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Free online tools that work in your browser. Pick a category or search for a tool.

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Percentage Calculator: X% of Y and Change

Free online tool. Open to get started.

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Fraction Calculator: Add, Subtract, Divide

Free online tool. Open to get started.

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Area Calculator: Square Feet of Any Shape

Free online tool. Open to get started.

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Average Calculator: Mean and Weighted

Free online tool. Open to get started.

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GPA Calculator: Semester and Cumulative GPA

Free online tool. Open to get started.

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Tip Calculator: Split the Bill Fairly

Free online tool. Open to get started.

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Hourly to Salary Calculator: Wage to Annual Pay

Free online tool. Open to get started.

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Pay Raise Calculator: New Salary After a Raise

Free online tool. Open to get started.

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BMR Calculator: Basal Metabolic Rate

Free online tool. Open to get started.

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Calorie Deficit Calculator: Lose Weight

Free online tool. Open to get started.

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Water Intake Calculator: How Much Water to Drink

Free online tool. Open to get started.

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Body Fat Calculator: Army and Navy Tape Method

Free online tool. Open to get started.

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Square Footage Calculator: Rooms, Cost

Free online tool. Open to get started.

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Flooring Calculator: Square Feet, Boxes and Cost

Free online tool. Open to get started.

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Online Timer and Stopwatch: Free

Free online tool. Open to get started.

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Time Zone Converter: ET, CT, MT, PT and World

Free online tool. Open to get started.

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Date Calculator: Days Between Dates

Free online tool. Open to get started.

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Unit Converter: US and Metric Units

Free online tool. Open to get started.

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Temperature Converter: Fahrenheit to Celsius

Free online tool. Open to get started.

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Length Converter: cm to Inches, Feet and Meters

Free online tool. Open to get started.

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Merge PDF: Free and Private

Free online tool. Open to get started.

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Compress PDF: Free and Private

Free online tool. Open to get started.

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Resize Image: Free and Private Photo Resizer

Free online tool. Open to get started.

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Color Picker: HEX, RGB and HSL From Image

Free online tool. Open to get started.

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