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MB to GB Converter - Calculadora online gratis

Convert between bytes, KB, MB, GB, TB and bits - in both decimal (1 KB = 1000 B) and binary (1 KiB = 1024 B) modes. Use decimal for storage manufacturers, ISP plans and most marketing material; switch to binary for what your operating system actually shows. Internet speed lookups are also covered (1 byte = 8 bits).

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Used by storage manufacturers, ISPs, and most websites. 1 GB = 1,000 MB.

Result

1,024 MB = ·1.024 GB

Common conversions

1024 MB= 1.024 GB
1 GB= 1,000 MB
1024 GB= 1.024 TB
1024 KB= 1.024 MB
100 Mb= 12.5 MB
1 Gb= 0.125 GB

Parte del contenido aún se muestra en inglés.

Acerca de

Entender: MB to GB Converter

MB to GB conversion looks simple, but it is one of the most confusing technology conversions because storage, memory and internet speed use different conventions. Your phone storage may say 128 GB, Windows may show a 1 TB drive as 931 GB, JioFiber or Airtel broadband may advertise 100 Mbps, and your browser may download at 12 MB/s. The difference between capital B (byte) and lowercase b (bit), plus decimal 1000-based units vs binary 1024-based units, creates constant confusion for students, gamers, creators and everyday users.

This converter supports bytes, KB, MB, GB, TB and bits in both decimal and binary modes. Decimal mode (powers of 1000) matches storage manufacturers, SSD/HDD labels, ISP plans and marketing material. Binary mode (powers of 1024) matches memory addressing and what operating systems often display, even when they label GiB as GB. Understanding this difference explains why a '1 TB' hard drive is not fake when Windows shows around 931 GB - both numbers describe the same 1,000,000,000,000 bytes using different divisors.

Cómo usar

Cómo usar MB to GB Converter en 6 pasos

  1. Pick the mode - Decimal (powers of 1000) or Binary (powers of 1024).

  2. Pick the source unit (e.g. MB).

  3. Type the size you want to convert.

  4. Pick the target unit (e.g. GB).

  5. Read the converted value instantly.

  6. Switch modes to compare how the same number reads in either system.

La fórmula

Cómo funciona MB to GB Converter

Decimal mode treats each step up as ×1000 - Kilo, Mega, Giga, Tera, Peta. This is the convention used by storage and networking industries: a '1 TB hard drive' really stores 1,000,000,000,000 bytes. Binary mode treats each step as ×1024 - Kibi, Mebi, Gibi, Tebi (KiB, MiB, GiB, TiB). This is how memory and operating systems count (Windows still labels GiB as 'GB', which is why a 1 TB drive shows up as roughly 931 GB in Explorer). 1 byte = 8 bits is the same in both modes - bit values divide by 8.

Formula

result = value × (fromUnit.toBytes / toUnit.toBytes)

  • Decimal1 KB = 10³ B; 1 MB = 10⁶; 1 GB = 10⁹; 1 TB = 10¹²
  • Binary1 KiB = 2¹⁰ B; 1 MiB = 2²⁰; 1 GiB = 2³⁰; 1 TiB = 2⁴⁰
  • 1 byte8 bits
  • 1 GB ↔ 1 GiB1 GiB = 1.07374 GB; 1 GB = 0.93132 GiB
Las matemáticas

Cómo obtiene MB to GB Converter su resultado

Decimal conversion: each unit step is ×1000. 1 KB = 1000 bytes, 1 MB = 1000 KB, 1 GB = 1000 MB, 1 TB = 1000 GB. This is used by SSD/HDD manufacturers, mobile phone storage labels and ISPs. So 5000 MB = 5 GB in decimal mode.

Binary conversion: each unit step is ×1024. 1 KiB = 1024 bytes, 1 MiB = 1024 KiB, 1 GiB = 1024 MiB, 1 TiB = 1024 GiB. Operating systems and RAM historically use binary. So 5000 MiB = 4.8828 GiB. This is why the same raw byte count can show different 'GB' values depending on software.

Bits vs bytes: 1 byte = 8 bits. Internet speed is usually shown in Mbps (megabits per second), while download managers often show MB/s (megabytes per second). A 100 Mbps connection has a theoretical maximum of 12.5 MB/s before network overhead. Confusing MB and Mb makes internet plans look eight times faster or slower than expected.

Ejemplos

Ejemplos resueltos

Convert 5000 MB to GB

Decimal mode: 5000 MB ÷ 1000 = 5 GB. Binary mode: 5000 MiB ÷ 1024 = 4.8828 GiB. Use decimal for storage plans, binary for OS-like readings.

