diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ccd73e0..1e3ac12c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,6 +27,8 @@ project(mp-units-dev
 
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 
+set(projectPrefix UNITS_)
+
 # make sure that the file is being used as an entry point
 include(modern_project_structure)
 ensure_entry_point()
@@ -43,8 +45,8 @@ set_warnings()
 add_compile_definitions($<$<CONFIG:Debug>:gsl_CONFIG_CONTRACT_CHECKING_AUDIT>)
 
 # enable include-what-you-use
-option(UNITS_IWYU "Enables include-what-you-use" OFF)
-if(UNITS_IWYU)
+option(${projectPrefix}IWYU "Enables include-what-you-use" OFF)
+if(${projectPrefix}IWYU)
     include(include-what-you-use)
     enable_iwyu(
         MAPPING_FILE "${PROJECT_SOURCE_DIR}/.mp-units.imp"
@@ -54,7 +56,7 @@ if(UNITS_IWYU)
         NO_COMMENTS
     )
     if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-        set(UNITS_AS_SYSTEM_HEADERS ON)
+        set(${projectPrefix}AS_SYSTEM_HEADERS ON)
     endif()
 endif()
 
diff --git a/cmake/warnings.cmake b/cmake/warnings.cmake
index ce46d8bb..25ad0d1e 100644
--- a/cmake/warnings.cmake
+++ b/cmake/warnings.cmake
@@ -24,7 +24,7 @@
 
 cmake_minimum_required(VERSION 3.15)
 
-option(WARNINGS_AS_ERRORS "Treat compiler warnings as errors" ON)
+option(${projectPrefix}WARNINGS_AS_ERRORS "Treat compiler warnings as errors" ON)
 
 macro(_set_flags)
     set(MSVC_WARNINGS
@@ -83,7 +83,7 @@ macro(_set_flags)
         -Wlogical-op # warn about logical operations being used where bitwise were probably wanted
     )
 
-    if(WARNINGS_AS_ERRORS)
+    if(${projectPrefix}WARNINGS_AS_ERRORS)
         set(GCC_WARNINGS ${GCC_WARNINGS} -Werror)
         set(CLANG_WARNINGS ${CLANG_WARNINGS} -Werror)
         set(MSVC_WARNINGS ${MSVC_WARNINGS} /WX)
@@ -106,7 +106,7 @@ function(set_warnings)
     _set_flags()
 
     message(STATUS "Setting restrictive compilation warnings")
-    message(STATUS "  Treat warnings as errors: ${WARNINGS_AS_ERRORS}")
+    message(STATUS "  Treat warnings as errors: ${${projectPrefix}WARNINGS_AS_ERRORS}")
     message(STATUS "  Flags: ${flags}")
     message(STATUS "Setting restrictive compilation warnings - done")
 
@@ -123,7 +123,7 @@ function(set_target_warnings target scope)
     _set_flags()
 
     message(STATUS "Setting ${scope} restrictive compilation warnings for '${target}'")
-    message(STATUS "  Treat warnings as errors: ${WARNINGS_AS_ERRORS}")
+    message(STATUS "  Treat warnings as errors: ${${projectPrefix}WARNINGS_AS_ERRORS}")
     message(STATUS "  Flags: ${flags}")
     message(STATUS "Setting ${scope} restrictive compilation warnings for '${target}' - done")
 
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index f939d1a6..78d964bf 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -22,14 +22,15 @@
 
 cmake_minimum_required(VERSION 3.2)
 
-option(UNITS_BUILD_DOCS "Generate project documentation" ON)
-message(STATUS "UNITS_BUILD_DOCS: ${UNITS_BUILD_DOCS}")
+option(${projectPrefix}BUILD_DOCS "Generate project documentation" ON)
+message(STATUS "${projectPrefix}BUILD_DOCS: ${${projectPrefix}BUILD_DOCS}")
 
-if(NOT UNITS_BUILD_DOCS)
+if(NOT ${projectPrefix}BUILD_DOCS)
     return()
 endif()
 
 # set paths to Conan packages (needed for doxygen)
+# TODO: remove when Conan will learn how to properly create imported build tools targets
 include(${CMAKE_BINARY_DIR}/conan_paths.cmake OPTIONAL)
 
 # Find all the public headers
diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index d5571087..0e7a71b0 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -35,7 +35,7 @@ add_example(custom_systems mp-units::core-io mp-units::si)
 add_example(hello_units mp-units::core-fmt mp-units::core-io mp-units::si mp-units::si-international)
 add_example(measurement mp-units::core-io mp-units::si)
 
-if(NOT UNITS_LIBCXX)
+if(NOT ${projectPrefix}LIBCXX)
     add_subdirectory(glide_computer)
 endif()
 
diff --git a/example/aliases/CMakeLists.txt b/example/aliases/CMakeLists.txt
index 286085ab..e61b38a4 100644
--- a/example/aliases/CMakeLists.txt
+++ b/example/aliases/CMakeLists.txt
@@ -29,8 +29,8 @@ function(add_example target)
     add_executable(${target}-aliases ${target}.cpp)
     target_link_libraries(${target}-aliases PRIVATE ${ARGN})
     target_compile_definitions(${target}-aliases PRIVATE
-        UNITS_NO_LITERALS
-        UNITS_NO_REFERENCES
+        ${projectPrefix}NO_LITERALS
+        ${projectPrefix}NO_REFERENCES
     )
 endfunction()
 
