Step-by-step instructions
- Enter or select Free storage.
- Enter or select Total storage.
- Tap Calculate.
- Review the result shown directly below the calculator.
Storage Headroom Calculator
Calculate storage headroom calculator from free storage and total storage.
How to use the Storage Headroom Calculator
Calculate storage headroom calculator from free storage and total storage.
What the inputs mean
- Free storage
- Enter the value requested by this field label.
- Total storage
- Enter the full amount, target, goal, or capacity used as the comparison value.
Formula or calculation method
Free storage is divided by Total storage and the result is multiplied by 100 to express the relationship as a percentage.
Example
For example, if Free storage is 25 and Total storage is 100, the calculated result is 25%.
How to understand the result
The result is a percentage. A higher or lower percentage has different meaning depending on the calculator, so compare it with the goal, limit, benchmark, or historical value relevant to your situation.
Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.