Point (Compass) to Arcsecond Converter

Angle Converter

14 units available

Decimals:

From

To

40,500

1 pt = 40,500 "

Formula:

" = pt × 40,500

With your value: 1 pt = 40,500 "

Other Point (Compass) to Arcsecond conversions

2 pt to "3 pt to "4 pt to "5 pt to "6 pt to "7 pt to "8 pt to "

Point (Compass) to Arcsecond Conversion Table

Point (Compass) (pt)	Arcsecond (")
0.5	20,250
1	40,500
2	81,000
5	202,500
10	405,000
15	607,500
20	810,000
25	1,012,500
50	2,025,000
100	4,050,000
250	10,125,000
500	20,250,000
1000	40,500,000

Arcsecond to Point (Compass) Conversion Table

Arcsecond (")	Point (Compass) (pt)
0.5	1.234568e-5
1	2.469136e-5
2	4.938272e-5
5	0.000123
10	0.000247
15	0.00037
20	0.000494
25	0.000617
50	0.001235
100	0.002469
250	0.006173
500	0.012346
1000	0.024691

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Point (Compass) (pt)

Angle

Conventional value

The DTP/PostScript point is exactly 1/72 inch (0.352 777… mm).

Historic Didot and American printer’s points differ and are not interchangeable.

Source: PostScript Language Reference; CSS Values and Units Module Level 4 (absolute lengths)

Adobe Systems / W3C · Reviewed 2026-07-01

Arcsecond (")

Angle

Exact conversion

The radian is the coherent SI unit of plane angle; the degree is exactly π/180 rad and is accepted for use with the SI.

Source: Units accepted for use with the SI, SI Brochure Table 8

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Point (Compass) to Arcsecond

To convert from Point (Compass) (pt) to Arcsecond ("), multiply the value by 40,500.

Formula: " = pt × 40,500

Reverse: pt = " × 0.0000246914

Step-by-Step Example

Start with your value in Point (Compass). For example: 5 pt
Multiply by the conversion factor: 5 x 40,500
The result is: 202,500 "

About Point (Compass)

The point (compass) (pt) is a unit of plane angle. One point (compass) equals 11.25 radians. UnitConvertLab converts it against every other angle unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: angle calculations, engineering and science, education.

About Arcsecond

The arcsecond (") is a unit of plane angle. One arcsecond equals 0.0002777777778 radians. UnitConvertLab converts it against every other angle unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: angle calculations, engineering and science, education.

Frequently Asked Questions

How many Arcsecond are in 1 Point (Compass)?

There are exactly 40,500 Arcsecond in 1 Point (Compass). This means the conversion factor from Point (Compass) to Arcsecond is 40,500.

What is the formula to convert Point (Compass) to Arcsecond?

The formula to convert Point (Compass) to Arcsecond is: " = pt × 40,500. For example, to convert 10 Point (Compass) to Arcsecond, you would multiply 10 by 40,500.

What is a Point (Compass)?