Inches to Points Converter
Enter the typographical length in inches below to convert it to points.
Convert Inches (in) to Points (pt)
Enter a value in inches (in) (in) to convert to points (pt) (pt).
Inch to Point Conversion Table
Table showing various inch measurements converted to points. Click any preset value or arrow to load it into the converter.
How to Convert Inches to Points
To convert inches to points, multiply the typographical length by the following conversion ratio: 72 points/inch.
Since one inch is equal to 72 points, you can use this simple formula to convert:
The typographical length in points is equal to the typographical length in inches multiplied by 72.
For example, here's how to convert 5 inches to points using the formula above.
How Many Points Are in an Inch?
There are 72 points in an inch, which is why we use this value in the formula above.
Our inch to point calculator automatically converts your typographical length measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Inches and points are both units used to measure typographical length. Keep reading to learn more about each unit.
What Is an Inch?
An inch is a unit of typographical length equal to 72 points (pt), the base unit for typographical length. 1 inch = 72 DTP points = 6 picas = 96 CSS pixels. [1]
The inch is classified as a US customary unit of typographical length. Inches can be abbreviated as in; for example, 1 inch can be written as 1 in.
When working with inches (in) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, inches (in) are widely used across standard typographical length applications within US customary workflows, engineering documentation, and technical data sheets.
What Is a Point?
Standard Desktop Publishing point equal to 1/72 of an international inch (0.352778 mm). It serves as a primary reference unit for measuring typographical length across scientific and practical applications. [2]
The point is classified as a standard unit of typographical length. Points can be abbreviated as pt; for example, 1 point can be written as 1 pt.
As the primary coherent reference unit for typographical length in this category, all other typographical length units are mathematically anchored to the point (pt).
In practice, points (pt) are widely used across standard typographical length applications within international standard workflows, engineering documentation, and technical data sheets.
When converting typographical length between inches (in) and points (pt), keep full floating-point precision (1 in = 72 pt; 1 pt = 0.0138889 in) during intermediate calculations and round only the final point figure to match your instrument tolerance.
More Inch & Point Conversions
Need to calculate in the opposite direction? Use our points (pt) to inches (in) calculator to switch your starting unit immediately. You can also explore related tools such as converting points (pt) to inches (in), converting picas (pc) to points (pt), or converting pixels (px) to points (pt).
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Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Typography Metrology Standard — Inches (in) (in) to Points (pt) (pt)
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: Inch (Print) (in) & Point (DTP / PostScript) (pt)
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (in to pt)