Make confident financial decisions with 20 free, client-side personal finance calculators covering loan amortization, compound investing, inflation purchasing power, mortgage qualification, and debt freedom.
Calculate your monthly loan installment instantly.
Quick simple interest on loans or deposits.
Three common percentage calculations in one tool.
Project future purchasing power erosion and living cost changes.
Estimate your in-hand salary from your CTC.
See how your investment compounds over time.
Convert between currencies using live exchange rates.
General loan calculator with down payment and fees.
Full home loan payment breakdown, P&I, taxes, insurance, PMI.
Find your payoff time or required monthly payment.
Compare Snowball vs Avalanche payoff strategies.
Project savings growth or solve for a savings goal.
Compare your spending to the 50/30/20 rule.
Calculate tip and split the bill between people.
Car loan payments with trade-in and sales tax.
Compare true cost of renting vs buying over time.
Time value of money, both directions.
Full year-by-year or month-by-month loan breakdown.
Includes grace period and interest capitalization.
Max home price using the 28/36 income rule.
Calculate net paycheck after federal, state, and FICA deductions.
Compute final sale prices, double coupons, sales tax, and savings.
Evaluate monthly savings, lifetime interest, and break-even months.
Certificate of deposit APY, compounding growth, and early withdrawal penalty simulator.
Calculate personal wealth, total assets, liabilities, and debt-to-asset solvency ratios.
Model retirement balance accumulation, compound growth, and employer matching funds.
Calculate early debt payoff savings with extra monthly, annual, or lump-sum payments.
Calculate net take-home paycheck per period with hourly, overtime, salary, FICA, and taxes.
Compute front-end and back-end DTI ratios for mortgage and loan underwriting.
Compute maximum borrowing limit, draw interest-only payments, and repayment phase payment shock.
Plan your home down payment savings schedule with HYSA compound interest and PMI avoidance goals.
Compare Snowball vs Avalanche acceleration strategies, payoff dates, and interest savings.
Calculate essential monthly expenses, 3 to 12-month safety nets, and savings runway gap.
Calculate mortgage LTV and combined CLTV ratios, home equity, PMI removal thresholds, and cash-out refi limits.
Compare initial monthly payments, UFMIP/MIP vs PMI fees, PMI drop-off timelines, and 30-year total borrowing costs.
Loan payments, interest calculations, and everyday budgeting math are questions almost everyone runs into eventually, whether it's figuring out an EMI before taking a loan, comparing renting against buying, or working out how a raise actually changes your take-home pay. This is the largest category on Calc369, spanning loans, interest, budgeting, and payment planning.
Loan and debt tools (EMI, Loan, Mortgage, Auto Loan, Student Loan, Credit Card Payoff, Debt Payoff, Amortization Schedule) cover borrowing and repayment. Interest and growth tools (Simple Interest, Compound Interest, Present Value/Future Value) cover how money grows or accrues cost over time. Everyday money tools (Percentage, Salary, Currency Converter, Savings, Budget, Tip, House Affordability, Rent vs Buy) handle the calculations that come up in regular financial decisions, not just loans.
Loan Calculator handles generic loan payments, principal, rate, and term. Mortgage Calculator is specialized for home loans specifically, adding property tax, insurance, and PMI on top of the base loan payment for a realistic total monthly housing cost.
Almost all real savings accounts, loans, and investments compound, so Compound Interest Calculator reflects real-world growth. Simple Interest is mostly useful for specific loan types or educational comparison, since it doesn't reinvest earned interest.
Rent vs Buy Calculator is built for exactly this, it compares total costs on both sides over time. Pair it with House Affordability Calculator first to check what home price fits your budget, and Mortgage Calculator to see the actual monthly payment for a specific home.
Debt Payoff Calculator compares payoff strategies (like avalanche vs snowball) across multiple debts. Credit Card Payoff Calculator is more focused, showing how long a single credit card balance takes to clear at a given payment amount.