SI prefix converter
Convert micro to milli
1 µ = 0.001 m — to convert micro to milli, divide by 1,000.
Micro to milli calculator
1 µ = 0.001 m
Micro to milli at a glance
1 µ = 0.001 m
÷ 1,000
3 places left
10⁻⁶ → 10⁻³
Micro to milli formula and conversion factor
Every SI prefix is a whole power of ten. Micro is 10⁻⁶ of the base unit and milli is 10⁻³, so the two are exactly 3 powers of ten apart. That makes the factor exactly 1,000 — not an approximation, and it never changes with the unit you are measuring.
m = µ ÷ 1,000
10⁻⁶ ÷ 10⁻³ = 10⁻³ = 0.001
1 µ = 0.001 m
5 µ = 0.005 m
100 µ = 0.1 m
1000 µ = 1 mMicro to milli conversion table
The values people look up most often, converted exactly. Read down for micro (µ), across for milli (m).
In words: 10 µ is 0.01 m, 100 µ is 0.1 m, 500 µ is 0.5 m, 1000 µ is 1 m, 2000 µ is 2 m, and 5000 µ is 5 m.
| Micro (µ) | Milli (m) |
|---|---|
| 0.0009 µ | 0.0000009 m |
| 0.001 µ | 0.000001 m |
| 0.005 µ | 0.000005 m |
| 0.008 µ | 0.000008 m |
| 0.01 µ | 0.00001 m |
| 0.02 µ | 0.00002 m |
| 0.05 µ | 0.00005 m |
| 0.1 µ | 0.0001 m |
| 0.2 µ | 0.0002 m |
| 0.4 µ | 0.0004 m |
| 0.5 µ | 0.0005 m |
| 1 µ | 0.001 m |
| 2 µ | 0.002 m |
| 5 µ | 0.005 m |
| 7 µ | 0.007 m |
| 10 µ | 0.01 m |
| 20 µ | 0.02 m |
| 50 µ | 0.05 m |
| 100 µ | 0.1 m |
| 200 µ | 0.2 m |
| 250 µ | 0.25 m |
| 300 µ | 0.3 m |
| 400 µ | 0.4 m |
| 500 µ | 0.5 m |
| 800 µ | 0.8 m |
| 1,000 µ | 1 m |
| 2,000 µ | 2 m |
| 5,000 µ | 5 m |
How to convert micro to milli without a calculator
Move the decimal point 3 places to the left, padding with zeros if you run out of digits. Going to a larger prefix always makes the number smaller, because each unit now covers more of the quantity.
The check that catches almost every mistake: compare the two exponents before you write the answer. Micro is 10⁻⁶, 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.
Micro to milli FAQ
- How do you convert micro to milli?
- To convert micro to milli, divide by 1,000. That is the same as moving the decimal point 3 places to the left. For example, 1 µ = 0.001 m, and 5 µ = 0.005 m.
- How many micro are in 1 milli?
- There are exactly 1,000 micro in 1 milli. Milli (m) is 10⁻³ of the base unit and micro (µ) is 10⁻⁶, so they sit 3 powers of ten apart — a factor of exactly 1,000, with no rounding.
- Is 1 micro equal to 1 milli?
- No. Micro and milli are different SI prefixes 3 powers of ten apart. Micro is 1,000 times smaller than milli, so 1 µ = 0.001 m.
- Is the micro to milli conversion exact?
- Yes. Every SI prefix is a whole power of ten, so micro to milli is exactly ÷ 1,000 with no rounding. This calculator shifts the decimal exponent instead of multiplying in binary floating point, so a value like 1.001 µ returns an exact result rather than one with a trailing rounding error.
- Is micro bigger or smaller than milli?
- Micro is smaller. Micro is 10⁻⁶ and milli is 10⁻³, which makes micro 1,000 times smaller. The number always moves the other way: a quantity written in the smaller unit uses the bigger number.