How many kilobytes are in one terabyte?

One terabyte equals 1,000,000,000 kB. The formula is kB = TB × 1,000,000,000.

How do I convert terabytes to kilobytes?

Multiply the value in terabytes by 1,000,000,000. For example, 100 × 1,000,000,000 = 100,000,000,000 — so 100 TB = 100,000,000,000 kB.

Pair · linear · factor 1,000,000,000

terabytes to kilobytes

TBkB

Active unit

terabytes · ≈ 100,000,000,000,000 B (base)

All units

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TBterabyte100

How we calculated this

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Frequently asked questions

A glowing emerald storage disc wrapped in a dual grid of decimal and binary numbers, over a cosmic nebula in violet and magenta

Data (decimal)

Why a new 1 TB drive shows only 931 GB

You buy a "1 TB" drive, plug it in, and Windows reports 931 GB. Nothing was lost and nobody cheated you — it is a collision of two number systems, a hidden flash reserve, and a "formatting tax". We break the missing gigabytes down to the last byte.

9 min