Educational Tools

Generate random numbers with interactive lottery-style interface. Perfect for probability exercises and classroom activities.

Calculate your Grade Point Average easily. Add courses, grades, and credit hours to get accurate GPA calculations.

Convert between grams, pounds, kilograms, ounces and more. Mobile-optimized with large touch inputs.

Convert between inches, centimeters, feet, meters and more. Perfect for measurements and calculations.

Convert cups to ml, liters to gallons, and more. Great for cooking and science experiments.

Convert kilowatts to horsepower, watts to BTU and more. Essential for engineering calculations.

Convert hertz, kilohertz, megahertz and gigahertz. Perfect for electronics and physics.

Convert Celsius, Fahrenheit and Kelvin. Essential for science and weather calculations.

Calculate Annual Percentage Yield and compound interest. Perfect for financial planning and investments.

Add, subtract, multiply and divide fractions with automatic simplification. Perfect for math homework.

Calculate the area of a trapezoid using parallel sides and height. Interactive geometry visualization included.

Calculate cylinder volume using radius and height. Perfect for engineering and science projects.

Calculate sphere volume using radius. Essential for geometry and physics calculations.

Calculate cube volume using side length. Simple geometry made interactive and visual.

Calculate cone volume using radius and height. Great for geometry and real-world applications.

Calculate distance between two points using coordinates. Perfect for coordinate geometry.