Circles to milliradians Converter

Enter the circles, then press Calculate. The milliradians stay hidden while you type.

Press Calculate after the entries are in.

What this angle conversion is for

Use this page when a measurement is written in circles and the next step needs milliradians. The number stays blank until you press Calculate, so a half-typed entry is never mistaken for the answer.

The factor

Multiply by the factor: 1 circle = 6,283.18530718 milliradians.

A worked example

10 circles are 62,831.8530718 milliradians. Multiply the result by the reverse factor if you want the original number back.

How to check it

Write the factor down, do the multiply on paper, and compare it with the result card. If you change a sentence on this page, edit the HTML file and reload. The form and this note live in the same file.

The reverse conversion is milliradians to circles. A nearby pair in the same units is degrees to milliradians. When the converted number is the input to a job, continue with the trigonometry.