Convert Gigabyte to Gibibyte

1 gigabyte = 0.9313226 gibibyte (GiB). For example, 10 gigabyte = 9.313226 gibibyte and 100 gigabyte = 93.13226 gibibyte. Type any value below to convert gigabyte to gibibyte both ways — it runs entirely in your browser.

Try:

Quick answer: Gigabyte to Gibibyte

1 Gigabyte = 0.9313226 Gibibyte (GB → GiB). To convert gigabyte to gibibyte, multiply by 0.9313226. To convert gibibyte to gigabyte, multiply by 1.073742. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common gigabyte-to-gibibyte questions.

How to convert Gigabyte to Gibibyte

To convert gigabyte to gibibyte, multiply the number of gigabyte by the conversion factor 0.9313226, because 1 GB = 0.9313226 GiB. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 GiB = 1.073742 GB, so you divide by 0.9313226 (or multiply by 1.073742) to turn gibibyte back into gigabyte.

GiB = GB × 0.9313226  ·  GB = GiB × 1.073742

  1. Write down the value you want to convert, in gigabyte.
  2. Multiply it by 0.9313226.
  3. The result is the same area/length/quantity expressed in gibibyte.

Gigabyte to Gibibyte — worked examples

Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 gigabyte is 4.656613 gibibyte because 5 GB × 0.9313226 = 4.656613 GiB.

GigabyteCalculationGibibyte
1 GB1 GB × 0.9313226 = 0.9313226 GiB0.9313226 GiB
2 GB2 GB × 0.9313226 = 1.862645 GiB1.862645 GiB
3 GB3 GB × 0.9313226 = 2.793968 GiB2.793968 GiB
5 GB5 GB × 0.9313226 = 4.656613 GiB4.656613 GiB
7 GB7 GB × 0.9313226 = 6.519258 GiB6.519258 GiB
10 GB10 GB × 0.9313226 = 9.313226 GiB9.313226 GiB
12 GB12 GB × 0.9313226 = 11.17587 GiB11.17587 GiB
15 GB15 GB × 0.9313226 = 13.96984 GiB13.96984 GiB
20 GB20 GB × 0.9313226 = 18.62645 GiB18.62645 GiB
25 GB25 GB × 0.9313226 = 23.28306 GiB23.28306 GiB
50 GB50 GB × 0.9313226 = 46.56613 GiB46.56613 GiB
100 GB100 GB × 0.9313226 = 93.13226 GiB93.13226 GiB

Common Gigabyte to Gibibyte conversions

These are the gigabyte-to-gibibyte values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:

  • 1 gigabyte = 0.9313226 gibibyte
  • 2 gigabyte = 1.862645 gibibyte
  • 2.5 gigabyte = 2.328306 gibibyte
  • 3 gigabyte = 2.793968 gibibyte
  • 4 gigabyte = 3.72529 gibibyte
  • 5 gigabyte = 4.656613 gibibyte
  • 6 gigabyte = 5.587935 gibibyte
  • 7 gigabyte = 6.519258 gibibyte
  • 8 gigabyte = 7.450581 gibibyte
  • 9 gigabyte = 8.381903 gibibyte
  • 10 gigabyte = 9.313226 gibibyte
  • 12 gigabyte = 11.17587 gibibyte
  • 15 gigabyte = 13.96984 gibibyte
  • 20 gigabyte = 18.62645 gibibyte
  • 25 gigabyte = 23.28306 gibibyte
  • 30 gigabyte = 27.93968 gibibyte
  • 50 gigabyte = 46.56613 gibibyte
  • 75 gigabyte = 69.84919 gibibyte
  • 100 gigabyte = 93.13226 gibibyte
  • 200 gigabyte = 186.2645 gibibyte
  • 500 gigabyte = 465.6613 gibibyte
  • 1000 gigabyte = 931.3226 gibibyte

Gigabyte to Gibibyte conversion chart (both directions)

The chart below converts gigabyte to gibibyte and gibibyte to gigabyte side by side, so it works whichever way you need. 1 gigabyte = 0.9313226 gibibyte, and 1 gibibyte = 1.073742 gigabyte.

