Turns (tr)

A turn, also called a revolution, rotation or cycle, is one complete rotation, 360° or 2π radians.

Convert turns to any angle unit

1 turn = 360 degrees

Quick facts

Unit
Turn (plural: turns)
Symbol
tr
Measures
Angles
System
Common
Equals
6.28318530718 radians
Definition
One full rotation: 360° or 2π rad.
Also written
revolution, rotation, cycle, full circle

1 turn in other units

Degrees360 °
Radians6.283185307 rad
Arcminutes21,600 ′
Arcseconds1,296,000 ″
Gradians400 grad
Milliradians6,283.185307 mrad
NATO mils6,400 mil

What is a turn?

A turn, also called a revolution, rotation or cycle, is one complete rotation, 360° or 2π radians. It is the natural unit for counting rotations of wheels, shafts and figure skaters.

Where the turn sits among angle units

The turn is number 24 of 24 on our scale of angle units, ordered from smallest to largest.

Turns in real life

  • A figure skater's quadruple jump is 4 turns (4.5 for a quad Axel)
  • A skateboarder's "900" is 2.5 turns

Top turn conversions

Common amounts of turns

Convert turns to all 23 other units

Common

Astronomy & precision

Traditional & military

Convert to turns

Frequently asked questions

What is a turn?

A turn, also called a revolution, rotation or cycle, is one complete rotation, 360° or 2π radians.

How is the turn defined?

One full rotation: 360° or 2π rad.

How many degrees are in a turn?

One turn equals 360 degrees.

How many radians are in a turn?

One turn equals 6.283185307 radians.

How many arcminutes are in a turn?

One turn equals 21,600 arcminutes.