Radian
1 Radian is the angle of a circle that is travelled by one radius.
1 Radian `=57.296^@`
Regardless of the size of a circle, a Radian will always be `57.296^@`.
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-log-table-1.4df6ee6.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-log-table-2.d516bb3.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-anti-log-table-1.b0b0513.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-anti-log-table-2.f89189d.jpg)
1 Radian is the angle of a circle that is travelled by one radius.
1 Radian `=57.296^@`
Regardless of the size of a circle, a Radian will always be `57.296^@`.