Enter the distance and time into the calculator to determine the speed in mph. This calculator can also evaluate any of the variables given the others are known.

Inches To Mph Formula

The following formula can be used to calculate speed in mph from distance travelled in inches and time taken.

Speed (mph) = (Distance / Time ) / 63360

Variables:

  • Speed is the speed in miles per hour (mph)
  • Distance is the distance travelled in inches (inches)
  • Time is the time taken in hours (hours) 63360 is the conversion factor from inches to miles (1 mile = 63360 inches)

To calculate the speed in mph, divide the distance travelled in inches by the time taken in hours. Then divide the result by 63360 to convert the distance from inches to miles.

What is Inches To Mph?

Inches to mph is not a standard conversion as they measure two different things. Inches is a unit of length in the imperial system used primarily in the United States, while mph, or miles per hour, is a unit of speed. A conversion between the two would typically involve a third variable, such as time or acceleration. For example, if a car travels a certain number of inches in a certain amount of time, you could calculate its speed in mph. However, there is no direct conversion from inches to mph.

How to Calculate Inches To Mph?

The following steps outline how to calculate the Inches To Mph.


  1. First, determine the distance travelled in inches (Distance).
  2. Next, determine the time taken in hours (Time).
  3. Next, divide the Distance by the Time to get the speed in inches per hour.
  4. Finally, divide the speed in inches per hour by 63360 to convert it to miles per hour (Speed).
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

Distance (inches) = 500

Time (hours) = 2

63360: conversion factor from inches to miles (1 mile = 63360 inches)