Convert Deci to Centi

Deci (d) 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 d = 10 c

1 Deci = 10 Centi

1 Centi = 0.1 Deci

1 d in every supported prefix

Conversion chart: Deci to Centi

Conversion table

Deci (d)	Centi (c)
0.01 d	0.1 c
0.1 d	1 c
1 d	10 c
2 d	20 c
3 d	30 c
5 d	50 c
10 d	100 c
20 d	200 c
50 d	500 c
100 d	1000 c
1000 d	10000 c

Deci (d)

Definition: An SI prefix denoting a factor of 10⁻¹ — one tenth of the base unit.

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

Current use: Most familiar in the deciliter (common in European recipes and beverage serving sizes) and the decibel, a logarithmic (not linear-prefix) unit that borrows the name.

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 Deci → Centi: multiply by 10. For example, 1 d × 10 = 10 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 d equals 10 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 Deci?

1 Deci (d) equals exactly 10 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 Deci to Other Prefixes

Possible Prefix Conversions

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