Enter the initial quantity, consumed quantity, and the time span into the calculator to determine the depletion rate. This calculator helps in understanding how quickly a resource is being used up over time.

Depletion Rate Formula

The following formula is used to calculate the depletion rate.

DR = (IQ - CQ) / TS

Variables:

  • DR is the depletion rate (units per hour)
  • IQ is the initial quantity of the resource (units)
  • CQ is the consumed quantity of the resource (units)
  • TS is the time span over which the consumption is measured (hours)

To calculate the depletion rate, subtract the consumed quantity from the initial quantity and divide the result by the time span over which the consumption is measured.

What is a Depletion Rate?

The depletion rate is a measure of the rate at which a resource is being consumed or used up. It is an important metric in resource management, helping to predict when a resource will be exhausted and to plan for sustainable usage. The depletion rate can apply to natural resources, inventory stock, energy consumption, and more.

How to Calculate Depletion Rate?

The following steps outline how to calculate the depletion rate.


  1. First, determine the initial quantity of the resource (IQ).
  2. Next, determine the consumed quantity of the resource (CQ).
  3. Next, determine the time span over which the consumption is measured (TS).
  4. Use the formula DR = (IQ – CQ) / TS to calculate the depletion rate (DR).
  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.

Initial quantity of the resource (IQ) = 1000 units

Consumed quantity of the resource (CQ) = 300 units

Time span over which the consumption is measured (TS) = 24 hours