HomeUnit Conversion › Terabytes to Megabytes

Terabytes to Megabytes (TB to MB)

Convert terabytes to megabytes: 1 TB = 1000000 MB. Exact conversion factor, formula, 18-row table and worked examples, with JSON API and MCP access.

Formula

1 TB = 1000000 MB

megabytes = terabytes × 1000000 — reverse: terabytes = megabytes × 0.000001

The factor is derived from the SI definitions of both units (base unit: B) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.

Worked examples

Terabytes to megabytes conversion table

Terabytes (TB)Megabytes (MB)
11000000
22000000
44000000
88000000
1616000000
3232000000
6464000000
100100000000
128128000000
256256000000
500500000000
512512000000
10001000000000
10241024000000
20482048000000
40964096000000
81928192000000
1000010000000000

FAQ

How many megabytes are in one terabyte?

1 TB = 1000000 MB. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.

What is the formula to convert terabytes to megabytes?

Multiply the value in terabytes by 1000000: megabytes = terabytes × 1000000. For example, 1.5 TB = 1500000 MB.

How do I convert megabytes back to terabytes?

Multiply by the inverse factor 0.000001 (terabytes = megabytes × 0.000001), or use the megabytes-to-terabytes page.

Related conversions

Machine access

Sources