Gigabyte → GibibyteGibibyte → Gigabyte
0.25 GB = 0.2328306 GiB0.25 GiB = 0.2684355 GB
0.5 GB = 0.4656613 GiB0.5 GiB = 0.5368709 GB
1 GB = 0.9313226 GiB1 GiB = 1.073742 GB
2 GB = 1.862645 GiB2 GiB = 2.147484 GB
3 GB = 2.793968 GiB3 GiB = 3.221225 GB
4 GB = 3.72529 GiB4 GiB = 4.294967 GB
5 GB = 4.656613 GiB5 GiB = 5.368709 GB
6 GB = 5.587935 GiB6 GiB = 6.442451 GB
7 GB = 6.519258 GiB7 GiB = 7.516193 GB
8 GB = 7.450581 GiB8 GiB = 8.589935 GB
9 GB = 8.381903 GiB9 GiB = 9.663676 GB
10 GB = 9.313226 GiB10 GiB = 10.73742 GB
12 GB = 11.17587 GiB12 GiB = 12.8849 GB
15 GB = 13.96984 GiB15 GiB = 16.10613 GB
20 GB = 18.62645 GiB20 GiB = 21.47484 GB
25 GB = 23.28306 GiB25 GiB = 26.84355 GB
30 GB = 27.93968 GiB30 GiB = 32.21225 GB
40 GB = 37.2529 GiB40 GiB = 42.94967 GB
50 GB = 46.56613 GiB50 GiB = 53.68709 GB
75 GB = 69.84919 GiB75 GiB = 80.53064 GB
100 GB = 93.13226 GiB100 GiB = 107.3742 GB
150 GB = 139.6984 GiB150 GiB = 161.0613 GB
200 GB = 186.2645 GiB200 GiB = 214.7484 GB
250 GB = 232.8306 GiB250 GiB = 268.4355 GB
500 GB = 465.6613 GiB500 GiB = 536.8709 GB
1000 GB = 931.3226 GiB1000 GiB = 1,073.742 GB

Gigabyte vs Gibibyte: which is bigger?

1 GB1 GiB
Relative size of 1 Gigabyte (GB) and 1 Gibibyte (GiB).

A gibibyte is the larger unit: one gibibyte equals 1.073742 gigabytes. Put another way, you need 1.073742 gigabytes to make a single gibibyte.

What is a Gigabyte? History, origin and usage

The gigabyte is a billion bytes in decimal (SI “giga”), but in binary usage it has meant 1,073,741,824 bytes (1,024 cubed). The gap between the two meanings grows with each step up the prefix ladder, which is why the gigabyte is where the decimal-versus-binary dispute becomes very visible to ordinary users.

Gigabytes are the everyday unit for RAM, phone and computer storage, mobile-data allowances and large downloads. Hard-drive and SSD makers sell capacity in decimal gigabytes of 1,000,000,000 bytes each.

The binary unit — 1,073,741,824 bytes — is properly the gibibyte (GiB), about 7% larger than a decimal gigabyte. That 7% is why a drive sold as “1,000 GB” can show up as only about 931 “GB” in some operating systems, a mismatch that has even prompted lawsuits.

What is a Gibibyte? History, origin and usage

The gibibyte is the IEC’s binary gigabyte, defined in 1998 as exactly 1,073,741,824 bytes (1,024 cubed) with the symbol GiB; the name fuses “giga” and “binary.” It was standardised to end the long-running ambiguity in which “gigabyte” meant either a billion bytes or 1,024-cubed bytes.

Gibibytes are the precise unit for RAM and for the storage figures shown by many operating systems and technical tools. When a system reports your “GB” of memory or disk, the underlying binary count is usually in gibibytes.

One gibibyte is exactly 1,073,741,824 bytes, about 7.4% larger than a decimal gigabyte. That difference is exactly why a hard drive sold as “1,000 GB” (1 TB) is displayed as roughly 931 GiB by software that counts in binary units.

