A desktop publishing point is 1/72 inch.
Points to Zeptometers Converter — pt to zm
Convert Point (pt) to Zeptometer (zm) using the exact conversion factor (1 point = 3.527778e+17 zeptometer). See the formula, worked examples, and conversion table.
Points to Zeptometers converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
Zeptometer is 1e-21 meter units.
Result = input x 0.0003527777778 / 1e-21.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Points to Zeptometers
Point and Zeptometer both measure length. Specifically: A desktop publishing point is 1/72 inch, and zeptometer is 1e-21 meter units.
Formula
zeptometers = points × 3.527778e+17
This factor comes from each unit's defined relationship to the category's base unit: 1 point equals 0.0003527777778 base units, and 1 zeptometer equals 1e-21 base units, so dividing one by the other gives the direct point-to-zeptometer factor of 3.527778e+17.
Simple example
1 pt × 3.527778e+17 = 3.527778e+17 zm
1 point = 3.527778e+17 zeptometers.
Real-world example
10 pt × 3.527778e+17 = 3.527778e+18 zm
10 points = 3.527778e+18 zeptometers.
Conversion table
| Point (pt) | Zeptometer (zm) |
|---|---|
| 1 pt | 3.527778e+17 zm |
| 5 pt | 1.763889e+18 zm |
| 10 pt | 3.527778e+18 zm |
| 21.0975 pt | 7.442729e+18 zm |
| 42.195 pt | 1.488546e+19 zm |
| 100 pt | 3.527778e+19 zm |
Reverse conversion: Zeptometer to Point
3.527778e+17 zm × 2.834646e-18 = 1.000000063 pt
3.527778e+17 zeptometers = 1.000000063 points.
points = zeptometers × 2.834646e-18
For a page dedicated to this direction, see Zeptometer to Point.
Understanding the Point (pt)
A desktop publishing point is 1/72 inch.
Understanding the Zeptometer (zm)
Zeptometer is 1e-21 meter units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many zeptometers are in 1 point?
1 point equals 3.527778e+17 zeptometers, using the exact defined conversion factor rather than an estimate.
How do I convert point to zeptometer?
Multiply the point value by 3.527778e+17. The converter above does this instantly to whatever precision you set.
How do I convert zeptometer back to point?
Use the reverse factor: 1 zeptometer equals 2.834646e-18 points. You can also use the swap control in the converter above to flip the direction instantly.
What is a point?
Point (pt) is a unit of length.
What is a zeptometer?
Zeptometer (zm) is a unit of length.
Is the point to zeptometer conversion exact?
Yes. Both point and zeptometer are defined by fixed standards rather than physical artifacts, so the factor of 3.527778e+17 used above is exact to as many digits as you choose to display.