Enter the total mass (kg) and the time (s) into the Calculator. The calculator will evaluate the Mass Over Time. 

Mass Over Time Formula

MOT = M / T

Variables:

  • MOT is the Mass Over Time (kg/s)
  • M is the total mass (kg)
  • T is the time (s)

To calculate Mass Over Time, divide the total mass by the total time.

How to Calculate Mass Over Time?

The following steps outline how to calculate the Mass Over Time.


  1. First, determine the total mass (kg). 
  2. Next, determine the time (s). 
  3. Next, gather the formula from above = MOT = M / T.
  4. Finally, calculate the Mass Over Time.
  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.

total mass (kg) = 16

time (s) = 5

FAQs about Mass Over Time Calculation

What is the significance of calculating Mass Over Time in engineering?
Calculating Mass Over Time is crucial in engineering for designing and evaluating the performance of various systems, such as fluid flow in pipes, air flow in engines, and material processing in manufacturing. It helps in understanding how mass moves through a system over a given period, which is essential for efficiency and safety considerations.

Can the Mass Over Time formula be applied to gases as well as liquids?
Yes, the Mass Over Time formula (MOT = M / T) applies to both gases and liquids. The key difference lies in the properties of the substance being measured, such as density and compressibility, which can affect the mass flow rate calculations.

How does temperature affect Mass Over Time calculations?
Temperature can significantly affect Mass Over Time calculations, especially for gases. As temperature increases, the density of a gas decreases, which can increase the volume flow rate for a given mass flow rate. For accurate calculations, temperature effects must be considered, particularly in applications involving significant temperature variations.

Are there any tools or software commonly used for calculating Mass Over Time?
Yes, there are various tools and software used for calculating Mass Over Time, including specialized calculators available online, spreadsheet programs for custom calculations, and professional engineering software equipped with fluid dynamics and thermodynamics modules. These tools help streamline the calculation process and improve accuracy.