diff --git a/vlib/math/complex.v b/vlib/math/complex.v
index d98172dcff..d303e6f6d9 100644
--- a/vlib/math/complex.v
+++ b/vlib/math/complex.v
@@ -26,6 +26,11 @@ pub fn (c Complex) str() string {
 	return out
 }
 
+// Complex Absolute value
+pub fn (c Complex) abs() f64 {
+	return C.hypot(c.re,c.im)
+}
+
 // Complex Angle
 pub fn (c Complex) angle() f64 { 
 	return atan2(c.im, c.re)
diff --git a/vlib/math/complex_test.v b/vlib/math/complex_test.v
index 0e9b5dafea..3d3be67610 100644
--- a/vlib/math/complex_test.v
+++ b/vlib/math/complex_test.v
@@ -103,6 +103,16 @@ fn test_complex_equals() {
 	assert c1.equals(c2)
 }
 
+fn test_complex_abs() {
+	mut c1 := math.complex(3,4)
+	assert c1.abs() == 5
+	c1 = math.complex(1,2)
+	assert c1.abs() == math.sqrt(5)
+	assert c1.abs() == c1.conjugate().abs()
+	c1 = math.complex(7,0)
+	assert c1.abs() == 7
+}
+
 fn test_complex_angle(){
 	mut c := math.complex(1, 0)
 	assert c.angle() * 180 / math.Pi == 0