Convert Peta to Centi

Peta (P) to Centi (c) SI prefix conversion — enter any value below to get an instant result, or use the table for common values.

Results from this calculator are estimates provided for general informational purposes only, based on formulas, rates, and standards commonly accepted as of 2026. Figures may differ slightly from other calculators or professional sources due to rounding methods, differing assumptions, or regional regulations, and rules may change over time. Always consult a qualified professional — such as a financial advisor, healthcare provider, or other relevant specialist — before making decisions based on these results.

Value

From

Result

1 P = 1E+17 c

1 Peta = 1E+17 Centi

1 Centi = 1E-17 Peta

1 P in every supported prefix

Conversion chart: Peta to Centi

Conversion table

Peta (P)	Centi (c)
0.01 P	1E+15 c
0.1 P	1E+16 c
1 P	1E+17 c
2 P	2E+17 c
3 P	3E+17 c
5 P	5E+17 c
10 P	1E+18 c
20 P	2E+18 c
50 P	5E+18 c
100 P	1E+19 c
1000 P	1E+20 c

Peta (P)

Definition: An SI prefix denoting a factor of 10¹⁵ — a quadrillion times the base unit.

History: Adopted by the CGPM in 1975 as part of the same extension that introduced exa-, tera having already proven insufficient for emerging large-scale scientific quantities.

Current use: Widely used in computing (petabytes of storage, petaflops of processing power) and in physics for large energy and frequency quantities.

Centi (c)

Definition: An SI prefix denoting a factor of 10⁻² — one hundredth of the base unit.

History: One of the original six metric prefixes adopted in France in 1795, from the Latin 'centum' (hundred).

Current use: Extremely common in everyday measurement — centimeters for length and centiliters for small liquid volumes are used worldwide.

Supported Units

Prefix	Symbol	Multiplier (× base)
Yotta	Y	1E+24
Zetta	Z	1E+21
Exa	E	1E+18
Peta	P	1E+15
Tera	T	1E+12
Giga	G	1E+09
Mega	M	1000000
Kilo	k	1000
Hecto	h	100
Deka	da	10
None (base unit)	—	1
Deci	d	0.1
Centi	c	0.01
Milli	m	0.001
Micro	µ	1E-06
Nano	n	1E-09
Pico	p	1E-12
Femto	f	1E-15
Atto	a	1E-18
Zepto	z	1E-21
Yocto	y	1E-24

About These Parameters

Value: The number of "From" prefix units you want to re-express in the "To" prefix. Since prefixes are just multiplier scales, this value can represent anything from a physical quantity's leading digits to a plain abstract number.
From Unit: The SI prefix your value is currently scaled by — for example, the "kilo" in "kilogram" or the "nano" in "nanosecond," entered here without the base unit attached.
To Unit: The SI prefix you want the value re-expressed in. Use the swap button to flip From and To instantly, handy when converting a datasheet figure from one prefix scale to another.

How Prefix Conversion Works

The Formula

Every SI prefix is defined by a fixed power-of-ten multiplier relative to the unprefixed base value. To convert a value from one prefix scale to another:

result = value × (multiplier of "From" prefix ÷ multiplier of "To" prefix)

For Peta → Centi: multiply by 1E+17. For example, 1 P × 1E+17 = 1E+17 c.

A History of Powers of Ten

The original six metric prefixes — kilo, hecto, deka, deci, centi, milli — were adopted by the French Academy of Sciences in 1795 alongside the metric system itself. As science and industry needed to describe ever-larger and ever-smaller quantities, the CGPM (Conférence Générale des Poids et Mesures) extended the table repeatedly: mega and micro in 1960 when the modern SI was formalized, giga and nano the same year, tera and pico following soon after, then peta/femto (1975), exa/atto (1975), and finally zetta/zepto and yotta/yocto in 1991 — the classical range covered on this page. In 2022 the CGPM went further still, adding ronna/ronto and quetta/quecto to keep pace with data-storage and astrophysical quantities that had begun to outgrow even yotta.

Why a Prefix-Only Converter Is Useful

Every other unit converter on this site attaches these same prefixes to one specific base unit — grams, watts, bytes, farads — because that's how the prefix is actually used in practice. But the underlying math of "how much bigger is giga than mega" never changes no matter which unit it's modifying, so it's often faster to reason about the prefix scale on its own: quickly checking that a "giga" figure is a billion and not a million, or converting a "nano" measurement from one datasheet into the "micro" scale used by a different one, without needing to know or care what physical quantity either figure describes.

Example

1 P equals 1E+17 c. Whatever base unit these prefixes are actually attached to — grams, bytes, watts, seconds — the same multiplier ratio applies: 1 kilo- is always 1,000 times 1 (unprefixed), and 1 mega- is always 1,000 times 1 kilo-, regardless of the quantity being measured.

Frequently Asked Questions

How many Centi are in 1 Peta?

