Inches to Points Converter
Enter the length in inches below to convert it to points.
Convert Inches to Points
Enter a value in inches (in) to convert to points (pt).
Inches to Points Conversion Chart (1–40 Continuous)
Continuous 1 to 40 inches lookup table with exact decimals and reduced nearest 1/64 fractions. Highlighted rows mark common shop and ruler values.
| Inches (in) | Decimal (pt) | Fraction — Nearest 1/64 (Reduced) | Nearest 1/16 (Tape) |
|---|---|---|---|
1 in★ Common | 72 pt | 72 pt | 72 pt |
2 in★ Common | 144 pt | 144 pt | 144 pt |
3 in★ Common | 216 pt | 216 pt | 216 pt |
4 in | 288 pt | 288 pt | 288 pt |
5 in★ Common | 360 pt | 360 pt | 360 pt |
6 in★ Common | 432 pt | 432 pt | 432 pt |
7 in | 504 pt | 504 pt | 504 pt |
8 in★ Common | 576 pt | 576 pt | 576 pt |
9 in | 648 pt | 648 pt | 648 pt |
10 in★ Common | 720 pt | 720 pt | 720 pt |
11 in | 792 pt | 792 pt | 792 pt |
12 in★ Common | 864 pt | 864 pt | 864 pt |
How to Convert Inches to Points
To convert inches to points, multiply the 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 length in points is equal to the 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 fraction and decimal calculator can convert inches and points, and it automatically converts the results to US customary, imperial, and SI metric values.
Inches and points are both units used to measure length. Keep reading to learn more about each unit.
How to Convert Inches 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 5 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 inches (in) into fractional inches:
- Find the decimal inches result: Convert 5 in to inches to get 5 in.
- Separate the whole inches from the decimal part: Keep the whole number 5 aside, leaving the decimal remainder 0.
- Multiply the decimal part by your desired fraction denominator (16, 32, or 64) and round half up: Multiply 0 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 an Inch?
An inch is a unit of length equal to 1/12 of a foot or 1/36 of a yard. Because the international yard is legally defined as exactly 0.9144 meters under the 1959 International Yard and Pound Agreement, one inch equals exactly 2.54 centimeters (25.4 millimeters or 25,400,000 nanometers). [1]
The inch is a US customary and imperial unit of length. Inches can be abbreviated as in; for example, 1 inch can be written as 1 in.
Inches can also be denoted using the ″ symbol, otherwise known as a double prime. Often a double quote (") is used instead of a double prime for convenience. A double prime is commonly used to express 1 in as 1″.
The standard ruler is 12 inches long and is a common tool for measuring a length in inches. Another frequently used tool to perform measurements in inches is a tape measure, which commonly comes in lengths from 6' to 35'. Other devices used to measure in inches include scales, calipers, measuring wheels, micrometers, yardsticks, and even lasers.
What Is a Point?
A point is a unit of length equal to 0.000352778 meters (m), the base unit for length. Desktop publishing point equal to 1/72 of an international inch (0.35278 mm). [2]
The point is classified as a standard unit of length. Points can be abbreviated as pt; for example, 1 point can be written as 1 pt.
When working with points (pt) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, points (pt) are widely used across fine-tolerance laboratory, analytical, and micro-scale length measurements within international standard workflows, engineering documentation, and technical data sheets.
When converting length between inches (in) and points (pt), keep full floating-point precision (1" = 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 to inches converter (pt to in) to switch your starting unit immediately. You can also explore related tools such as converting inches to centimeters, converting inches to millimeters, or converting centimeters to inches.
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Length Metrology Standard — Inches (in) to Points (pt)
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: Inch (in) & Point (Typography) (pt)
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (in to pt)