Financial Calculators

Every calculator FulcrumWise offers, in one place. Each one runs entirely in your browser — nothing you type is ever sent to a server — and covers a specific decision on the path to financial independence, from housing to debt to your FI date.

Housing & Investments

Rent vs. Buy

Analyze the full financial picture of renting versus owning a home.

FI Impact of Housing

See how renting vs. buying affects your FI timeline.

Home Affordability

Determine a comfortable home budget based on your income, debts, and down payment.

Mortgage Calculator

Estimate your monthly mortgage payment and see a detailed amortization schedule.

Buy vs. Stay

Compare the long-term financial impact of selling your current home to buy a new one versus staying where you are.

Refinance Break-Even

The refinance break-even, without hiding what a longer term actually costs.

Financial Independence

Coast FI / Inflection Points

Visualize key milestones like Coast FI and when your money starts making more than you do.

When Can I Retire?

Project your path to financial independence and see when you can call it a career.

FI Planner

Set a target retirement date and see the savings rate required to hit your goal.

Savings Rate Calculator

Understand what percentage of your income you're saving and how it impacts your goals.

Compound Interest

Visualize how your savings can grow over time with the power of compound interest.

Barista FIRE

How much sooner part-time work lets you quit full-time — not just a smaller number.

ACA Subsidy & Cliff

See your ACA subsidy and how close you are to the 400%-of-FPL cliff.

Withholding Catch-Up

See if your withholding is on track, and by when a shortfall needs fixing.

Debt & Habits

Debt Payoff Calculator

Compare the Avalanche and Snowball methods to find your fastest path out of debt.

The True Cost of a Habit

See how small daily expenses, like that coffee, add up to significant sums over time.