Digital Storage • NIST Exact

Terabytes Megabytes

TB → MB

1 TB = 1,000,000 MBNIST Exact

NIST Exact

Based on U.S. National Institute of Standards

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TB → MB Reference Table

TB MB
0.001 TB 1000 MB
0.002 TB 2000 MB
0.003 TB 3000 MB
0.004 TB 4000 MB
0.005 TB 5000 MB
0.006 TB 6000 MB
0.007 TB 7000 MB
0.008 TB 8000 MB
0.009 TB 9000 MB
0.01 TB 10000 MB
0.02 TB 20000 MB
0.03 TB 30000 MB
0.04 TB 40000 MB
0.05 TB 50000 MB
0.06 TB 60000 MB
0.07 TB 70000 MB
0.08 TB 80000 MB
0.09 TB 90000 MB
0.1 TB 100000 MB
0.2 TB 200000 MB
0.3 TB 300000 MB
0.4 TB 400000 MB
0.5 TB 500000 MB
0.6 TB 600000 MB
0.7 TB 700000 MB
0.8 TB 800000 MB
0.9 TB 900000 MB
1 TB 1000000 MB
1.5 TB 1500000 MB
2 TB 2000000 MB
2.5 TB 2500000 MB
3 TB 3000000 MB
3.5 TB 3500000 MB
4 TB 4000000 MB
4.5 TB 4500000 MB
5 TB 5000000 MB
5.5 TB 5500000 MB
6 TB 6000000 MB
6.5 TB 6500000 MB
7 TB 7000000 MB
7.5 TB 7500000 MB
8 TB 8000000 MB
8.5 TB 8500000 MB
9 TB 9000000 MB
9.5 TB 9500000 MB
10 TB 10000000 MB
11 TB 11000000 MB
12 TB 12000000 MB
13 TB 13000000 MB
14 TB 14000000 MB
15 TB 15000000 MB
16 TB 16000000 MB
17 TB 17000000 MB
18 TB 18000000 MB
19 TB 19000000 MB
20 TB 20000000 MB
25 TB 25000000 MB
30 TB 30000000 MB
35 TB 35000000 MB
40 TB 40000000 MB
45 TB 45000000 MB
50 TB 50000000 MB
55 TB 55000000 MB
60 TB 60000000 MB
65 TB 65000000 MB
70 TB 70000000 MB
75 TB 75000000 MB
80 TB 80000000 MB
85 TB 85000000 MB
90 TB 90000000 MB
95 TB 95000000 MB
100 TB 100000000 MB
120 TB 120000000 MB
125 TB 125000000 MB
130 TB 130000000 MB
140 TB 140000000 MB
150 TB 150000000 MB
160 TB 160000000 MB
175 TB 175000000 MB
180 TB 180000000 MB
200 TB 200000000 MB
225 TB 225000000 MB
250 TB 250000000 MB
275 TB 275000000 MB
300 TB 300000000 MB
350 TB 350000000 MB
400 TB 400000000 MB
450 TB 450000000 MB
500 TB 500000000 MB
600 TB 600000000 MB
700 TB 700000000 MB
750 TB 750000000 MB
800 TB 800000000 MB
900 TB 900000000 MB
1000 TB 1000000000 MB
1200 TB 1200000000 MB
1250 TB 1250000000 MB
1500 TB 1500000000 MB
1750 TB 1750000000 MB
2000 TB 2000000000 MB
2500 TB 2500000000 MB
3000 TB 3000000000 MB
4000 TB 4000000000 MB
4500 TB 4500000000 MB
5000 TB 5000000000 MB
6000 TB 6000000000 MB
7000 TB 7000000000 MB
7500 TB 7500000000 MB
8000 TB 8000000000 MB
9000 TB 9000000000 MB
10000 TB 10000000000 MB
15000 TB 15000000000 MB
20000 TB 20000000000 MB
25000 TB 25000000000 MB
50000 TB 50000000000 MB
75000 TB 75000000000 MB
100000 TB 100000000000 MB

Values based on NIST SP 811 conversion factors

Why Convert Terabytes to Megabytes?

Converting between terabytes (TB) and megabytes (MB) is one of the most common digital storage conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert TB to MB saves time and prevents errors.

Digital storage conversions (TB to MB) are essential for IT professionals, content creators, and everyday computer users. Understanding the difference between bits and bytes is crucial when calculating internet speeds versus file sizes. Photographers and video editors need to convert terabytes and gigabytes to manage backups and estimate cloud storage costs. Confusion often arises between binary (1024) and decimal (1000) prefixes used by hardware manufacturers versus operating systems, leading to apparent 'missing' space on hard drives. Accurate conversion helps in planning server capacity, data transfer times, and device purchases.

How to Convert Terabytes to Megabytes

To convert terabytes to megabytes, use the following formula:

MB = TB × 1000000

Example: 1 TB = 1000000 MB

For example, 5 TB = 5000000 MB, 10 TB = 10000000 MB, and 100 TB = 100000000 MB. For larger values, 1000 TB = 1000000000 MB. Conversely, 1 MB = 0.000001 TB. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

  • Bit vs Byte: 1 Byte = 8 Bits. Internet speed is usually bits (Mb/s), file size is Bytes (MB).
  • Base 10 vs Base 2: Hard drive makers use Base 10 (1KB=1000B), OS uses Base 2 (1KiB=1024B).
  • B vs b: MB is Megabyte, Mb is Megabit.

Pro Tips

  • Storage buying: A 1TB drive usually shows as ~930GB in Windows due to decimal/binary difference.
  • Data caps: Streaming HD video uses ~3GB/hour.
  • Backup rule: 3-2-1 rule: 3 copies, 2 media types, 1 offsite.

What is a Terabyte?

10¹² bytes.

Hard drives.

What is a Megabyte?

1,000,000 bytes.

MP3s, photos.

Frequently Asked Questions

How many megabytes are in 1 terabyte?

1 TB equals 1000000 MB. This is an exact conversion factor defined by NIST.

How do I convert terabytes to megabytes?

Multiply the value in TB by the conversion factor. For example, 10 TB = 10000000 MB. Use our calculator above for instant results.

Is the terabytes to megabytes conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

Can I convert terabytes to megabytes offline?

Yes! OmniConvert runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between terabytes and megabytes?

Terabytes (TB) and Megabytes (MB) are both units of digital storage but belong to different measurement systems. 1 TB = 1000000 MB. Use the converter above to switch between them instantly.

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