Megabyte to Gigabyte Converter
Convert MB to GB instantly. Free MB to GB calculator with formula, examples and FAQs.
Converted value
0.00
1.00 MB = 0.00 GB
What is MB to GB?
Megabyte and Gigabyte both measure data, so converting MB to GB restates the same quantity in a different unit. Everyday users and creators reach for this conversion regularly. The relationship is fixed and linear, which means one factor (GB = MB × 0.001) maps every MB value to its exact GB equivalent.
Where you'll use MB to GB
- •Checking photo, song and app sizes.
- •Estimating mobile data usage.
- •Reading upload and download limits.
- •Sizing media files for the web.
- •Estimating monthly data plans.
Formula
GB = MB × 0.001
Example calculations
- •1 MB = 0.001 GB
- •100 MB = 0.1 GB
- •500 MB = 0.5 GB
MB to GB conversion table
| MB | GB |
|---|---|
| 1 | 0.001 |
| 8 | 0.008 |
| 64 | 0.064 |
| 128 | 0.128 |
| 256 | 0.256 |
| 512 | 0.512 |
| 1024 | 1.024 |
Common mistakes to avoid
- •Reading the result the wrong way round. Confirm the answer is in GB, not MB, before you rely on it.
- •Truncating instead of rounding, which compounds error across larger MB values.
- •Mixing bits and bytes — 1 byte = 8 bits, and storage is usually quoted in bytes while bandwidth is often in bits.
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Frequently asked questions
How do I convert MB to GB?
Multiply your MB value by the conversion factor, or use the formula: GB = MB × 0.001. The calculator above applies this instantly in your browser.
What is the formula for MB to GB?
The standard conversion is: GB = MB × 0.001. Enter any MB value above and the calculator returns the equivalent in GB immediately.
How do I convert GB back to MB?
Swap the units in the calculator, or open our dedicated GB-to-MB page for the inverse formula, examples and table.
When would I need to convert MB to GB?
A common situation is estimating mobile data usage. It also helps everyday users and creators. Bookmark this page for quick MB to GB lookups.
Is this MB to GB converter accurate, and is my data private?
Yes on both counts. Conversions use standard international factors and precise floating-point math, and everything runs locally in your browser — nothing you type is uploaded.
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