All Tools (890) · Page 8 of 19

Compute log base 2 of any number.

Compute the natural log of any number.

Compute sine, cosine, and tangent of an angle.

Compute inverse trig functions in degrees.

Compute sinh, cosh, and tanh of any value.

Compute the hypotenuse from two legs.

Compute the area of a triangle from base and height.

Compute area and circumference of a circle.

Compute the volume and surface area of a sphere.

Compute the volume of a cylinder.

Compute the volume of a cone.

Compute area and perimeter of a rectangle.

Compute the area of a trapezoid.

Compute the area of an ellipse.

Compute the area of a regular polygon.

Compute the distance between two 2D points.

Compute the distance between two 3D points.

Compute the slope of a line between two points.

Compute the midpoint between two points.

Compute the magnitude of any-dimensional vector.

Compute the dot product of two vectors.

Compute the cross product of two 3D vectors.

Compute the determinant of a 2×2 matrix.

Convert miles per hour to kilometres per hour.

Convert kilometres per hour to miles per hour.

Convert miles per hour to metres per second.

Convert kilometres per hour to metres per second.

Convert miles to kilometres.

Convert kilometres to miles.

Convert metres to feet.

Convert feet to metres.

Convert inches to centimetres.

Convert centimetres to inches.

Convert yards to metres.

Convert kilograms to pounds.

Convert pounds to kilograms.

Convert ounces to grams.

Convert grams to ounces.

Convert litres to US gallons.

Convert US gallons to litres.

Convert Celsius to Fahrenheit instantly.

Convert Fahrenheit to Celsius instantly.

Convert Kelvin to Celsius.

Add a number of months to any date.

Subtract months from any date.

Find which weekday any date falls on.

Count Mon–Fri days between two dates.

Calculate exactly how many hours old you are.