Arctangent to Degrees Reference Values

Calculate the inverse tangent and return the principal angle in degrees.

Author

Prof. Ingrid Johansson

Math editorial contributor

Norwegian political scientist at the University of Oslo, studying democratic resilience in Nordic welfare states

Reviewed for accuracy by

Dr. Isabella Rossi

Math content reviewer

Italian neuroscientist at Sapienza University of Rome, studying the neural mechanisms of bilingual language processing

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. All value pages
  2. Reference table
  3. FAQs
  4. Methodology and review
  5. Related conversions

Reference Value Index

This page lists 27 reference values for quick browsing and lookup.

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All Reference Values

Reference Table

Arctangent to Degrees reference values
Tangent Valueatan(x) in Degrees
-10.75 Tangent Value-84.685454 deg
-9.5 Tangent Value-83.990994 deg
-8.25 Tangent Value-83.088773 deg
-7.1 Tangent Value-81.982907 deg
-6.5 Tangent Value-81.253838 deg
-5.01 Tangent Value-78.712062 deg
-4.5 Tangent Value-77.471192 deg
-3.33 Tangent Value-73.284972 deg
-2.5 Tangent Value-68.198591 deg
-1.2 Tangent Value-50.194429 deg
-0.99 Tangent Value-44.712084 deg
-0.5 Tangent Value-26.565051 deg
-0.1 Tangent Value-5.710593 deg
0 Tangent Value0 deg
0.1 Tangent Value5.710593 deg
0.5 Tangent Value26.565051 deg
0.99 Tangent Value44.712084 deg
1.2 Tangent Value50.194429 deg
2.5 Tangent Value68.198591 deg
3.33 Tangent Value73.284972 deg
4.5 Tangent Value77.471192 deg
5.01 Tangent Value78.712062 deg
6.5 Tangent Value81.253838 deg
7.1 Tangent Value81.982907 deg
8.25 Tangent Value83.088773 deg
9.5 Tangent Value83.990994 deg
10.75 Tangent Value84.685454 deg

Frequently Asked Questions

Frequently asked questions for Arctangent to Degrees and its reference values.

What does the Arctangent to Degrees calculator do?

It helps with finding angles from slope-like ratios and tangent values.

What formula does the Arctangent to Degrees calculator use?

Angle (degrees) = atan(x) × 180 / π, principal range -90° to 90°.

What inputs are valid?

Any finite tangent input value is valid.

When would I use this?

finding angles from slope-like ratios and tangent values

Methodology and Review

Each row on this page links to a value detail page derived from the same conversion data file as the main calculator and reference table. This reduces inconsistencies across page variants.

Editorial metadata and structured data are rendered across the converter page and linked value pages. Review policies are documented in our review process and editorial policy.