How do you convert 120 to radian measure?

120 what?

• degrees:

120o = 120 x π ÷ 180

= 2π/3 radians

≈ 2.094 radians

• radians:

120 radians = 120 radians

• gradians:

120 gradians = 120 x π ÷ 200

= 3π/5 radians

≈1.885 radians

• Other angle measure:

Divide 120 by the value of half a turn and multiply by π