SI prefix converter
Convert nano to base unit
1 n = 0.000000001 unit — to convert nano to base unit, divide by 1,000,000,000.
Nano to base unit calculator
1 n = 0.000000001 unit
Nano to base unit at a glance
1 n = 0.000000001 unit
÷ 1,000,000,000
9 places left
10⁻⁹ → 10⁰
Nano to base unit formula and conversion factor
Every SI prefix is a whole power of ten. Nano is 10⁻⁹ of the base unit and base unit is 10⁰, so the two are exactly 9 powers of ten apart. That makes the factor exactly 1,000,000,000 — not an approximation, and it never changes with the unit you are measuring.
unit = n ÷ 1,000,000,000
10⁻⁹ ÷ 10⁰ = 10⁻⁹ = 0.000000001
1 n = 0.000000001 unit
5 n = 0.000000005 unit
100 n = 0.0000001 unit
1000 n = 0.000001 unitNano to base unit conversion table
The values people look up most often, converted exactly. Read down for nano (n), across for base unit (unit).
In words: 10 n is 0.00000001 unit, 100 n is 0.0000001 unit, 500 n is 0.0000005 unit, 1000 n is 0.000001 unit, 2000 n is 0.000002 unit, and 5000 n is 0.000005 unit.
| Nano (n) | Base unit (unit) |
|---|---|
| 0.0009 n | 9 × 10⁻¹³ unit |
| 0.001 n | 1 × 10⁻¹² unit |
| 0.005 n | 5 × 10⁻¹² unit |
| 0.008 n | 8 × 10⁻¹² unit |
| 0.01 n | 1 × 10⁻¹¹ unit |
| 0.02 n | 2 × 10⁻¹¹ unit |
| 0.05 n | 5 × 10⁻¹¹ unit |
| 0.1 n | 1 × 10⁻¹⁰ unit |
| 0.2 n | 2 × 10⁻¹⁰ unit |
| 0.4 n | 4 × 10⁻¹⁰ unit |
| 0.5 n | 5 × 10⁻¹⁰ unit |
| 1 n | 0.000000001 unit |
| 2 n | 0.000000002 unit |
| 5 n | 0.000000005 unit |
| 7 n | 0.000000007 unit |
| 10 n | 0.00000001 unit |
| 20 n | 0.00000002 unit |
| 50 n | 0.00000005 unit |
| 100 n | 0.0000001 unit |
| 200 n | 0.0000002 unit |
| 250 n | 0.00000025 unit |
| 300 n | 0.0000003 unit |
| 400 n | 0.0000004 unit |
| 500 n | 0.0000005 unit |
| 800 n | 0.0000008 unit |
| 1,000 n | 0.000001 unit |
| 2,000 n | 0.000002 unit |
| 5,000 n | 0.000005 unit |
How to convert nano to base unit without a calculator
Move the decimal point 9 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. Nano is 10⁻⁹, base unit is 10⁰. 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.
“Normal units”, base units, and plain units
A base unit is the unprefixed unit — amperes, grams, seconds, metres, litres. It is the same thing people mean by “normal units”, “plain units”, or just “units”: converting micro to normal, micro to unit, and micro to base unit are all the same calculation. There is no separate rule for it, because the base unit is simply the prefix 10⁰.
One place the wording matters: in medicine a “unit” can be a dose unit rather than an SI base unit — insulin is dosed in units and milliunits, and thyroid labs report µIU/mL. The prefix math is identical (1 unit = 1,000 milliunits), but the “unit” there is a biological activity unit, not a metre or a gram.
Nano to base unit FAQ
- How do you convert nano to base unit?
- To convert nano to base unit, divide by 1,000,000,000. That is the same as moving the decimal point 9 places to the left. For example, 1 n = 0.000000001 unit, and 5 n = 0.000000005 unit.
- How many nano are in 1 base unit?
- There are exactly 1,000,000,000 nano in 1 base unit. Base unit (unit) is 10⁰ of the base unit and nano (n) is 10⁻⁹, so they sit 9 powers of ten apart — a factor of exactly 1,000,000,000, with no rounding.
- Is 1 nano equal to 1 base unit?
- No. Nano and base unit are different SI prefixes 9 powers of ten apart. Nano is 1,000,000,000 times smaller than base unit, so 1 n = 0.000000001 unit.
- Is the nano to base unit conversion exact?
- Yes. Every SI prefix is a whole power of ten, so nano to base unit is exactly ÷ 1,000,000,000 with no rounding. This calculator shifts the decimal exponent instead of multiplying in binary floating point, so a value like 1.001 n returns an exact result rather than one with a trailing rounding error.
- Is nano bigger or smaller than base unit?
- Nano is smaller. Nano is 10⁻⁹ and base unit is 10⁰, which makes nano 1,000,000,000 times smaller. The number always moves the other way: a quantity written in the smaller unit uses the bigger number.