diff --git a/headers/enduro2d/utils/_utils.hpp b/headers/enduro2d/utils/_utils.hpp
index 1e858619..d89c54c3 100644
--- a/headers/enduro2d/utils/_utils.hpp
+++ b/headers/enduro2d/utils/_utils.hpp
@@ -69,3 +69,56 @@ namespace e2d
         ~noncopyable() = default;
     };
 }
+
+namespace e2d { namespace utils
+{
+    //
+    // sdbm_hash
+    //
+
+    namespace impl
+    {
+        // Inspired by:
+        // http://www.cse.yorku.ca/~oz/hash.html
+
+        template < typename Char >
+        u32 sdbm_hash_impl(u32 init, const Char* str) noexcept {
+            while ( Char c = *str++ ) {
+                init = c + (init << 6u) + (init << 16u) - init;
+            }
+            return init;
+        }
+
+        template < typename Char >
+        u32 sdbm_hash_impl(u32 init, const Char* begin, const Char* const end) noexcept {
+            while ( begin != end ) {
+                init = (*begin++) + (init << 6u) + (init << 16u) - init;
+            }
+            return init;
+        }
+    }
+
+    template < typename Char >
+    u32 sdbm_hash(const Char* str) noexcept {
+        E2D_ASSERT(str);
+        return impl::sdbm_hash_impl(0u, str);
+    }
+
+    template < typename Char >
+    u32 sdbm_hash(const Char* begin, const Char* const end) noexcept {
+        E2D_ASSERT(begin <= end);
+        return impl::sdbm_hash_impl(0u, begin, end);
+    }
+
+    template < typename Char >
+    u32 sdbm_hash(u32 init, const Char* str) noexcept {
+        E2D_ASSERT(str);
+        return impl::sdbm_hash_impl(init, str);
+    }
+
+    template < typename Char >
+    u32 sdbm_hash(u32 init, const Char* begin, const Char* const end) noexcept {
+        E2D_ASSERT(begin <= end);
+        return impl::sdbm_hash_impl(init, begin, end);
+    }
+}}
diff --git a/headers/enduro2d/utils/strings.inl b/headers/enduro2d/utils/strings.inl
index 46bfbedd..917b1800 100644
--- a/headers/enduro2d/utils/strings.inl
+++ b/headers/enduro2d/utils/strings.inl
@@ -127,12 +127,7 @@ namespace e2d
 
     template < typename Char >
     u32 basic_string_hash<Char>::calculate_hash(basic_string_view<Char> str) noexcept {
-        // Inspired by:
-        // http://www.cse.yorku.ca/~oz/hash.html
-        u32 hash = 0;
-        for ( Char c : str ) {
-            hash = c + (hash << 6u) + (hash << 16u) - hash;
-        }
+        u32 hash = utils::sdbm_hash(str.cbegin(), str.cend());
         debug_check_collisions(hash, str);
         return hash;
     }
diff --git a/untests/sources/untests_utils/_utils.cpp b/untests/sources/untests_utils/_utils.cpp
index b991aef8..a367e4ad 100644
--- a/untests/sources/untests_utils/_utils.cpp
+++ b/untests/sources/untests_utils/_utils.cpp
@@ -6,6 +6,27 @@
 
 #define CATCH_CONFIG_MAIN
 #include "_utils.hpp"
+using namespace e2d;
 
 TEST_CASE("utils") {
+    {
+        REQUIRE(utils::sdbm_hash("") == 0u);
+        REQUIRE(utils::sdbm_hash(1u, "") == 1u);
+
+        REQUIRE(utils::sdbm_hash<char>(nullptr, nullptr) == 0u);
+        REQUIRE(utils::sdbm_hash<char>(1u, nullptr, nullptr) == 1u);
+
+        const char* str1 = "hello";
+        const char* str2 = "hello";
+
+        REQUIRE(utils::sdbm_hash(str1) == utils::sdbm_hash(str2));
+        REQUIRE(utils::sdbm_hash(42u, str1) == utils::sdbm_hash(42u, str2));
+
+        REQUIRE(utils::sdbm_hash(
+            str1, str1 + std::strlen(str1)
+        ) == utils::sdbm_hash(str2));
+        REQUIRE(utils::sdbm_hash(
+            42u, str1, str1 + std::strlen(str1)
+        ) == utils::sdbm_hash(42u, str2));
+    }
 }