Tangent Calculator

Online trigonometric tangent calculator.

• Tangent calculator
• Inverse tangent calculator
• Tangent table

Tangent calculator

In order to calculate tan(x) on the calculator:

1. Enter the input angle.
2. Select angle type of degrees (°) or radians (rad) in the combo box.
3. Press the = button to calculate the result.

tan ° rad

Calculate Reset

Result:

* Use e for scientific notation. E.g: 5e3, 4e-8, 1.45e12

Inverse tangent calculator

Enter the tangent value, select degrees (°) or radians (rad) and press the  =  button to get the angle result:

tan -1

Calculate Reset

Result:

° rad

Tangent table

x		tan(x)
degrees	radians
-90°	-π/2	not defined
-60°	-π/3	-1.732050808
-45°	-π/4	-1
-30°	-π/6	-0.577350269
0°	0	0
30°	π/6	0.577350269
45°	π/4	1
60°	π/3	1.732050808
90°	π/2	not defined