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Terabytes to Tebibytes (TB to TiB)

Convert terabytes to tebibytes: 1 TB = 0.909495 TiB. Exact conversion factor, formula, 18-row table and worked examples, with JSON API and MCP access.

Formula

1 TB = 0.909495 TiB

tebibytes = terabytes × 0.9094947018 — reverse: terabytes = tebibytes × 1.099511628

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 tebibytes conversion table

Terabytes (TB)Tebibytes (TiB)
10.909495
21.81899
43.63798
87.27596
1614.5519
3229.1038
6458.2077
10090.9495
128116.415
256232.831
500454.747
512465.661
1000909.495
1024931.323
20481862.65
40963725.29
81927450.58
100009094.95

FAQ

How many tebibytes are in one terabyte?

1 TB = 0.909495 TiB. 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 tebibytes?

Multiply the value in terabytes by 0.9094947018: tebibytes = terabytes × 0.9094947018. For example, 1.5 TB = 1.36424 TiB.

How do I convert tebibytes back to terabytes?

Multiply by the inverse factor 1.099511628 (terabytes = tebibytes × 1.099511628), or use the tebibytes-to-terabytes page.

Related conversions

Machine access

Sources