Welcome to That Calculator

Our kilogram to pound converter is a simple tool that changes weight or mass measurements from the metric kilograms (kg) to the imperial pounds (lbs).

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.

The due date calculator (also called a pregnancy calculator) helps answer the question: "When is my baby due?" Our tool estimates the due date for your baby's birth.

Our percentage calculator is the perfect tool to calculate what percent of X is Y, find the total based on a value and percentage, or determine the value based on the total and percentage.

Our MB to GB converter is the perfect tool to convert megabytes to gigabytes and vice versa quickly. It's a simple tool for anyone who needs to convert MB to GB.

Our Days Between Dates Calculator helps you figure out how many days lie between two different dates. Are you wondering how much time has passed since an important event happened? Or maybe you need to know how many days remain until an upcoming occasion?

Our percentage difference calculator is here to help you calculate the percentage difference between two numbers, provide the two values and our calculator will do the rest.

Have you ever struggled with adding up feet and inches or figuring out the area of your room? Well, you're in luck! A Feet and Inches Calculator is here to save the day.