All Calculators

We offer many types of online calculators for your computing needs, covering a wide range of areas such as finance, math, health and more.

Mortgage Calculator

Free Online Mortgage Calculator.

Net Present Value Calculator

Calculate the NPV (Net Present Value) of an investment with an unlimited number of cash flows.

Online Color Calculator

Online Color Calculator - Color conversion and metering capabilities. Get the color representation of any color in RGB, HEX, HSL, and HSV formats.

Online Age Calculator

Enter your date of birth to quickly find out your exact age.

Estimated date of delivery (EDD) Calculator

Calculate the estimated date of delivery (EDD) of childbirth based on the date of conception or the last menstrual period.

Online Dog Age Calculator

Calculating your dog's age will give you an idea of your dog's current human age.

Online Ovulation Calculator

Use our online ovulation calculator to accurately predict your ovulation cycle and help you better plan your pregnancy. Simply enter the date of your cycle to get the results.

Online Clothing Size Calculator

Use our online clothing size calculator to easily find the right size for you. Get accurate sizing advice wherever you are in the world.

Yield Calculator

Quickly calculate your ROI by easily entering your initial investment, final value and number of years using our yield calculator.

Annuity Calculator

Easily calculate Present Value and Future Value using our Annuity Calculator by entering the annuity payment amount, interest rate and number of payment periods.

VAT Calculator

Use our tools to extract the VAT amount from the price or to calculate the amount of tax to be added, including multiple rates.

Income Tax Calculator

Calculate your personal income tax online using our tools for both net and gross income.

Compound Interest Calculator

Calculate the total return on compounded investments, including re-investments and time deposits.

*By uploading your files or using our service you agree with our Terms of Service & Privacy Policy