Calculates the amount of time that it takes for a person traveling at one speed to catch a person traveling at another speed when one person leaves at a later time.

This calculator has 3 inputs.

This calculator has 3 inputs.

- distance
- interval between two points in time

d = rt - distance catch up
- word problems involving a staggered start between 2 people or objects to see when they meet
- rate
- the ratio between two related quantities in different units. A measure, quantity, or frequency.
- time
- a point of time as measured in hours and minutes past midnight or noon