SI prefix converter
Convert centi to milli
1 c = 10 m — to convert centi to milli, multiply by 10.
Centi to milli calculator
1 c = 10 m
Centi to milli at a glance
1 c = 10 m
× 10
1 place right
10⁻² → 10⁻³
Centi to milli formula and conversion factor
Every SI prefix is a whole power of ten. Centi is 10⁻² of the base unit and milli is 10⁻³, so the two are exactly 1 power of ten apart. That makes the factor exactly 10 — not an approximation, and it never changes with the unit you are measuring.
m = c × 10
10⁻² ÷ 10⁻³ = 10¹ = 10
1 c = 10 m
5 c = 50 m
100 c = 1,000 m
1000 c = 10,000 mCenti to milli conversion table
The values people look up most often, converted exactly. Read down for centi (c), across for milli (m).
In words: 10 c is 100 m, 100 c is 1,000 m, 500 c is 5,000 m, 1000 c is 10,000 m, 2000 c is 20,000 m, and 5000 c is 50,000 m.
| Centi (c) | Milli (m) |
|---|---|
| 0.0009 c | 0.009 m |
| 0.001 c | 0.01 m |
| 0.005 c | 0.05 m |
| 0.008 c | 0.08 m |
| 0.01 c | 0.1 m |
| 0.02 c | 0.2 m |
| 0.05 c | 0.5 m |
| 0.1 c | 1 m |
| 0.2 c | 2 m |
| 0.4 c | 4 m |
| 0.5 c | 5 m |
| 1 c | 10 m |
| 2 c | 20 m |
| 5 c | 50 m |
| 7 c | 70 m |
| 10 c | 100 m |
| 20 c | 200 m |
| 50 c | 500 m |
| 100 c | 1,000 m |
| 200 c | 2,000 m |
| 250 c | 2,500 m |
| 300 c | 3,000 m |
| 400 c | 4,000 m |
| 500 c | 5,000 m |
| 800 c | 8,000 m |
| 1,000 c | 10,000 m |
| 2,000 c | 20,000 m |
| 5,000 c | 50,000 m |
How to convert centi to milli without a calculator
Move the decimal point 1 place to the right, padding with zeros if you run out of digits. Going to a smaller prefix always makes the number bigger, because it takes more of a smaller unit to describe the same quantity.
The check that catches almost every mistake: compare the two exponents before you write the answer. Centi is 10⁻², milli is 10⁻³. If the prefix you are moving to is smaller, the digits must grow. If your answer moved the wrong way, you divided when you should have multiplied — the failure mode behind more than one real unit-conversion incident.
Centi to milli FAQ
- How do you convert centi to milli?
- To convert centi to milli, multiply by 10. That is the same as moving the decimal point 1 place to the right. For example, 1 c = 10 m, and 5 c = 50 m.
- How many milli are in 1 centi?
- There are exactly 10 milli in 1 centi. Centi (c) is 10⁻² of the base unit and milli (m) is 10⁻³, so they sit 1 power of ten apart — a factor of exactly 10, with no rounding.
- Is 1 centi equal to 1 milli?
- No. Centi and milli are different SI prefixes 1 power of ten apart. Centi is 10 times larger than milli, so 1 c = 10 m.
- Is the centi to milli conversion exact?
- Yes. Every SI prefix is a whole power of ten, so centi to milli is exactly × 10 with no rounding. This calculator shifts the decimal exponent instead of multiplying in binary floating point, so a value like 1.001 c returns an exact result rather than one with a trailing rounding error.
- Is centi bigger or smaller than milli?
- Centi is bigger. Centi is 10⁻² and milli is 10⁻³, which makes centi 10 times larger. The number always moves the other way: a quantity written in the smaller unit uses the bigger number.