@@ -44,11 +44,11 @@ add_example(measurement mp-units::core-io mp-units::si)
 add_example(total_energy mp-units::core-io mp-units::si mp-units::isq-natural)
 add_example(unknown_dimension mp-units::core-io mp-units::si)
 
-if(NOT UNITS_LIBCXX)
+if(NOT ${projectPrefix}LIBCXX)
     add_example(glide_computer_example mp-units::core-fmt mp-units::si-international glide_computer)
     target_compile_definitions(glide_computer_example-aliases PRIVATE
-        UNITS_NO_LITERALS
-        UNITS_NO_REFERENCES
+        ${projectPrefix}NO_LITERALS
+        ${projectPrefix}NO_REFERENCES
     )
 
     find_package(wg21-linear_algebra CONFIG REQUIRED)
diff --git a/example/kalman_filter/CMakeLists.txt b/example/kalman_filter/CMakeLists.txt
index d170256a..25691790 100644
--- a/example/kalman_filter/CMakeLists.txt
+++ b/example/kalman_filter/CMakeLists.txt
@@ -29,8 +29,8 @@ function(add_example target)
     add_executable(${target} ${target}.cpp)
     target_link_libraries(${target} PRIVATE ${ARGN})
     target_compile_definitions(${target} PRIVATE
-        UNITS_NO_LITERALS
-        UNITS_NO_ALIASES
+        ${projectPrefix}NO_LITERALS
+        ${projectPrefix}NO_ALIASES
     )
 endfunction()
 
diff --git a/example/literals/CMakeLists.txt b/example/literals/CMakeLists.txt
index b977e711..a968b3fd 100644
--- a/example/literals/CMakeLists.txt
+++ b/example/literals/CMakeLists.txt
@@ -29,8 +29,8 @@ function(add_example target)
     add_executable(${target}-literals ${target}.cpp)
     target_link_libraries(${target}-literals PRIVATE ${ARGN})
     target_compile_definitions(${target}-literals PRIVATE
-        UNITS_NO_REFERENCES
-        UNITS_NO_ALIASES
+        ${projectPrefix}NO_REFERENCES
+        ${projectPrefix}NO_ALIASES
     )
 endfunction()
 
@@ -43,11 +43,11 @@ add_example(foot_pound_second mp-units::core-fmt mp-units::si-fps)
 add_example(total_energy mp-units::core-io mp-units::si mp-units::isq-natural)
 add_example(unknown_dimension mp-units::core-io mp-units::si)
 
-if(NOT UNITS_LIBCXX)
+if(NOT ${projectPrefix}LIBCXX)
     add_example(glide_computer_example mp-units::core-fmt mp-units::si-international glide_computer)
     target_compile_definitions(glide_computer_example-literals PRIVATE
-        UNITS_NO_REFERENCES
-        UNITS_NO_ALIASES
+        ${projectPrefix}NO_REFERENCES
+        ${projectPrefix}NO_ALIASES
     )
 
     find_package(wg21-linear_algebra CONFIG REQUIRED)
diff --git a/example/references/CMakeLists.txt b/example/references/CMakeLists.txt
index 0d8e6e85..3f6a7e0e 100644
--- a/example/references/CMakeLists.txt
+++ b/example/references/CMakeLists.txt
@@ -29,8 +29,8 @@ function(add_example target)
     add_executable(${target}-references ${target}.cpp)
     target_link_libraries(${target}-references PRIVATE ${ARGN})
     target_compile_definitions(${target}-references PRIVATE
-        UNITS_NO_LITERALS
-        UNITS_NO_ALIASES
+        ${projectPrefix}NO_LITERALS
+        ${projectPrefix}NO_ALIASES
     )
 endfunction()
 
@@ -43,11 +43,11 @@ add_example(foot_pound_second mp-units::core-fmt mp-units::si-fps)
 add_example(total_energy mp-units::core-io mp-units::si mp-units::isq-natural)
 add_example(unknown_dimension mp-units::core-io mp-units::si)
 
-if(NOT UNITS_LIBCXX)
+if(NOT ${projectPrefix}LIBCXX)
     add_example(glide_computer_example mp-units::core-fmt mp-units::si-international glide_computer)
     target_compile_definitions(glide_computer_example-references PRIVATE
-        UNITS_NO_LITERALS
-        UNITS_NO_ALIASES
+        ${projectPrefix}NO_LITERALS
+        ${projectPrefix}NO_ALIASES
     )
 
     find_package(wg21-linear_algebra CONFIG REQUIRED)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index fdc84cb4..eacb8a55 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -26,15 +26,17 @@ project(mp-units
     LANGUAGES CXX
 )
 
