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Home NAS Capacity Calculator

Size a home NAS from today's data, an annual growth rate and the number of years you want it to last.

About Home NAS Capacity Calculator

Compounding growth is exponential, not linear: the increase in the final period is far larger than in the first. The doubling figure comes from the logarithmic form and is the quickest sanity check on whether a growth rate is plausible. Capacity and budget plans built on linear extrapolation understate compound home storage growth badly over a three-to-five year horizon.

Formula

Home NAS Capacity

Projected = current × (1 + growth rate)^periods

Data stored today
Starting value
growth rate
Compound growth per period
periods
Number of compounding periods

Worked example

With the default values below, Home NAS Capacity Calculator returns Projected Value of 9,953.28. Change any input above and every figure here is recalculated in your browser.

Inputs used

Data stored todayminimum 0 GB
4,000 GB
Growth per periodaccepts -50–200 %
20 %
Number of periodsaccepts 1–100
5

Results

Projected Value
9,953.28
Total Growth
148.83%
Absolute Increase
5,953.28
Periods to Double
3.80
Average Increase per Period
1,190.66

Step by step

  1. 1Values used
  2. 2Home NAS Capacity
  3. 3Projected Value= 9,953.28
  4. 4Total Growth= 148.83
  5. 5Absolute Increase= 5,953.28
  6. 6Periods to Double= 3.80
  7. 7Average Increase per Period= 1,190.66

Assumptions and limits

  • The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax or fees or charges into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is Home NAS Capacity calculated?

Projected = current × (1 + growth rate)^periods Compounding growth is exponential, not linear: the increase in the final period is far larger than in the first. The doubling figure comes from the logarithmic form and is the quickest sanity check on whether a growth rate is plausible.

Why does Home NAS Capacity matter?

Capacity and budget plans built on linear extrapolation understate compound home storage growth badly over a three-to-five year horizon.

What values do I need to enter?

This calculator takes 3 inputs: Data stored today, Growth per period, Number of periods. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.

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