Free Online Tools

Educational

College & High School GPA Calculator: An easy-to-use GPA calculator for college and high school students. Calculate your cumulative and major GPA on semester or quarter systems, with customizable grade weights.

Investment Calculator: This tool estimates the future growth of a single, lump-sum investment based on a specified annual rate of return.
Loan Calculator: This tool calculates either your fixed monthly loan payment or the total time it will take to pay off a loan based on a desired payment amount.
Savings Calculator: This tool projects the future value of your savings by combining an initial principal with regular monthly contributions and compound interest over time.

5 Function Calculator: This tool handles the fundamental arithmetic operations: addition, subtraction, multiplication, division, and has percentage button.
Fraction Calculator: This tool performs addition, subtraction, multiplication, and division on fractions, providing a simplified result along with a detailed, step-by-step explanation of the calculation.
CSV Descriptive Statistics Calculator: Instantly analyze your data by uploading a CSV file to automatically calculate key descriptive statistics like mean, median, standard deviation, and more, all securely within your browser.

Alarm Clock: This simple and accessible alarm clock displays the current time, allows you to set an alarm for a specific time, and shows a live countdown to completion.
Stopwatch: This tool provides a digital clock displaying the current time and date, along with a stopwatch feature for timing events.
Timer: This tool provides a digital clock displaying the current time and date, along with a timer feature for setting countdowns.
Universal Conversion Calculator: This comprehensive tool instantly converts a vast range of measurements across many categories, showing the step-by-step formula for each calculation.