diff --git a/source/detail/numeric_utils.hpp b/include/xlnt/utils/numeric.hpp
similarity index 97%
rename from source/detail/numeric_utils.hpp
rename to include/xlnt/utils/numeric.hpp
index 97723772..1165b2f5 100644
--- a/source/detail/numeric_utils.hpp
+++ b/include/xlnt/utils/numeric.hpp
@@ -31,6 +31,7 @@
 
 namespace xlnt {
 namespace detail {
+
 /// <summary>
 /// Takes in any number and outputs a string form of that number which will
 /// serialise and deserialise without loss of precision
@@ -84,8 +85,7 @@ constexpr typename std::common_type<NumberL, NumberR>::type min(NumberL lval, Nu
 /// </summary>
 template <typename EpsilonType = float, // the type to extract epsilon from
     typename LNumber, typename RNumber> // parameter types (deduced)
-bool
-float_equals(const LNumber &lhs, const RNumber &rhs,
+bool float_equals(const LNumber &lhs, const RNumber &rhs,
     int epsilon_scale = 20) // scale the "fuzzy" equality. Higher value gives a more tolerant comparison
 {
     // a type that lhs and rhs can agree on
@@ -111,7 +111,7 @@ float_equals(const LNumber &lhs, const RNumber &rhs,
     // additionally, a scale factor is applied.
     common_t scaled_fuzz = epsilon_scale * epsilon * max(max(xlnt::detail::abs<common_t>(lhs),
                                                              xlnt::detail::abs<common_t>(rhs)), // |max| of parameters.
-                                                         common_t{1}); // clamp
+                               common_t{1}); // clamp
     return ((lhs + scaled_fuzz) >= rhs) && ((rhs + scaled_fuzz) >= lhs);
 }
 
diff --git a/include/xlnt/utils/optional.hpp b/include/xlnt/utils/optional.hpp
index 4f5b6b78..1337f040 100644
--- a/include/xlnt/utils/optional.hpp
+++ b/include/xlnt/utils/optional.hpp
@@ -25,7 +25,7 @@
 
 #include "xlnt/xlnt_config.hpp"
 #include "xlnt/utils/exceptions.hpp"
-#include "../source/detail/numeric_utils.hpp"
+#include "xlnt/utils/numeric.hpp"
 #include <type_traits>
 
 namespace xlnt {
diff --git a/include/xlnt/worksheet/sheet_format_properties.hpp b/include/xlnt/worksheet/sheet_format_properties.hpp
index dd63685d..b6223954 100644
--- a/include/xlnt/worksheet/sheet_format_properties.hpp
+++ b/include/xlnt/worksheet/sheet_format_properties.hpp
@@ -25,7 +25,7 @@
 
 #include <xlnt/xlnt_config.hpp>
 #include <xlnt/utils/optional.hpp>
-#include "../source/detail/numeric_utils.hpp"
+#include <xlnt/utils/numeric.hpp>
 
 namespace xlnt {
 
diff --git a/source/detail/header_footer/header_footer_code.cpp b/source/detail/header_footer/header_footer_code.cpp
index b678ef90..7e4da211 100644
--- a/source/detail/header_footer/header_footer_code.cpp
+++ b/source/detail/header_footer/header_footer_code.cpp
@@ -22,7 +22,7 @@
 // @author: see AUTHORS file
 
 #include <detail/header_footer/header_footer_code.hpp>
-#include <detail/numeric_utils.hpp>
+//#include <detail/numeric_utils.hpp>
 
 namespace xlnt {
 namespace detail {
diff --git a/source/detail/implementations/cell_impl.hpp b/source/detail/implementations/cell_impl.hpp
index 1ead8557..b72e3c47 100644
--- a/source/detail/implementations/cell_impl.hpp
+++ b/source/detail/implementations/cell_impl.hpp
@@ -33,7 +33,7 @@
 #include <xlnt/utils/optional.hpp>
 #include <detail/implementations/format_impl.hpp>
 #include <detail/implementations/hyperlink_impl.hpp>
-#include "../numeric_utils.hpp"
+//#include "../numeric_utils.hpp"
 
 namespace xlnt {
 namespace detail {
diff --git a/source/detail/serialization/xlsx_producer.cpp b/source/detail/serialization/xlsx_producer.cpp
index 66c4860c..31e36347 100644
--- a/source/detail/serialization/xlsx_producer.cpp
+++ b/source/detail/serialization/xlsx_producer.cpp
@@ -33,10 +33,10 @@
 #include <detail/serialization/vector_streambuf.hpp>
 #include <detail/serialization/xlsx_producer.hpp>
 #include <detail/serialization/zstream.hpp>
-#include <detail/numeric_utils.hpp>
 #include <xlnt/cell/cell.hpp>
 #include <xlnt/cell/hyperlink.hpp>
 #include <xlnt/packaging/manifest.hpp>
+#include <xlnt/utils/numeric.hpp>
 #include <xlnt/utils/path.hpp>
 #include <xlnt/utils/scoped_enum_hash.hpp>
 #include <xlnt/workbook/workbook.hpp>
diff --git a/source/worksheet/page_margins.cpp b/source/worksheet/page_margins.cpp
index fc1c69c2..883d3ebe 100644
--- a/source/worksheet/page_margins.cpp
+++ b/source/worksheet/page_margins.cpp
@@ -22,7 +22,7 @@
 // @license: http://www.opensource.org/licenses/mit-license.php
 // @author: see AUTHORS file
 #include <xlnt/worksheet/page_margins.hpp>
-#include "detail/numeric_utils.hpp"
+#include <xlnt/utils/numeric.hpp>
 
 namespace xlnt {
 
diff --git a/source/worksheet/page_setup.cpp b/source/worksheet/page_setup.cpp
index 087d980c..2fab4113 100644
--- a/source/worksheet/page_setup.cpp
+++ b/source/worksheet/page_setup.cpp
@@ -22,7 +22,7 @@
 // @license: http://www.opensource.org/licenses/mit-license.php
 // @author: see AUTHORS file
 #include <xlnt/worksheet/page_setup.hpp>
-#include "detail/numeric_utils.hpp"
+#include <xlnt/utils/numeric.hpp>
 
 namespace xlnt {
 
diff --git a/source/worksheet/worksheet.cpp b/source/worksheet/worksheet.cpp
index b0e41945..c2db52ee 100644
--- a/source/worksheet/worksheet.cpp
+++ b/source/worksheet/worksheet.cpp
@@ -46,7 +46,7 @@
 #include <xlnt/worksheet/column_properties.hpp>
 #include <detail/constants.hpp>
 #include <detail/default_case.hpp>
-#include <detail/numeric_utils.hpp>
+#include <xlnt/utils/numeric.hpp>
 #include <detail/unicode.hpp>
 #include <detail/implementations/cell_impl.hpp>
 #include <detail/implementations/workbook_impl.hpp>
diff --git a/tests/detail/numeric_util_test_suite.cpp b/tests/detail/numeric_util_test_suite.cpp
index 5fb033d1..51c67b98 100644
--- a/tests/detail/numeric_util_test_suite.cpp
+++ b/tests/detail/numeric_util_test_suite.cpp
@@ -21,7 +21,7 @@
 // @license: http://www.opensource.org/licenses/mit-license.php
 // @author: see AUTHORS file
 
-#include "../../source/detail/numeric_utils.hpp"
+#include <xlnt/utils/numeric.hpp>
 #include <helpers/test_suite.hpp>
 
 class numeric_test_suite : public test_suite