1 Peta (P) equals exactly 1E+17 Centi (c).

Is giga a billion or a million?

Giga is always a billion (10⁹) times the base unit — a common point of confusion is with "mega," which is a million (10⁶). The two are frequently mixed up in casual conversation about data storage and computing speed, which is exactly the kind of mistake this converter is designed to catch.

Does this converter work for any unit, like grams or bytes?

Yes — this converter deliberately ignores the underlying unit and works purely with the multiplier scale. "1 kilo- to mega-" gives the same ratio (0.001) whether you mentally attach it to grams, watts, bytes, or any other quantity, because the prefix's multiplier is independent of what it's modifying.

What does "None (base unit)" mean in the unit list?

"None (base unit)" represents a value with no prefix attached at all — a plain gram, meter, or watt rather than a kilogram, kilometer, or milliwatt. It's included so you can convert directly between an unprefixed value and any prefixed scale, such as figuring out how many kilo- units equal one plain (unprefixed) unit.

Are ronna, ronto, quetta, and quecto included here?

Not yet — this page covers the classical SI prefix range from yotta (10²⁴) down to yocto (10⁻²⁴), which was complete from 1991 until 2022. The newer 2022 additions (ronna/ronna-, quetta/quecto) sit beyond even yotta and yocto and aren't included in this table.

