When to use this calculator
Project data volume under a chosen recurring percentage-growth scenario. Assumes constant compound growth with no deletion or compression changes.
Explore the storage & compression calculators for other questions in this topic. For a related calculation, use the Data Transfer Cost Calculator: Estimate data egress charges from decimal gigabytes and a manually entered rate.
PUTTING IT INTO PRACTICE
Data Growth Storage: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Current stored data (GB) | 100 |
| Effective growth per month (%) | 10 |
| Months (integer) | 2 |
| Result | 121 GB |
- Check the input labels and enter the example values above.
- Apply the relationship: Projected storage = current size × (1+monthly growth/100)^months.
- The result is 121 GB, rounded for display.
How to interpret your result
Assumes constant compound growth with no deletion or compression changes.
Specify decimal or binary units before comparing storage totals. Full-backup retention differs from incremental or deduplicated backup plans. Compression can sometimes increase size when data is already compressed.
Frequently asked questions
Is a 4:1 compression ratio a 400% saving?
No. It means the compressed size is one quarter of the original, corresponding to a 75% size reduction.
When is the data growth storage calculator useful?
Project data volume under a chosen recurring percentage-growth scenario. Assumes constant compound growth with no deletion or compression changes.
How do I use the data growth storage calculator?
Enter current stored data (gb), effective growth per month (%), months (integer). The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
Projected storage = current size × (1+monthly growth/100)^months.
What should I check before using the result?
Assumes constant compound growth with no deletion or compression changes.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
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