Calculator index
All calculators by category
Choose the basic calculator for normal arithmetic, or jump to a category to find a specialized tool.
Finance calculators
Loans, interest, savings, investments, and retirement planning
Compound InterestCalculate compound interest on investmentsOpen calculator →EMI CalculatorCalculate monthly loan EMI and interestOpen calculator →EPF CalculatorEstimate employee provident fund corpusOpen calculator →FD CalculatorEstimate fixed deposit maturity and interestOpen calculator →Inflation CalculatorEstimate future cost and purchasing powerOpen calculator →Loan CalculatorEstimate loan payments, interest, and total costOpen calculator →NPS CalculatorProject NPS corpus, lump sum, and pensionOpen calculator →PPF CalculatorProject Public Provident Fund growthOpen calculator →RD CalculatorProject recurring deposit maturity valueOpen calculator →Retirement CalculatorProject an inflation-adjusted retirement corpusOpen calculator →Simple Interest CalculatorCalculate simple interest and final amountOpen calculator →SIP CalculatorCalculate returns on systematic investmentsOpen calculator →
Tax calculators
Income tax, GST, HRA, and sales-tax calculations
GST CalculatorCalculate GST amount and total priceOpen calculator →HRA CalculatorEstimate HRA exemption for salaried employeesOpen calculator →Income Tax CalculatorCompare Indian old and new tax regime estimatesOpen calculator →Sales Tax CalculatorAdd or remove sales tax from a priceOpen calculator →
Business calculators
Pricing, profitability, payroll, invoices, and business planning
Break-even CalculatorFind break-even units, revenue, and margin of safetyOpen calculator →Commission CalculatorEstimate commission and total earningsOpen calculator →Cost Price CalculatorReverse-calculate cost from selling price and profit targetOpen calculator →Discount CalculatorFind sale price, savings, and effective discountOpen calculator →Gratuity CalculatorEstimate gratuity from salary and serviceOpen calculator →Gross Margin CalculatorMeasure gross profit and gross margin percentageOpen calculator →Invoice CalculatorBuild itemized invoice totals with tax and discountsOpen calculator →Markup CalculatorCalculate markup, profit, and gross marginOpen calculator →Overtime CalculatorEstimate regular, overtime, and total payOpen calculator →Profit CalculatorCalculate gross profit, net profit, and marginsOpen calculator →Profit Margin CalculatorCalculate profit, margin, and markupOpen calculator →ROI CalculatorMeasure investment gain, ROI, and annualized returnOpen calculator →Salary CalculatorEstimate monthly and annual take-home salaryOpen calculator →Salary Hike CalculatorCalculate revised salary after a pay increaseOpen calculator →Selling Price CalculatorSet a selling price from markup or target marginOpen calculator →
Math calculators
Everyday arithmetic, percentages, ratios, fractions, and scientific math
Average CalculatorFind mean, median, range, minimum, and maximumOpen calculator →CAGR CalculatorCalculate compound annual growth rateOpen calculator →Fraction CalculatorAdd, subtract, multiply, or divide fractionsOpen calculator →Marks Percentage CalculatorCalculate marks percentage, grade, and resultOpen calculator →Percentage CalculatorCalculate percentage of any valueOpen calculator →Percentage Decrease CalculatorCalculate a decrease amount and final valueOpen calculator →Percentage Increase CalculatorCalculate an increase amount and final valueOpen calculator →Ratio CalculatorSimplify and compare ratiosOpen calculator →Scientific CalculatorSolve scientific expressions with advanced functionsOpen calculator →
Date & Time calculators
Age and calendar-based calculations
Health calculators
General health and wellness screening tools
Currency
Transparent exchange-rate conversions