Finance & Everyday Math

22 tools — all free, all in-browser.

Tip Calculator & Bill SplitterCalculate tip and split total bill per person with instant totals.Use Tool →Percentage CalculatorSolve percent-of, what-percent, and percentage-change calculations.Use Tool →VAT/Tax CalculatorAdd or remove VAT/tax from amounts with a configurable rate.Use Tool →Fuel/Road Trip Cost CalculatorEstimate fuel needed and trip cost from distance, efficiency, and fuel price.Use Tool →Mortgage CalculatorEstimate monthly payment, total paid, and total interest for a home loan.Use Tool →Loan & EMI CalculatorCalculate monthly EMI, total interest, and full amortization schedule for any loan.Use Tool →Compound Interest CalculatorSee how investments grow with compound interest — with year-by-year breakdown.Use Tool →Fraction CalculatorAdd, subtract, multiply, or divide fractions with simplified results, mixed numbers, and steps.Use Tool →Savings Goal CalculatorCalculate how much to save per month to reach your goal — or how long it takes with a fixed monthly amount. Includes interest.Use Tool →Budget CalculatorTrack your monthly income and expenses. See your net savings, savings rate, and a visual income vs. expenses breakdown.Use Tool →Retirement CalculatorPlan your retirement. See your projected nest egg, monthly income from savings, and a year-by-year growth breakdown.Use Tool →Loan Payoff CalculatorSee how much sooner you can pay off your loan with extra monthly payments. Compare standard vs. accelerated payoff, total interest saved, and a month-by-month amortization table.Use Tool →Invoice GeneratorCreate and print professional invoices instantly in your browser. Add line items, tax rate, and client details — no sign-up required, nothing uploaded to any server.Use Tool →Net Worth CalculatorCalculate your net worth by listing your assets and liabilities. See total assets, total liabilities, and net worth with a visual breakdown. Runs entirely in your browser.Use Tool →Break-Even CalculatorFind how many units you need to sell to cover all costs. Enter fixed costs, variable cost per unit, and selling price to calculate your break-even point and contribution margin.Use Tool →Expense SplitterTrack shared expenses and see who owes whom. Add people, enter who paid each expense, and get the minimum number of transfers to settle up.Use Tool →Unit Price ComparisonCompare products by price per unit to find the best value. Enter price and quantity for each option to instantly see which size or brand gives you the most for your money.Use Tool →Salary CalculatorConvert any salary between hourly, daily, weekly, monthly, and annual rates. Configure hours per day, days per week, and see your net salary after tax.Use Tool →ROI CalculatorCalculate return on investment, annual CAGR, net profit, and payback period. Enter your initial investment and total return value to see your performance at a glance.Use Tool →Discount CalculatorCalculate the sale price, discount amount, and savings for any percentage off. Supports reverse mode to find the original price from a sale price and discount percentage.Use Tool →Electricity Cost CalculatorFind out how much any appliance costs to run per day, week, month, and year. Enter wattage, daily usage hours, and your electricity rate to get accurate running cost estimates.Use Tool →Inflation CalculatorFind the equivalent purchasing power of money across any years from 1913 to 2024 using historical US CPI data. Calculate how prices have changed over time.Use Tool →