Free finance calculators, explained in plain English
Mortgages, loans, investing, taxes and debt payoff — run the numbers instantly and actually understand what they mean.
All calculators
Twelve precision tools for the biggest money decisions Americans make — buying a home, borrowing, investing and getting out of debt.
Mortgage Calculator
Estimate your monthly mortgage payment with taxes, insurance and PMI.
Home LoansHome Affordability Calculator
Find out how much house your income can comfortably support.
LoansLoan Payment Calculator
Monthly payment, total interest and payoff timeline for any loan.
LoansEMI Calculator
Compute equated monthly installments and lifetime interest cost.
InvestingCompound Interest Calculator
Watch your money grow — contributions plus compounding returns.
SavingSavings Goal Calculator
How much to save each month to hit any target on time.
DebtDebt Payoff Calculator
Your debt-free date, total interest and the fastest payoff plan.
Home LoansRefinance Calculator
Is refinancing worth it? Compare payments, savings and breakeven.
LoansAuto Loan Calculator
Monthly car payment with down payment, trade-in and loan term.
TaxesSalary Paycheck Calculator
US take-home pay after federal, FICA and state taxes.
DebtCredit Card Payoff Calculator
How fast you can kill credit card debt — and what it costs.
InvestingRetirement Savings Calculator
Project your 401(k) growth with contributions and employer match.
Why run the numbers before you decide?
Most expensive financial mistakes share one trait: nobody did the math first. A mortgage signed without comparing total interest, a car bought on monthly payment alone, a retirement plan built on hope instead of contributions — each one costs tens of thousands of dollars. UtilityHub exists to make that math effortless.
Every calculator on this site pairs instant results with a plain-English explanation of why the numbers look the way they do: how amortization front-loads mortgage interest, why the 28/36 rule caps your home price, how compound growth bends upward over decades, and when refinancing actually pays for itself. You get charts, payoff timelines and breakeven points — not just a single number.
The tools are built for the US market: federal tax brackets for the paycheck calculator, standard mortgage conventions, and dollar-based examples throughout. Results are estimates for planning purposes, verified against known benchmarks, and computed entirely in your browser — your numbers never leave your device.
Latest money guides
In-depth, jargon-free explainers that pair with the calculators.
Debt Snowball vs Avalanche: Which Pays Off Faster?
Snowball vs avalanche debt payoff compared with real numbers: which saves more interest, which gets you debt-free first, and which one you should pick.
2026-09-28Compound Interest: The Math Behind Early Investing
Why starting to invest 10 years earlier beats earning higher returns: the math of compounding with real numbers and examples.
2026-09-26How Much House Can I Afford on $80,000 Salary?
On an $80k salary, lenders' 28/36 rule suggests a home around $280k–$330k. See the exact math, what changes the number, and the costs buyers forget.
2026-09-24