EVERYDAY CLARITY

Storage Retention Calculator

Calculate retention duration from usable capacity and daily data production.

Enter your values

01

Use a dot or comma for decimals.

Your result
Retention duration
5 days
Complete days retained
5 days

Result for the values shown.

Calculations run in your browser.

What to enter
InputMeaning and units
Usable storage (GB)Enter usable storage in GB; use the same basis as the other measurements.
Data generated per day (GB/day)Enter data generated per day in GB/day; use the same basis as the other measurements.

Understanding your result

Read Retention duration (days), Complete days retained (days) in the units and model stated on this page. The formula days = capacity / daily · wholeDays = floor(days) defines the relationship; measurement accuracy and model applicability are separate from numerical precision.

Common mistakes

  • Mixing input units or changing the physical meaning of a variable without changing the model.

Check your calculation

  • Use the worked example as a known reference case, then change one input at a time and check the direction and units of the response.

Calculation checks, sources and review limits

How many days of data will fit in this storage?

Calculate retention duration from usable capacity and daily data production.

Common uses

  • How many days of data will fit in this storage

How it works

days = capacity / daily; wholeDays = floor(days)

Worked example

Enter Usable storage: 1000 GB; Data generated per day: 200 GB/day. Results: Retention duration: 5 days; Complete days retained: 5 days.