter investing instead of comparing only monthly payment.

7 min read

Debt Guide

Debt Snowball vs Avalanche: Which Payoff Strategy Fits You?

Compare debt snowball and debt avalanche methods by interest savings, payoff speed, motivation, and execution risk before choosing a payoff strategy.

5 min read

Trust framework

Calm tools for decisions that rarely feel calm.

Money Wizards stays in the decision-support lane: readable assumptions, no performance promises, and no hidden incentives.

Better tools - Better decisions - More freedom.

Explore toolsPrivacy
  • No black boxes
  • No hidden incentives
  • Clarity over complexity
  • Not financial advice