Convert Inch to Point

Quick answer: Inch to Point

1 Inch = 72 Point (in → pt). To convert inch to point, multiply by 72. To convert point to inch, multiply by 0.01388889. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common inch-to-point questions.

How to convert Inch to Point

To convert inch to point, multiply the number of inch by the conversion factor 72, because 1 in = 72 pt. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 pt = 0.01388889 in, so you divide by 72 (or multiply by 0.01388889) to turn point back into inch.

pt = in × 72  ·  in = pt × 0.01388889

1. Write down the value you want to convert, in inch.
2. Multiply it by 72.
3. The result is the same area/length/quantity expressed in point.

Inch to Point — worked examples

Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 inch is 360 point because 5 in × 72 = 360 pt.

Common Inch to Point conversions

These are the inch-to-point values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:

• 1 inch = 72 point
• 2 inch = 144 point
• 2.5 inch = 180 point
• 3 inch = 216 point
• 4 inch = 288 point
• 5 inch = 360 point
• 6 inch = 432 point
• 7 inch = 504 point
• 8 inch = 576 point
• 9 inch = 648 point
• 10 inch = 720 point
• 12 inch = 864 point
• 15 inch = 1,080 point
• 20 inch = 1,440 point
• 25 inch = 1,800 point
• 30 inch = 2,160 point
• 50 inch = 3,600 point
• 75 inch = 5,400 point
• 100 inch = 7,200 point
• 200 inch = 14,400 point
• 500 inch = 36,000 point
• 1000 inch = 72,000 point

Inch to Point conversion chart (both directions)

The chart below converts inch to point and point to inch side by side, so it works whichever way you need. 1 inch = 72 point, and 1 point = 0.01388889 inch.

Inch vs Point: which is bigger?

A inch is the larger unit: one inch equals 72 points. Put another way, you need 72 points to make a single inch.

What is a Inch? History, origin and usage

The inch takes its name from the Latin uncia, 'a twelfth part', because it was one-twelfth of a Roman foot, the same root that gave English the word 'ounce'. It was also understood as the width of a man's thumb, and one medieval English rule averaged the thumb-breadths of three different men.

The inch is used in the US, UK and Canada for screen sizes, paper, body measurements and countless engineering contexts. Since 1959 it is defined as exactly 2.54 centimetres.

An old English statute defined the inch as three barleycorns laid end to end, a standard that even shaped shoe sizing. Screen, tyre and wheel sizes are still quoted in inches almost everywhere in the world.

What is a Point? History, origin and usage

The typographic point grew out of 18th-century European type systems; Francois-Ambroise Didot refined it in 1783 to one-seventy-second of a Paris inch. American typefounders standardised their own point in 1886, and in the late 1980s the desktop-publishing (PostScript) point, defined as exactly 1/72 of an inch, became the digital standard when Adobe and Apple adopted it.

The point is the unit used to specify font sizes and line spacing in typography and word processors worldwide. Twelve points make one pica, and six picas make one inch.

The '12-point font' on your screen descends directly from the type sizes cast in metal by 19th-century printers. The European Didot point and the modern DTP point differ slightly, so the same point size can render differently in older continental typography.

Convert 1 Inch to other units

It can help to see a inch next to the other units it is commonly compared with. One inch (in) is equal to:

Convert 1 Point to other units

One point (pt) is equal to:

Tips for converting Inch to Point

• To go from inch to point, multiply by 72; to go back, divide by 72 (or multiply by 0.01388889).
• For a quick mental estimate, remember that 1 inch ≈ 72 point, so 10 inch ≈ 720 point.
• The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
• Both fields update live as you type — change either side to convert in that direction.

How to use this Inch to Point converter

Type a number into the Inch field and the equivalent in Point appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the Point field to convert the other way (point to inch). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.

Accuracy and method

Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 in = 72 pt), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for inch-to-point conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.

Sources

• NIST Special Publication 811 — Guide for the Use of the SI — publishes the exact metric equivalents of the customary units. The inch, foot, yard and mile are defined exactly in metres by the 1959 international yard-and-pound agreement, so every imperial figure on this page is exact, not rounded.
• BIPM — The International System of Units (SI Brochure) — the defining document for the SI, published by the International Bureau of Weights and Measures. It fixes the base unit that this conversion resolves to, which is why the factor here can be exact rather than approximate.

The metric units (km, m, cm, mm, µm) are exact by definition, and the imperial units (mile, yard, foot, inch, nautical mile) use their exact international values. Traditional units (hand, span, finger, cubit, rod/pole, link, rope, ken, league) are given at their commonly accepted standard sizes — historical local values sometimes differed, so confirm against a primary source before relying on them for legal or historical work.

Frequently asked questions

How many point are in 1 inch?

1 inch = 72 point (pt). To convert any number of inch to point, multiply by 72.

How do I convert inch to point?

Multiply the number of inch by 72. For example, 10 inch = 10 × 72 = 720 point, and 25 inch = 1,800 point.

How many inch are in 1 point?

1 point = 0.01388889 inch. So to convert point back to inch, multiply by 0.01388889.

What is the formula to convert inch to point?

point = inch × 72. The reverse formula is inch = point × 0.01388889.

How much is 100 inch in point?

100 inch = 7,200 point. (And 1000 inch = 72,000 point.)

Which is bigger, a inch or a point?

A inch is larger: 1 inch = 72 point.

Is this inch to point converter accurate?

Yes — every value is computed from the exact 72 pt per in factor (not rounded look-up tables), and the factors are re-verified automatically on every update.

Can I convert point to inch too?

Yes. The converter works both ways — enter a value in either field. 1 point = 0.01388889 inch.

Related length conversions

• Point to Inch
• Hand to Inch
• Metre to Inch
• Millimetre to Point
• Inch to Foot
• Micrometre to Point
• Point to League
• Inch to Hand
• Inch to Metre
• Point to Millimetre

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