💾 MB to GB Converter
Convert storage sizes from megabytes to gigabytes for quick comparisons.
Enter a value in megabytes to see its size in gigabytes. The reverse output confirms the original amount before you copy it.
Uses decimal prefixes (1 GB = 1,000 MB). Enter decimals or negative values if comparing differences.
Gigabytes (GB)
1.024 GB
Back to Megabytes
1,024 MB
Reverse conversion ensures there were no typos.
How to Use This Calculator
Enter megabytes
Type the MB value you want to convert. Decimals and negatives are accepted.
Review gigabytes
Multiply by 0.001 to get gigabytes—the calculator handles this automatically.
Verify the reverse value
The converter displays megabytes again from gigabytes to confirm accuracy before you copy.
Formula
GB = MB ÷ 1,000
MB = GB × 1,000
Decimal storage units: 1 MB = 10⁶ bytes, 1 GB = 10⁹ bytes. For binary (MiB/GiB), use 1,024-based factors.
Use the formula breakdown to confirm the calculation logic or perform the conversion manually if needed.
Full Description
Storage specifications often require converting between MB and GB, whether you’re sizing SSD partitions or quoting download sizes. This converter uses decimal prefixes to match the convention used by storage vendors and operating system UI elements.
Use it alongside the kB to MB and Byte Conversion calculators to translate values at other scales.
If you work with binary prefixes (MiB, GiB), divide or multiply by 1,024 instead of 1,000 for consistent results.
Frequently Asked Questions
Does this calculator use 1,000 or 1,024?
It uses decimal prefixes (1 GB = 1,000 MB). Adjust manually if you need binary prefixes (GiB, MiB).
Can I convert GB back to MB?
Yes. Divide the GB value by 0.001 or use the reverse output displayed beneath the main conversion.
What about negative values?
Negative values can represent differences or reductions and are supported mathematically.
How precise is the result?
Up to six decimal places are shown for gigabytes. Copying the value preserves the full precision provided by your browser.
Frequently Asked Questions
What does the MB to GB Converter do?
Convert mb to gb instantly with this free online converter. Useful for conversion tasks. Accurate results in your browser. No signup required. Enter your values above to see results instantly in your browser. This page is part of Try To Calculator's free online calculator collection.
Is the MB to GB Converter free?
Yes. Try To Calculator tools are free to use and do not require an account for this page.
Are my inputs sent to your servers?
No. Calculations run locally in your browser; we do not collect the numbers you type or the results shown.
Is the MB to GB Converter a substitute for professional advice?
This tool is for education and quick estimates. For medical, legal, tax, or financial decisions, confirm results with a qualified professional.
Where can I find related calculators?
Use the category navigation or the related tools section below to browse more Conversion calculators on Try To Calculator.