Peta to Atto Conversion

Convert between Peta and Atto quickly and accurately.

P
a

How to Convert Peta to Atto

Conversion Formula

1 P = 1E+33 a
1 a = 1E-33 P

Example

Convert 15 P to a:

15 P = 15 × 1E+33 a = 1E+34 a

Unit Information

Learn about the prefixes units you're converting between

Peta

P

Definition

A metric prefix equal to 10^15, representing one quadrillion times the base unit.

History/Origin

Introduced in 1975 by the International Committee for Weights and Measures, derived from the Greek word "pente" meaning five, representing 10^15 = (10^3)^5.

Current Use

Used in computer science, data storage, and physics for very large quantities.

Multiplier

1E+15

Offset

0

Atto

a

Definition

A metric prefix equal to 10^-18, representing one-quintillionth of the base unit.

History/Origin

Introduced in 1964 by the International Committee for Weights and Measures, derived from the Danish word "atten" meaning eighteen.

Current Use

Used in physics, chemistry, and nanotechnology for extremely small quantities.

Multiplier

1E-18

Offset

0

Peta to Atto Conversion Table

Peta [P] Atto [a]
1 P 1E+33 a
10 P 1E+34 a
25 P 2E+34 a
50 P 5E+34 a
100 P 1E+35 a
0 P 0E+0 a
-10 P -1E+34 a
-40 P -4E+34 a