Krillion Unlimited Practice

Name an SI prefix for a power of ten greater than one.

Use the recognized prefix list checked in 2026. Enter the full prefix name, not its symbol.

Twelve SI prefixes multiply a unit by a factor greater than one, from deca through quetta.

Reveal all 12 checked answers and scores

Points are editorial tiers. The source supports membership in the set, not how many people know an answer.

Kilo 25 · Familiar
Kilo is in the 12-answer set defined by this question.
Mega 25 · Familiar
Mega is in the 12-answer set defined by this question.
Giga 25 · Familiar
Giga is in the 12-answer set defined by this question.
Tera 50 · Less common
Tera is in the 12-answer set defined by this question.
Hecto 50 · Less common
Hecto is in the 12-answer set defined by this question.
Deca 50 · Less common
Deca is in the 12-answer set defined by this question.

Also accepted: Deka

Peta 75 · Uncommon
Peta is in the 12-answer set defined by this question.
Exa 75 · Uncommon
Exa is in the 12-answer set defined by this question.
Zetta 75 · Uncommon
Zetta is in the 12-answer set defined by this question.
Yotta 100 · Rare
Yotta is in the 12-answer set defined by this question.
Ronna 100 · Rare
Ronna is in the 12-answer set defined by this question.
Quetta 100 · Rare
Quetta is in the 12-answer set defined by this question.

Checked exclusions

  • Milli: Milli scales a unit down to 10^-3.
  • Micro: Micro scales a unit down to 10^-6.

Sources for this question

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