diff --git a/base/src/expressions/parser/static_analysis.rs b/base/src/expressions/parser/static_analysis.rs
index 50e9d82..c198a47 100644
--- a/base/src/expressions/parser/static_analysis.rs
+++ b/base/src/expressions/parser/static_analysis.rs
@@ -846,6 +846,8 @@ fn get_function_args_signature(kind: &Function, arg_count: usize) -> Vec<Signatu
         Function::Fact => args_signature_scalars(arg_count, 1, 0),
         Function::Factdouble => args_signature_scalars(arg_count, 1, 0),
         Function::Sign => args_signature_scalars(arg_count, 1, 0),
+        Function::Radians => args_signature_scalars(arg_count, 1, 0),
+        Function::Degrees => args_signature_scalars(arg_count, 1, 0),
     }
 }
 
@@ -1080,5 +1082,7 @@ fn static_analysis_on_function(kind: &Function, args: &[Node]) -> StaticResult {
         Function::Fact => scalar_arguments(args),
         Function::Factdouble => scalar_arguments(args),
         Function::Sign => scalar_arguments(args),
+        Function::Radians => scalar_arguments(args),
+        Function::Degrees => scalar_arguments(args),
     }
 }
diff --git a/base/src/functions/mathematical.rs b/base/src/functions/mathematical.rs
index 549d9c6..6fee9c1 100644
--- a/base/src/functions/mathematical.rs
+++ b/base/src/functions/mathematical.rs
@@ -485,6 +485,8 @@ impl Model {
         Ok(acc)
     });
     single_number_fn!(fn_sign, |f| Ok(f64::signum(f)));
+    single_number_fn!(fn_degrees, |f| Ok(f * (180.0 / PI)));
+    single_number_fn!(fn_radians, |f| Ok(f * (PI / 180.0)));
 
     pub(crate) fn fn_pi(&mut self, args: &[Node], cell: CellReferenceIndex) -> CalcResult {
         if !args.is_empty() {
diff --git a/base/src/functions/mod.rs b/base/src/functions/mod.rs
index fcc5f9f..79e3432 100644
--- a/base/src/functions/mod.rs
+++ b/base/src/functions/mod.rs
@@ -90,6 +90,9 @@ pub enum Function {
     Factdouble,
     Sign,
 
+    Radians,
+    Degrees,
+
     // Information
     ErrorType,
     Formulatext,
@@ -283,7 +286,7 @@ pub enum Function {
 }
 
 impl Function {
-    pub fn into_iter() -> IntoIter<Function, 227> {
+    pub fn into_iter() -> IntoIter<Function, 229> {
         [
             Function::And,
             Function::False,
@@ -334,6 +337,8 @@ impl Function {
             Function::Product,
             Function::Rand,
             Function::Randbetween,
+            Function::Radians,
+            Function::Degrees,
             Function::Round,
             Function::Rounddown,
             Function::Roundup,
@@ -607,6 +612,9 @@ impl Function {
             "EXP" => Some(Function::Exp),
             "SIGN" => Some(Function::Sign),
 
+            "RADIANS" => Some(Function::Radians),
+            "DEGREES" => Some(Function::Degrees),
+
             "PI" => Some(Function::Pi),
             "ABS" => Some(Function::Abs),
             "SQRT" => Some(Function::Sqrt),
@@ -1051,6 +1059,8 @@ impl fmt::Display for Function {
             Function::Fact => write!(f, "FACT"),
             Function::Factdouble => write!(f, "FACTDOUBLE"),
             Function::Sign => write!(f, "SIGN"),
+            Function::Radians => write!(f, "RADIANS"),
+            Function::Degrees => write!(f, "DEGREES"),
         }
     }
 }
@@ -1306,6 +1316,8 @@ impl Model {
             Function::Fact => self.fn_fact(args, cell),
             Function::Factdouble => self.fn_factdouble(args, cell),
             Function::Sign => self.fn_sign(args, cell),
+            Function::Radians => self.fn_radians(args, cell),
+            Function::Degrees => self.fn_degrees(args, cell),
         }
     }
 }
diff --git a/xlsx/tests/calc_tests/RADIANS_DEGREES.xlsx b/xlsx/tests/calc_tests/RADIANS_DEGREES.xlsx
new file mode 100644
index 0000000..6c8ac84
Binary files /dev/null and b/xlsx/tests/calc_tests/RADIANS_DEGREES.xlsx differ