Convert Peta to Other Prefixes

Possible Prefix Conversions

Centi to Atto Hecto to Mega Atto to Micro Atto to Femto Nano to Yocto Deka to None (base unit) Atto to Mega Mega to Yotta Giga to Tera Micro to Zepto Peta to Yocto Milli to Giga Giga to Kilo Nano to Mega Exa to Zetta Centi to Yocto Hecto to Nano Hecto to Deka Yotta to Hecto Kilo to Centi Milli to Femto Yocto to Hecto Zepto to Milli Deci to Zetta Nano to Hecto Peta to Micro Mega to Exa Femto to Atto Zetta to Femto Deka to Deci Yotta to None (base unit) Femto to Deci Atto to Peta Zepto to Exa Deci to Exa Milli to Atto None (base unit) to Hecto Zetta to Kilo Centi to Exa Nano to Deka Hecto to Tera Kilo to Milli Pico to Mega Mega to Femto Pico to Micro Peta to Femto Zetta to Yotta Micro to Zetta Pico to None (base unit) Exa to None (base unit) Centi to Pico Deci to Mega Milli to Mega Giga to Nano Peta to Yotta Micro to Giga Deci to Nano Tera to Atto Zepto to Pico Milli to Exa Atto to Nano Deci to Micro Exa to Femto Zetta to Hecto Yocto to None (base unit) Tera to Mega Yotta to Micro Exa to Peta Kilo to Zetta Zetta to Deci Kilo to Exa Zepto to Mega Zepto to Yocto Exa to Deka Giga to Pico Peta to Nano Centi to Milli Kilo to Femto Yotta to Exa Milli to Peta Mega to Pico Nano to Tera Yocto to Deka None (base unit) to Femto Zepto to Giga Pico to Deci Milli to Zepto Zepto to Femto Deka to Hecto Mega to Tera Zepto to Peta Exa to Milli None (base unit) to Centi Nano to Centi Hecto to Zetta Nano to Peta Deci to Giga Zepto to Centi Exa to Yotta Femto to Zepto Atto to Yocto None (base unit) to Zepto Deka to Milli Nano to None (base unit) Milli to Pico Peta to Hecto Femto to Giga Centi to Deci None (base unit) to Kilo Zepto to Deka Femto to Micro Hecto to Yotta Peta to Mega Kilo to Tera Zetta to Giga Yocto to Giga Micro to Yocto Femto to Exa Yocto to Exa Tera to Deka Femto to Mega Hecto to Yocto Giga to Exa Femto to Centi Yocto to Atto Deka to Pico Yocto to Tera Atto to Exa Kilo to Micro Atto to Pico Yotta to Deci Nano to Zetta Micro to Milli Atto to Tera Centi to None (base unit) Mega to Zetta Peta to Giga Zetta to Nano Femto to Hecto Zepto to None (base unit) Centi to Mega Exa to Kilo Pico to Nano Zetta to Mega Yocto to Micro Mega to Giga Giga to None (base unit) Tera to Deci Deci to Peta Giga to Femto None (base unit) to Milli Pico to Exa Yocto to Zepto Hecto to Centi Milli to Zetta Deci to Yocto Giga to Zetta Yotta to Yocto Peta to Exa Zetta to Milli Hecto to Giga Centi to Hecto Deka to Zetta Tera to Kilo Femto to Peta Centi to Giga Exa to Pico Zepto to Hecto Giga to Centi None (base unit) to Mega Kilo to Giga Zepto to Nano Zetta to Tera Kilo to Mega Zepto to Kilo Nano to Exa None (base unit) to Tera Zetta to Peta Deka to Exa Centi to Nano Femto to Yotta Micro to Femto Zetta to Yocto Exa to Yocto Yotta to Nano Mega to Kilo Yotta to Peta Deka to Centi Deci to Femto Micro to Atto Mega to Yocto Micro to Nano Pico to Milli None (base unit) to Yotta Pico to Femto Zetta to None (base unit) Deka to Kilo Mega to Zepto Peta to Milli Exa to Tera Mega to None (base unit) Nano to Femto Tera to None (base unit) Hecto to Deci Peta to Zetta Giga to Yocto Nano to Micro Kilo to Peta Exa to Deci Tera to Milli Milli to Tera Centi to Tera Tera to Pico Atto to Yotta Mega to Deka Deka to Nano Yotta to Zepto Micro to Pico Kilo to Deci Deka to Yotta Zetta to Exa Milli to Yocto Pico to Atto Kilo to Pico Yotta to Pico Pico to Tera Mega to Micro Femto to Tera Deci to Milli Atto to Hecto None (base unit) to Yocto Mega to Deci Yotta to Milli Atto to Zetta Deka to Atto Deci to Centi Deka to Peta Giga to Deka Pico to Zepto Tera to Zetta Milli to Deka Femto to Yocto Pico to Zetta Tera to Micro Femto to Zetta Giga to Zepto Micro to Deci Deci to Pico Deka to Zepto Micro to Mega Micro to None (base unit) Yotta to Centi None (base unit) to Micro Tera to Hecto Deka to Giga None (base unit) to Zetta Zepto to Zetta None (base unit) to Giga Nano to Kilo Milli to Deci Deka to Mega Peta to Kilo Yocto to Zetta Yocto to Mega Pico to Giga Tera to Nano Peta to Pico Femto to Deka Giga to Yotta Femto to None (base unit) Yotta to Atto Hecto to Exa Giga to Milli None (base unit) to Atto Kilo to Zepto Tera to Giga Zetta to Atto Giga to Mega Micro to Peta Peta to Zepto Tera to Yotta Exa to Zepto Centi to Yotta Hecto to Zepto Milli to Micro Exa to Centi Yocto to Peta Zetta to Centi Milli to Nano Deci to Hecto Zetta to Pico Nano to Yotta Zepto to Tera None (base unit) to Pico Yocto to Centi Yotta to Femto Peta to Tera Atto to Giga Pico to Yocto Femto to Pico Micro to Kilo Yocto to Milli Femto to Nano Exa to Hecto Pico to Centi Nano to Atto Femto to Milli Kilo to None (base unit) None (base unit) to Peta Milli to Kilo Yotta to Kilo Nano to Giga Deci to Tera Pico to Peta Zetta to Micro Micro to Centi Yocto to Kilo Exa to Giga Peta to Centi Milli to None (base unit) Zepto to Micro Deka to Tera Mega to Peta Yocto to Nano Mega to Atto Centi to Peta Kilo to Yocto Deka to Yocto Deci to Atto Yocto to Femto Milli to Hecto Hecto to None (base unit) Zepto to Atto Tera to Zepto Centi to Micro None (base unit) to Deka Pico to Hecto Centi to Zetta Zepto to Yotta Atto to Kilo Nano to Milli Exa to Atto Deci to Zepto Kilo to Deka Hecto to Kilo Tera to Exa Deci to None (base unit) Hecto to Atto Atto to Milli Centi to Femto Centi to Zepto Atto to Zepto Deka to Micro None (base unit) to Deci Deci to Kilo Deci to Yotta Kilo to Yotta Zepto to Deci Giga to Peta Milli to Centi Atto to None (base unit) Zetta to Zepto Milli to Yotta Mega to Centi Tera to Centi None (base unit) to Exa Deka to Femto Exa to Mega Atto to Deka Giga to Hecto Deci to Deka Hecto to Peta Hecto to Milli Micro to Deka Yotta to Deka Centi to Kilo Centi to Deka Giga to Micro Yocto to Pico Kilo to Nano None (base unit) to Nano Atto to Centi Pico to Yotta Nano to Zepto Kilo to Atto Hecto to Femto Kilo to Hecto Peta to Deka Femto to Kilo Micro to Yotta Yotta to Giga Hecto to Pico Hecto to Micro Yocto to Yotta Yotta to Zetta Yotta to Mega Exa to Micro Exa to Nano Atto to Deci Tera to Femto Tera to Yocto Nano to Deci Pico to Kilo Peta to Deci Pico to Deka Mega to Hecto Nano to Pico Giga to Deci Mega to Nano Zetta to Deka Micro to Tera Peta to None (base unit) Peta to Atto Micro to Exa Yotta to Tera Mega to Milli Giga to Atto Yocto to Deci Micro to Hecto Tera to Peta