Free Online Calculators

Discover an easy way to perform basic, scientific, and financial calculations instantly with our user-friendly, free tool.

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Make everyday calculations easier with Calculator Whiz

Basic calculator

Track grocery expenses, calculate discounts, and create monthly budgets

Scientific calculator

Solve advanced math problems, adjust recipe proportions, and calculate medication dosages

Financial calculator

Calculate interest payments, monthly installments and the current values of loans

Top Features

All-in-One Calculator

Tackle a wide range of tasks efficiently. This extension saves you the hassle of switching between different apps when you need to perform various types of calculations.

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Easy to use

Using our online calculators is a breeze. From monthly budgeting to advanced math, easily perform various types of calculations in seconds.

Available on Chrome™ & Firefox

Access three online calculators in one place with Calculator Whiz.
Try it for free!