How it works
What this calculadora actually does
The Data Storage Converter works out your data storage converter calculadora in seconds, using the 2026 figures most UK households actually check against.
A data storage converter calculadora sounds simple until the edge cases show up. Data Storage Converter handles both the common case and the awkward ones — and labels which is which on screen.
Unit conversions are the dullest way to lose a mark — or crash a rocket. Decide up front which system the answer needs to be in — then convert it and the rest of this page explains what the answer means.
Convert bytes, KB, MB, GB, TB, PB (decimal SI) and KiB, MiB, GiB (binary IEC) — clear on which one your storage sells.
On this page you will see IEC 60027-2, Byte and Kibibyte treated as first-class terms — each one is linked to the calculators and references that use it, so you can follow the thread without retyping queries into a search bar.
If it helps, jump straight to the Conversions hub or compare with the Bandwidth Converter calculadora and the Frequency Converter calculadora — those two calcs are the ones readers usually open right after this page.
A sample run with everything shown
The quickest way to sanity-check any formula is to try it on figures you recognise. Try these:
Convert bytes, KB, MB, GB, TB, PB (decimal SI) and KiB, MiB, GiB (binary IEC) — clear on which one your storage sells.
Moments this tool earns its keep
Data Storage Converter is aimed at people arriving with questions like these:
- "GB vs GiB"
- "MB to KB"
- "TB to GB"
- "What is data storage converter"
- "How to calculate data storage converter"
- "Data storage converter formula"
Where the number stops being useful
Every tool has an edge where it stops being the right answer. Data Storage Converter is no exception:
- For legally binding tax or medical decisions — cross-check with HMRC, NHS or a qualified professional.
- For very large or very small extremes the rounding error outgrows the useful precision.
- When the underlying rate or threshold has changed since the page was last reviewed — always verify with the primary source.
- When the input you have is already a derived figure (net of something) — feeding it in as "gross" will double-subtract.
Mistakes we see over and over
Every time you convert it for a new scenario, one of these creeps in — it's worth knowing them ahead of time.
- Misreading the unit in the label — 'per year', 'per month' and 'per day' versions of the same figure differ by 12× or 365×.
- Taking a ratio and multiplying it by the wrong side of the inputs — always write the ratio as A/B with labels before running.
- Trusting a screenshot of someone else’s calculation — rerun it yourself with the same inputs, numbers drift.
- Assuming percentages add up. 10% off then 10% more is not the original price — it is 99% of it.
- Not refreshing the page when thresholds are date-sensitive. If the page was cached yesterday, bank rates may already be yesterday’s.
The sources behind the numbers
Where the maths needs an external authority, we cross-check against:
- NIST
- IEC 60027-2
Works well alongside
If this question keeps coming up for you, the same cluster of tools usually comes next:
- Bandwidth Converter calculadora — Convert bps, kbps, Mbps, Gbps and bytes/sec, and estimate download times for common file sizes.
- Frequency Converter calculadora — Convert between Hz, kHz, MHz, GHz and RPM — handy for electronics, engines and audio.
How we keep this accurate
Our calculadoras run on pure, unit-tested functions — the same logic lives in the browser and in the CI test suite. When tax rates, thresholds or official figures move, the update lands within 24 hours of the announcement. You can read the editorial policy and corrections policy.
Found an out-of-date number on Data Storage Converter or anywhere else in the Conversions toolkit? Send it to the editorial desk and we'll patch it. Or browse the full calculadora directory for the next tool you need.