Convert 1 Gigabyte to other units

It can help to see a gigabyte next to the other units it is commonly compared with. One gigabyte (GB) is equal to:

1 Gigabyte equalsUnit
8,000,000,000 bitBit
1,000,000,000 BByte
1,000,000 KBKilobyte
1,000 MBMegabyte
0.001 TBTerabyte
976,562.5 KiBKibibyte
953.6743 MiBMebibyte
0.9313226 GiBGibibyte

Convert 1 Gibibyte to other units

One gibibyte (GiB) is equal to:

1 Gibibyte equalsUnit
8,589,935,000 bitBit
1,073,742,000 BByte
1,073,742 KBKilobyte
1,073.742 MBMegabyte
1.073742 GBGigabyte
0.001073742 TBTerabyte
1,048,576 KiBKibibyte
1,024 MiBMebibyte

Tips for converting Gigabyte to Gibibyte

  • To go from gigabyte to gibibyte, multiply by 0.9313226; to go back, divide by 0.9313226 (or multiply by 1.073742).
  • For a quick mental estimate, remember that 1 gigabyte ≈ 0.9313226 gibibyte, so 10 gigabyte ≈ 9.313226 gibibyte.
  • The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
  • Both fields update live as you type — change either side to convert in that direction.

How to use this Gigabyte to Gibibyte converter

Type a number into the Gigabyte field and the equivalent in Gibibyte appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the Gibibyte field to convert the other way (gibibyte to gigabyte). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.

Accuracy and method

Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 GB = 0.9313226 GiB), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for gigabyte-to-gibibyte conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.

Sources

  • NIST — Prefixes for binary multiples — the reference that separates the decimal prefixes (kB = 1,000 bytes) from the IEC binary ones (KiB = 1,024 bytes). This page keeps the two apart rather than silently mixing them, which is the usual source of disagreement between file sizes.
  • BIPM — The International System of Units (SI Brochure) — the defining document for the SI, published by the International Bureau of Weights and Measures. It fixes the base unit that this conversion resolves to, which is why the factor here can be exact rather than approximate.

This converter uses the <strong>decimal (SI)</strong> convention for KB/MB/GB/TB (1 KB = 1,000 bytes), as used by storage manufacturers and networks. The <strong>binary</strong> units — KiB, MiB, GiB (1 KiB = 1,024 bytes) — are listed separately, because operating systems often label binary sizes with the decimal names.

Frequently asked questions

How many gibibyte are in 1 gigabyte?
1 gigabyte = 0.9313226 gibibyte (GiB). To convert any number of gigabyte to gibibyte, multiply by 0.9313226.
How do I convert gigabyte to gibibyte?
Multiply the number of gigabyte by 0.9313226. For example, 10 gigabyte = 10 × 0.9313226 = 9.313226 gibibyte, and 25 gigabyte = 23.28306 gibibyte.
How many gigabyte are in 1 gibibyte?
1 gibibyte = 1.073742 gigabyte. So to convert gibibyte back to gigabyte, multiply by 1.073742.
What is the formula to convert gigabyte to gibibyte?
gibibyte = gigabyte × 0.9313226. The reverse formula is gigabyte = gibibyte × 1.073742.
How much is 100 gigabyte in gibibyte?
100 gigabyte = 93.13226 gibibyte. (And 1000 gigabyte = 931.3226 gibibyte.)
Which is bigger, a gigabyte or a gibibyte?
A gibibyte is larger: 1 gibibyte = 1.073742 gigabyte.
Is this gigabyte to gibibyte converter accurate?
Yes — every value is computed from the exact 0.9313226 GiB per GB factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
Can I convert gibibyte to gigabyte too?
Yes. The converter works both ways — enter a value in either field. 1 gibibyte = 1.073742 gigabyte.

Related data conversions

See all data conversions →

Scopri altri strumenti

Vedi tutti i 70 strumenti →