HomeAngleDegrees to Arc Seconds

Degrees to Arc Seconds Converter

Convert degrees to arc seconds with the formula, a reference table and every angle unit.

Online Converter

Convert Degree to Arc Second

3,600

Conversion Formula

″ = ° × 3600

1° in every angle unit

Tap a unit to make it the target of the converter above.

Conversion factors

1° = 3,600″
1″ = 0.000278°
″ = ° × 3600

Using this converter

How to use
  1. 1

    Enter a value

    Type a number into the From box. It starts at 1 so you can see the basic ratio straight away. Thousands separators such as 1,250.5 are accepted.

  2. 2

    Choose your units

    This page opens with its own units selected. Use either dropdown to pick any other unit in the category, or tap a unit in the all-units list to make it the target.

  3. 3

    Read the result

    The answer updates as you type and the matching formula is shown underneath. There is no Convert button to press.

  4. 4

    Swap, copy or clear

    Swap reverses the direction, Copy Result copies a line such as 1 km = 0.621371 mi, and Clear empties the input so you can start again.

Supported input formats

Input

  • Supported
    Whole numbers25
  • Supported
    Decimal numbers2.75

    Use a dot as the decimal separator.

  • Supported
    Negative numbers-40

    Calculated for every unit. Quantities such as length or weight are normally positive, while temperatures can be negative.

  • Supported
    Thousands separators1,250.5

    Commas must group digits in threes. 1,234 is read as one thousand two hundred thirty-four.

  • Supported
    Scientific notation1.5e6

    Useful for very large or very small values (1.5e6 = 1,500,000).

  • Not supported
    Comma as decimal mark2,5

    Type 2.5 instead.

  • Not supported
    Fractions1/2

    Type 0.5 instead.

  • Not supported
    Numbers with unit text5 km

    Enter only the number and choose the unit from the dropdown.

Output

Results use US English formatting (1,234.56) and show up to 6 decimal places with trailing zeros removed. Very small results appear in scientific notation, such as 9.0949e-13, instead of rounding to zero.

Units available in this converter

  • Degree (°)
  • Radian (rad)
  • Gradian (gon)
  • Arc Minute (′)
  • Arc Second (″)

Quick reference tables

Common values for the units currently selected above, in both directions.

Degree to Arc Second
°″
00
30108,000
45162,000
60216,000
90324,000
180648,000
270972,000
3601,296,000
Arc Second to Degree
″°
00
300.008333
450.0125
600.016667
900.025
1800.05
2700.075
3600.1

Limitations

  • Angles are not wrapped to one turn. 450° converts to about 7.853982 rad and is not reduced to 90°.
  • Degrees-minutes-seconds notation such as 40°26′46″ must be entered as a decimal value.
  • Results show up to 6 decimal places. Values are not rounded during calculation, and a non-zero result that would display as 0 is shown in scientific notation.
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