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Easy to find
Each calculator has its own focused page with clear descriptions and FAQs, making it easy to find exactly what you need.
Free finance calculators.
Calculate with precision.
PRECISR is a fast, free finance calculator suite — mortgages, loans, tax, salary, investing and retirement. Precise results in your browser, no account required.
75Finance calculators
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9:41PRECISR
MONTHLY PAYMENT
$2,528
$400,000 home · 20% down · 6.5% for 30 years. Principal & interest, updated as you type.
Home price$400,000
Rate6.5%
Why people use PRECISR.
Every calculator is purpose-built for accuracy, with clear inputs, instant results, and helpful context so you understand what the numbers mean.
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Instant results
Results update as you type, directly in your browser. No loading screens, no waiting, no round trips to a server.
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Always free
All calculators are free to use with no subscription, no registration, and no hidden fees.
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Works everywhere
Every calculator works on phones, tablets, and desktops. Fully responsive and accessible on any screen size.
Most used
All 75 finance calculators →Finance calculators.
Mortgages, loans, tax, salary, investing and retirement — the tools people reach for most.
MortgagePayment, taxes & payoffLoanPayment & total interestAuto LoanCar payment, tax & feesAmortizationFull payment scheduleIncome TaxBy country & filing statusTake-Home PayNet pay after taxesSalaryHourly ↔ annual payRefinanceBreak-even & savingsHouse AffordabilityHow much home you can buyRent vs. BuyBreak-even yearCompound InterestGrowth over timeInvestmentFuture value & returnsSavingsGoal & monthly targetRetirementSavings projection401(k)Employer match & growthCredit Card PayoffPayoff time & interestDebt PayoffSnowball vs avalancheInterestSimple & compoundDown PaymentUpfront cash neededAPRTrue cost with fees