SI prefix converter
Convert pico to base unit
1 p = 1 × 10⁻¹² unit — to convert pico to base unit, divide by 1,000,000,000,000.
Pico to base unit calculator
1 p = 1 × 10⁻¹² unit
Pico to base unit at a glance
1 p = 1 × 10⁻¹² unit
÷ 1,000,000,000,000
12 places left
10⁻¹² → 10⁰
Pico to base unit formula and conversion factor
Every SI prefix is a whole power of ten. Pico is 10⁻¹² of the base unit and base unit is 10⁰, so the two are exactly 12 powers of ten apart. That makes the factor exactly 1,000,000,000,000 — not an approximation, and it never changes with the unit you are measuring.
unit = p ÷ 1,000,000,000,000
10⁻¹² ÷ 10⁰ = 10⁻¹² = 1 × 10⁻¹²
1 p = 1 × 10⁻¹² unit
5 p = 5 × 10⁻¹² unit
100 p = 1 × 10⁻¹⁰ unit
1000 p = 0.000000001 unitPico to base unit conversion table
The values people look up most often, converted exactly. Read down for pico (p), across for base unit (unit).
In words: 10 p is 1 × 10⁻¹¹ unit, 100 p is 1 × 10⁻¹⁰ unit, 500 p is 5 × 10⁻¹⁰ unit, 1000 p is 0.000000001 unit, 2000 p is 0.000000002 unit, and 5000 p is 0.000000005 unit.
| Pico (p) | Base unit (unit) |
|---|---|
| 0.0009 p | 9 × 10⁻¹⁶ unit |
| 0.001 p | 1 × 10⁻¹⁵ unit |
| 0.005 p | 5 × 10⁻¹⁵ unit |
| 0.008 p | 8 × 10⁻¹⁵ unit |
| 0.01 p | 1 × 10⁻¹⁴ unit |
| 0.02 p | 2 × 10⁻¹⁴ unit |
| 0.05 p | 5 × 10⁻¹⁴ unit |
| 0.1 p | 1 × 10⁻¹³ unit |
| 0.2 p | 2 × 10⁻¹³ unit |
| 0.4 p | 4 × 10⁻¹³ unit |
| 0.5 p | 5 × 10⁻¹³ unit |
| 1 p | 1 × 10⁻¹² unit |
| 2 p | 2 × 10⁻¹² unit |
| 5 p | 5 × 10⁻¹² unit |
| 7 p | 7 × 10⁻¹² unit |
| 10 p | 1 × 10⁻¹¹ unit |
| 20 p | 2 × 10⁻¹¹ unit |
| 50 p | 5 × 10⁻¹¹ unit |
| 100 p | 1 × 10⁻¹⁰ unit |
| 200 p | 2 × 10⁻¹⁰ unit |
| 250 p | 2.5 × 10⁻¹⁰ unit |
| 300 p | 3 × 10⁻¹⁰ unit |
| 400 p | 4 × 10⁻¹⁰ unit |
| 500 p | 5 × 10⁻¹⁰ unit |
| 800 p | 8 × 10⁻¹⁰ unit |
| 1,000 p | 0.000000001 unit |
| 2,000 p | 0.000000002 unit |
| 5,000 p | 0.000000005 unit |
How to convert pico to base unit without a calculator
Move the decimal point 12 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. Pico is 10⁻¹², 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.
Pico to base unit FAQ
- How do you convert pico to base unit?
- To convert pico to base unit, divide by 1,000,000,000,000. That is the same as moving the decimal point 12 places to the left. For example, 1 p = 1 × 10⁻¹² unit, and 5 p = 5 × 10⁻¹² unit.
- How many pico are in 1 base unit?
- There are exactly 1,000,000,000,000 pico in 1 base unit. Base unit (unit) is 10⁰ of the base unit and pico (p) is 10⁻¹², so they sit 12 powers of ten apart — a factor of exactly 1,000,000,000,000, with no rounding.
- Is 1 pico equal to 1 base unit?
- No. Pico and base unit are different SI prefixes 12 powers of ten apart. Pico is 1,000,000,000,000 times smaller than base unit, so 1 p = 1 × 10⁻¹² unit.
- Is the pico to base unit conversion exact?
- Yes. Every SI prefix is a whole power of ten, so pico to base unit is exactly ÷ 1,000,000,000,000 with no rounding. This calculator shifts the decimal exponent instead of multiplying in binary floating point, so a value like 1.001 p returns an exact result rather than one with a trailing rounding error.
- Is pico bigger or smaller than base unit?
- Pico is smaller. Pico is 10⁻¹² and base unit is 10⁰, which makes pico 1,000,000,000,000 times smaller. The number always moves the other way: a quantity written in the smaller unit uses the bigger number.