Why 1 TB drive shows around 931 GB

1 TB decimal = 1,000,000,000,000 bytes. Windows divides by 1024³ = 1,073,741,824 and gets 931.32 GiB, but labels it GB. The drive capacity is correct; the label convention is confusing.

100 Mbps broadband to MB/s

100 megabits per second ÷ 8 = 12.5 megabytes per second theoretical. With overhead and server limits, real downloads may show around 10-11.5 MB/s.

Casos de uso

Cuándo usar MB to GB Converter

  • Phone and laptop storage planning - GB and TB comparisons.
  • Broadband plans - Mbps to MB/s understanding.
  • Game downloads - estimating size in GB and download speed.
  • Cloud storage - Google Drive, iCloud, OneDrive usage.
  • Video production - file sizes for 4K footage and exports.
  • RAM and system memory - binary GiB interpretation.
  • External hard drive and SSD capacity checks.
  • School and computer science assignments on data units.
Cuidado

Errores y trampas habituales

  • Confusing MB with Mb. Capital B means byte; lowercase b means bit.
  • Assuming 1 GB always means 1024 MB. It depends on decimal or binary context.
  • Thinking a 1 TB drive showing 931 GB is defective.
  • Ignoring download overhead when converting Mbps to MB/s.
  • Mixing KiB/MiB/GiB with KB/MB/GB in technical documentation.
Consejos

Saca más partido a esta herramienta

  • For internet speeds, divide Mbps by 8 to estimate MB/s.
  • For storage marketing, use decimal mode.
  • For operating system memory/disk display, compare with binary mode.
  • Keep bit/byte notation clear in notes: Mbps is not MBps.
  • Pair with the bandwidth calculator when file size affects download time.
Preguntas frecuentes

Preguntas sobre MB to GB Converter

How many MB are in a GB?

It depends on the mode. In decimal (storage/ISP convention), 1 GB = 1,000 MB. In binary (operating system convention), 1 GiB = 1,024 MiB. Hard drives, USB sticks and broadband plans use decimal; Windows and Linux disk reporting use binary while still labeling it 'GB'.

Why does my 1 TB hard drive show up as 931 GB in Windows?

The drive really does hold 1 trillion bytes (1 TB decimal). But Windows divides by 1024 three times (instead of 1000) to show GB, giving 1,000,000,000,000 / 1024³ ≈ 931.32. So the number is correct in binary GiB - it's just labeled inconsistently.

What is the difference between MB and Mb (megabyte vs megabit)?

Big B means byte (8 bits), small b means bit. Internet plans are usually advertised in Mbps (megabits per second), but downloads show MB/s (megabytes per second). A 100 Mbps connection downloads at roughly 12.5 MB/s (100 ÷ 8).

What does KiB, MiB, GiB mean?

These are the official IEC binary prefixes - Kibi, Mebi, Gibi - defined in 1998 to remove the KB/GB ambiguity. 1 KiB = 1024 bytes exactly. Linux, macOS Activity Monitor, and modern storage tools increasingly use them.

How many GB is 5,000 MB?

Decimal: 5,000 ÷ 1,000 = 5 GB. Binary (treating MB as MiB): 5,000 ÷ 1,024 ≈ 4.88 GiB. Both are valid depending on context.

How fast can I download a 1 GB file on a 100 Mbps connection?

100 Mbps = 12.5 MB/s. 1 GB = 1,000 MB (decimal). 1,000 / 12.5 = 80 seconds, ignoring overhead. In practice, expect 90–110 s with TCP/HTTP overhead.

What's after TB?

Petabyte (PB) = 1,000 TB or 1,024 TiB. Then Exabyte, Zettabyte, Yottabyte. Most consumer and enterprise contexts stop at PB.

Convert with confidence

Conversion math is exact for unit families that share a base - every length unit can be expressed in metres, every weight in kilograms, every temperature in kelvin. The only real decisions are precision (how many decimals to display) and rounding (banker's rounding vs round-half-up). This converter exposes both. For currencies and crypto we pull live rates because they change every minute; for everything else the math works offline.

Indian land units (gaj, ground, bigha, acre, hectare) are wired into the area converter alongside global ones - useful for property listings and government records. The MB-to-GB converter handles the decimal-vs-binary distinction (1 GB = 1,000 MB in storage marketing, but operating systems display 1 GiB = 1,024 MiB) so you stop wondering why your '2 TB drive' shows up as 1.81 TB in Windows.

The MB to GB Converter is part of the Converters suite on Online Calculator Tools, alongside 6 related calculators. All tools share the same UI patterns, the same privacy-first rendering (nothing is sent to a server), and the same commitment to showing the formula and assumptions behind every result.