Private finance command center

Make money decisions with clean private calculators.

Mortgage, debt, savings, budgeting, and refinance tools that run in your browser with plain-English explanations behind the numbers.

Start with a calculator Explore scenarios

No account, no lead form, and no calculator inputs sent through a sign-up flow.

No account required
Browser-based inputs
Plain-English methods
Scenario examples
Last updated May 2026

Decision path

What are you trying to decide?

Start with the decision, then move to the calculator or example that matches the question in front of you.

Buy a home

Estimate a payment, then check whether the full housing cost still fits.

Mortgage Calculator See a $3,000 payment example

Compare renting vs buying

Model the tradeoff between rent, ownership costs, equity, and time horizon.

Rent vs Buy Review the assumptions

Pay off debt

Choose a payoff order and see how extra monthly cash changes the timeline.

Debt Payoff Use a three-card example

Save for a goal

Turn a target amount and deadline into a monthly savings number.

Savings Goal Read the savings guide

Build a budget

Use take-home income to pressure-test needs, wants, savings, and debt.

Budget Tool See a $5,000 budget

Refinance

Compare monthly savings, closing costs, break-even timing, and term reset risk.

Refinance Calculator Check a 1% rate drop

Grow money over time

Separate your contributions from estimated compounding over a longer timeline.

Compound Growth Model $500 per month

Calculator workspace

A private toolkit for the common money calls.

Each tool is visible, direct, and paired with a supporting scenario or guide when more context helps.

Home buying

Payment, ownership comparison, and refinance tradeoffs.

Mortgage Mortgage Calculator Monthly payment, total interest, amortization schedule, and extra payment analysis. Open tool Related scenario

Compare Rent vs Buy Compare renting and buying with appreciation, maintenance, and opportunity cost. Open tool Related scenario

Restructure Refinance Calculator Calculate break-even timing, monthly savings, and total refinance tradeoffs. Open tool Related scenario

Debt

Payoff sequence, interest savings, and debt-free timing.

Payoff Debt Payoff Compare avalanche and snowball payoff methods, timeline, and total interest. Open tool Related scenario

Strategy Debt Snowball Planner Build a payoff timeline with snowball or avalanche ordering and debt-free date estimates. Open tool Related scenario

Savings

Goal timelines, monthly contribution targets, and compounding.

Savings Savings Goal Find the monthly contribution needed to reach a target by a deadline. Open tool Related scenario

Growth Compound Growth See how savings and investments grow over time with contributions and return assumptions. Open tool Related scenario

Budgeting

A fast monthly split for after-tax income planning.

Budget Budget Tool Apply the 50/30/20 rule to after-tax income and monthly planning. Open tool Related scenario

Real-world finance scenarios

Work through the numbers before you decide.

View scenario library

Mortgage and home buying

How Much House Fits a $3,000 Monthly Payment?

Separate principal and interest from the full housing payment before turning a budget into a home price.

Open scenario Mortgage and home buying

Rent vs Buy Example With $2,000 Rent

Use a realistic rent-versus-buy comparison that includes ownership costs and the opportunity cost of cash.

Open scenario Debt payoff

Debt Payoff Example for Three Credit Cards

Turn three balances into a single payoff order and see why the extra payment needs a defined target.

Open scenario Growth and tradeoffs

Compound Growth Example With $500 per Month

Separate the dollars you contribute from the growth that may come from time and compounding.

Open scenario

Editorial quality

How utility.finance keeps calculators useful.

The site is designed to keep the math, context, and limits close together so users can inspect a decision without pressure.

Clear formulas

Calculator pages explain the formulas and assumptions that shape the output.

Visible assumptions

Guides keep inputs, caveats, and practical limits close to the decision.

Scenario examples

Real-world examples show how the same tool behaves under specific inputs.

Correction process

Questions and corrections have a public path so trust is earned in the open.

Current guides

Read before you model.

View all guides

Mortgage & Home