Picas to Micrometers Converter
Enter the length in picas below to convert it to micrometers.
Convert Picas to Micrometers
Enter a value in picas (pc) to convert to micrometers (µm).
Picas to Micrometers Conversion Chart (1–40 Continuous)
Continuous 1 to 40 picas lookup table with exact decimals and reduced nearest 1/64 fractions. Highlighted rows mark common shop and ruler values.
| Picas (pc) | Decimal (µm) | Fraction — Nearest 1/64 (Reduced) | Nearest 1/16 (Tape) |
|---|---|---|---|
1 pc★ Common | 4,233.333333 µm | 4233 21/64 µm | 4233 5/16 µm |
2 pc★ Common | 8,466.666667 µm | 8466 43/64 µm | 8466 11/16 µm |
3 pc★ Common | 12,700 µm | 12700 µm | 12700 µm |
4 pc | 16,933.333333 µm | 16933 21/64 µm | 16933 5/16 µm |
5 pc★ Common | 21,166.666667 µm | 21166 43/64 µm | 21166 11/16 µm |
6 pc★ Common | 25,400 µm | 25400 µm | 25400 µm |
7 pc | 29,633.333333 µm | 29633 21/64 µm | 29633 5/16 µm |
8 pc★ Common | 33,866.666667 µm | 33866 43/64 µm | 33866 11/16 µm |
9 pc | 38,100 µm | 38100 µm | 38100 µm |
10 pc★ Common | 42,333.333333 µm | 42333 21/64 µm | 42333 5/16 µm |
11 pc | 46,566.666667 µm | 46566 43/64 µm | 46566 11/16 µm |
12 pc★ Common | 50,800 µm | 50800 µm | 50800 µm |
How to Convert Picas to Micrometers
To convert picas to micrometers, multiply the length by the following conversion ratio: 4,233.3333333 micrometers/pica.
Since one pica is equal to 4,233.3333333 micrometers, you can use this simple formula to convert:
The length in micrometers is equal to the length in picas multiplied by 4,233.3333333.
For example, here's how to convert 5 picas to micrometers using the formula above.
How Many Micrometers Are in a Pica?
There are 4,233.3333333 micrometers in a pica, which is why we use this value in the formula above.
Our pica fraction and decimal calculator can convert picas and micrometers, and it automatically converts the results to US customary, imperial, and SI metric values.
Picas and micrometers are both units used to measure length. Keep reading to learn more about each unit.
How to Convert Picas to Fractional Inches (1/16″, 1/32″ & 1/64″)
Plain-language method for turning decimal inches into a standard tape-measure or machinist ruler fraction
Calculators give you a decimal number (such as 0.833333 in), but tape measures and woodworking rulers are marked in binary fractions of an inch—most commonly 1/16″ on carpenter tapes, 1/32″ on fine woodworking rules, and 1/64″ on machinist scales.
Here is the step-by-step worked example for converting 5 picas (pc) into fractional inches:
- Find the decimal inches result: Convert 5 pc to inches to get 0.833333 in.
- Separate the whole inches from the decimal part: Keep the whole number 0 aside, leaving the decimal remainder 0.833333.
- Multiply the decimal part by your desired fraction denominator (16, 32, or 64) and round half up: Multiply 0.833333 by 16, 32, or 64, then round to the nearest whole number (values ending in .5 round up).
- Reduce the fraction to lowest terms: If the rounded top number (numerator) is even, divide both top and bottom by 2 (or their Greatest Common Divisor) until the top number is odd, then combine with your whole inches.
What Is a Pica?
A pica is a unit of length equal to 0.0042333 meters (m), the base unit for length. Typographical unit equal to 12 points or 1/6 of an inch (4.2333 mm). [1]
The pica is classified as a standard unit of length. Picas can be abbreviated as pc; for example, 1 pica can be written as 1 pc.
When working with picas (pc) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, picas (pc) are widely used across fine-tolerance laboratory, analytical, and micro-scale length measurements within international standard workflows, engineering documentation, and technical data sheets.
What Is a Micrometer?
A micrometer is a unit of length equal to 1/1,000,000 of a meter (0.000001 m). One millionth of a meter (10⁻⁶ m), also known as a micron. [2]
The micrometer is classified as a metric and SI-compatible unit of length. Micrometers can be abbreviated as µm; for example, 1 micrometer can be written as 1 µm.
In the metric system, "micro" is the standard SI prefix for millionths, or 10⁻⁶. This makes the micrometer (µm) a convenient decimal multiple of the meter (m).
In practice, micrometers (µm) are widely used across fine-tolerance laboratory, analytical, and micro-scale length measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting length between picas (pc) and micrometers (µm), keep full floating-point precision (1 pc = 4,233.3333333 µm; 1 µm = 0.00023622 pc) during intermediate calculations and round only the final micrometer figure to match your instrument tolerance.
More Pica & Micrometer Conversions
Need to calculate in the opposite direction? Use our micrometers to picas calculator to switch your starting unit immediately. You can also explore related tools such as converting micrometers to picas, converting inches to micrometers, or converting centimeters to inches.
Convert from Picas
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Length Metrology Standard — Picas (pc) to Micrometers (µm)
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: Pica (Typography) (pc) & Micrometer (Micron) (µm)
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (pc to µm)