Welcome to That Calculator

Our ounces to pounds Converter is the perfect tool for converting ounces to pounds and vice versa.

Start your countdown to your due date with our Pregnancy Due Date Calculator. Waiting for a baby is one of the most exciting times in life. It's no wonder you want to count down the days until your family grows.

Our mins to hours converter is a quick and easy way to convert minutes to hours and vice versa. If you have been looking for a simple way to convert hours to minutes or mins to hours, this calculator is for you.

Do you want to calculate slope? Our slope calculator helps you easily calculate the slope of a line or curve. Our slope calculator will also show you the Y-intercept, Line equation, Angle with X-axis, Slope as a Percentage, Distance between two points, and more.

Our percentage change calculator will help you calculate the percentage change between two values, provide the two values and our calculator will do the rest.

Our Bar to Psi converter is the perfect tool to convert pressure from bar to psi or vice versa quickly.

Our Area of Triangle calculator is a quick and easy way to calculate the area of a given triangle using its Base and Height, Three Sides, Two Sides and Included Angle, or Two Angles and Included Side.

Our Circumference and Area of a Circle Calculator is the best tool for finding the Circumference and Area of a Circle.