Shop Shrinkage Value Ratio
Use this shop shrinkage value ratio tool when you have measured values for lost value, stock value. It applies a transparent mathematical relationship to those values to return an answer in %. Unlike a prediction or recommendation, this is a calculation from your inputs. Inventory valuation must use consistent dates and cost basis. Enter a different scenario to see how this particular quantity changes; check the assumptions before using it in a project.
How to use this calculator
- Use exact measurements and consistent units for lost value, stock value.
- Enter each quantity; blank, nonnumeric and out-of-range inputs are not accepted.
- Compare the reported % quantity against your own data and the limitations below.
Formula for Shop Shrinkage Value Ratio
% = 100*lost_value/stock_value. Inputs are expressed in the units shown by the labels.
- This uses a direct retail relationship and does not retrieve remote data, forecasts or individual account information.
- Inventory valuation must use consistent dates and cost basis.
Worked examples
Worked example — Shop Shrinkage Value Ratio
Enter Lost value = 4800, Stock value = 390000.
Apply 100*lost_value/stock_value.
Calculated value: approximately 1.230769 %.
Understanding the result
The example produces about 1.230769 %; this is a mathematical output for the example inputs, not an observed result for your project.
Inventory valuation must use consistent dates and cost basis.
Important notes
Inventory valuation must use consistent dates and cost basis.
Use values from the same measurement period or physical system. The result is in % and is not a guarantee of capacity, safety, ranking or revenue.
Frequently asked questions
What does Shop Shrinkage Value Ratio calculate?
It converts lost value, stock value into a quantity measured in % using the stated formula.
Which assumption matters most?
Inventory valuation must use consistent dates and cost basis.
How can I check this output?
Recalculate the worked example from the input quantities, confirm units and compare with direct measurements where available. This calculator does not fetch live data.
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Related explanations
Learn the method behind the number or compare the terminology before using the calculator.
- How to Calculate a Z-Score — Learn how a z-score shows how far a value is from the mean in standard-deviation units.
- How to Calculate Percentage Change — Learn the percentage change formula, how to calculate increases and decreases, and why the original value matters.
- Percentage Change — Learn what percentage change means, how to calculate increases and decreases, and how the original value affects the result.
This page provides a calculation tool plus explanatory information so you can understand what the result means and when the underlying method may not fit your situation.