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Convert None (base unit) to Centi

None (base unit) (—) 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.

The numeric value you want to convert. Decimals are accepted.

Result

1 — = 100 c

1 None (base unit) = 100 Centi

1 Centi = 0.01 None (base unit)

1 — in every supported prefix

Conversion chart: None (base unit) to Centi

Conversion table

None (base unit) (—) Centi (c)
0.01 — 1 c
0.1 — 10 c
1 — 100 c
2 — 200 c
3 — 300 c
5 — 500 c
10 — 1000 c
20 — 2000 c
50 — 5000 c
100 — 10000 c
1000 — 100000 c

None (base unit) (—)

Definition: The unprefixed base value — a multiplier of exactly 1, representing a quantity with no SI prefix attached at all (e.g. a plain gram, meter, or watt rather than a kilogram, kilometer, or milliwatt).

History: This isn't a historical unit in its own right — it's simply the reference point the entire SI prefix ladder is built around, against which every prefix above and below is defined as a power of ten.

Current use: Used as the baseline whenever a quantity is expressed without any prefix, and as the anchor point for converting any other prefix on this page to any other.

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 None (base unit) → Centi: multiply by 100. For example, 1 — × 100 = 100 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 — equals 100 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 None (base unit)?

1 None (base unit) (—) equals exactly 100 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 None (base unit) to Other Prefixes

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

Possible Prefix Conversions

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

See also