Unit Converter & Free Calculators

Convert 200+ units of measurement and use 35 free calculators. Fast, accurate and free.

Units

Temperature Convert every temperature scale: Celsius, Fahrenheit, Kelvin, Rankine and Réaumur. Length / Distance Millimeters, centimeters, inches, feet, yards, meters, kilometers, miles, nautical miles… Weight / Mass Kilograms, grams, ounces, pounds, stones, metric tons, short and long tons and more. Speed Meters per second, kilometers per hour, miles per hour, knots, Mach and more. Volume Liters, milliliters, cubic meters, gallons, pints, quarts, fluid ounces, barrels and more. Area Square meters, hectares, acres, square feet, square kilometers and traditional land… Acceleration Meters per second squared, gal, g-units and more. Angles Degrees, radians, gradians, minutes and seconds of arc and more. Astronomical Astronomical units, light-years, parsecs and more. Cooking Teaspoons, tablespoons, cups, milliliters, fluid ounces, pinches and more. Density Kilograms per cubic meter, grams per liter, milligrams per liter and more. Energy Joules, calories, kilowatt-hours, BTU, electronvolts, therms and more. Fuel Economy Liters per 100 km, miles per gallon, kilometers per liter and more. Force Newtons, kilogram-force, dynes, pound-force and more. Frequency Hertz, kilohertz, megahertz, revolutions per minute, radians per second and more.

Budget Calculators

Phone Bill Calculator Keep track of the cost of a phone call while you talk. Enter the connection fee charged… Discounted Payback Period Calculator Calculate the discounted payback period of an investment: the time it takes for the… Markup and Margin Calculator Work out markup, gross margin, selling price and profit from the cost of a product… Electricity Bill Calculator Calculate your electricity bill from two meter readings. Enter the previous and the… Car Running Cost Calculator Find out how much it costs to drive your car per kilometre or mile, and its real fuel… Household Budget Calculator Plan your household budget: enter all sources of income (salary, rental income, pension… Cost of Living Comparison Calculator Compare the cost of living in two cities and find the salary you need in the new city to… Markup Selling Price Calculator Calculate the selling price of a product from its cost and the markup percentage you want… Car Expense Calculator Plan the full cost of owning a car: fuel, insurance, maintenance and repairs, servicing… Payback Period Calculator Find out how long it takes to recover an investment from the cash it generates. Enter the… Click-Through Rate (CTR) Calculator Calculate the click-through rate (CTR) of an online ad campaign from the cost per… Cost Per Click (CPC) Calculator Calculate the cost per click (CPC) of an ad campaign from the cost per thousand… Equivalent Annual Annuity (EAA) Calculator Compare investment projects with different lifetimes with the equivalent annual annuity…

Financial Calculators & Tools

Break-Even Calculator Find the break-even point: the number of units you need to sell to cover all fixed and… GDP Calculator Calculate gross domestic product (GDP) with the expenditure approach from its five… VAT Calculator Add VAT to a net price or remove it from a gross price. Enter the amount and the VAT rate… Straight Line Depreciation Calculator Calculate yearly depreciation with the straight-line method. Enter the cost of the asset… Portfolio Return Calculator Calculate the expected return of an investment portfolio of three assets from the return… Interest Coverage Ratio Calculator Calculate the interest coverage ratio of a company: how many times its operating profit… Monthly Annuity Payments Calculator Find what three monthly payments of 1 are worth at the end of a quarter, given the annual… Quarterly Annuity Calculator (Recurring Deposit) Calculate the value of regular monthly deposits with interest compounded every quarter… Gratuity Calculator India Calculate the gratuity an employee in India receives on leaving a job after at least five… Annuity Due Payment Calculator Calculate the regular payment needed to reach a target amount with an annuity due, where…

Tax Calculators

China Income Tax Calculator Calculate Chinese individual income tax (IIT) on annual comprehensive income for 2026… Australian Income Tax Calculator Calculate Australian income tax for the 2026-27 financial year (1 July 2026 to 30 June… France Income Tax Calculator This calculator estimates French income tax (impôt sur le revenu) with the progressive… Germany Income Tax Calculator Calculate German income tax (Einkommensteuer) for 2026 from your taxable income (zu… Indian Income Tax Calculator Calculate Indian income tax for FY 2026-27 under the new tax regime, which is the… Malaysia Income Tax Calculator Calculate Malaysian personal income tax for resident individuals for year of assessment… Italy Income Tax Calculator Calculate Italian personal income tax (IRPEF) for 2026 from your taxable income (reddito… Japan Income Tax Calculator Estimate Japanese national income tax (shotokuzei) for 2026 from your taxable income in… New Zealand Income Tax Calculator Estimate New Zealand income tax (PAYE) for the 2026-27 tax year from your annual income… Philippines Income Tax Calculator Calculate Philippine income tax for 2026 with the graduated rates of the TRAIN law for… Turkey Income Tax Calculator Calculate Turkish income tax (gelir vergisi) for 2026 on wage income. Enter the annual… UK Income Tax Calculator Work out UK income tax and employee National Insurance for the 2026/27 tax year (6 April… US Income Tax Calculator Estimate US federal income tax for tax year 2026 (returns filed in 2027) from your gross… Brazil Income Tax Calculator (IRRF) Calculate the Brazilian income tax withheld from a monthly salary (IRRF) and your…

Distances

Distance Between Cities Calculator Find the distance between two cities or addresses by road, with the route drawn on a map…

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