-option(UNITS_AS_SYSTEM_HEADERS "Exports library as system headers" OFF)
-message(STATUS "UNITS_AS_SYSTEM_HEADERS: ${UNITS_AS_SYSTEM_HEADERS}")
+set(projectPrefix UNITS_)
+
+option(${projectPrefix}AS_SYSTEM_HEADERS "Exports library as system headers" OFF)
+message(STATUS "${projectPrefix}AS_SYSTEM_HEADERS: ${${projectPrefix}AS_SYSTEM_HEADERS}")
 
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 
 include(AddUnitsModule)
 include(GNUInstallDirs)
 
-if(UNITS_AS_SYSTEM_HEADERS)
+if(${projectPrefix}AS_SYSTEM_HEADERS)
     set(units_as_system SYSTEM)
 endif()
 
diff --git a/src/cmake/CheckLibcxxInUse.cmake b/src/cmake/CheckLibcxxInUse.cmake
index a8fe9388..d03c6855 100644
--- a/src/cmake/CheckLibcxxInUse.cmake
+++ b/src/cmake/CheckLibcxxInUse.cmake
@@ -32,7 +32,7 @@ function(check_libcxx_in_use variable)
         set(${variable} ${${variable}} PARENT_SCOPE)
 
         list(POP_BACK CMAKE_MESSAGE_INDENT)
-        if(UNITS_LIBCXX)
+        if(${projectPrefix}LIBCXX)
             message(CHECK_PASS "found")
         else()
             message(CHECK_FAIL "not found")
diff --git a/src/core-fmt/CMakeLists.txt b/src/core-fmt/CMakeLists.txt
index 157495d1..8ecbae40 100644
--- a/src/core-fmt/CMakeLists.txt
+++ b/src/core-fmt/CMakeLists.txt
@@ -22,13 +22,13 @@
 
 cmake_minimum_required(VERSION 3.15)
 
-option(UNITS_USE_LIBFMT "Enables usage of libfmt instead of the one from 'std'" ON)
-message(STATUS "UNITS_USE_LIBFMT: ${UNITS_USE_LIBFMT}")
+option(${projectPrefix}USE_LIBFMT "Enables usage of libfmt instead of the one from 'std'" ON)
+message(STATUS "${projectPrefix}USE_LIBFMT: ${${projectPrefix}USE_LIBFMT}")
 
 add_units_module(core-fmt mp-units::core)
-target_compile_definitions(mp-units-core-fmt INTERFACE UNITS_USE_LIBFMT=$<BOOL:${UNITS_USE_LIBFMT}>)
+target_compile_definitions(mp-units-core-fmt INTERFACE ${projectPrefix}USE_LIBFMT=$<BOOL:${${projectPrefix}USE_LIBFMT}>)
 
-if(UNITS_USE_LIBFMT)
+if(${projectPrefix}USE_LIBFMT)
   find_package(fmt CONFIG REQUIRED)
   target_link_libraries(mp-units-core-fmt INTERFACE fmt::fmt)
 endif()
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 0368ec0e..1858b4eb 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -23,15 +23,15 @@
 cmake_minimum_required(VERSION 3.15)
 
 # core library options
-set(UNITS_DOWNCAST_MODE ON CACHE STRING "Select downcasting mode")
-set_property(CACHE UNITS_DOWNCAST_MODE PROPERTY STRINGS AUTO ON OFF)
+set(${ProjectPrefix}DOWNCAST_MODE ON CACHE STRING "Select downcasting mode")
+set_property(CACHE ${ProjectPrefix}DOWNCAST_MODE PROPERTY STRINGS AUTO ON OFF)
 
 # find dependencies
 find_package(gsl-lite CONFIG REQUIRED)
 
 # check if libc++ is being used
 include(CheckLibcxxInUse)
-check_libcxx_in_use(UNITS_LIBCXX)
+check_libcxx_in_use(${ProjectPrefix}LIBCXX)
 
 # core library definition
 add_library(mp-units-core INTERFACE)
@@ -45,7 +45,7 @@ target_include_directories(mp-units-core ${units_as_system} INTERFACE
 )
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-    if(UNITS_LIBCXX)
+    if(${ProjectPrefix}LIBCXX)
         find_package(range-v3 CONFIG REQUIRED)
         target_link_libraries(mp-units-core INTERFACE range-v3::range-v3)
     endif()
@@ -55,14 +55,14 @@ elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     )
 endif()
 
-if(DEFINED UNITS_DOWNCAST_MODE)
+if(DEFINED ${ProjectPrefix}DOWNCAST_MODE)
     set(downcast_mode_options OFF ON AUTO)
-    list(FIND downcast_mode_options "${UNITS_DOWNCAST_MODE}" downcast_mode)
+    list(FIND downcast_mode_options "${${ProjectPrefix}DOWNCAST_MODE}" downcast_mode)
     if(downcast_mode EQUAL -1)
-        message(FATAL_ERROR "'UNITS_DOWNCAST_MODE' should be one of ${downcast_mode_options} ('${UNITS_DOWNCAST_MODE}' received)")
+        message(FATAL_ERROR "'${ProjectPrefix}DOWNCAST_MODE' should be one of ${downcast_mode_options} ('${${ProjectPrefix}DOWNCAST_MODE}' received)")
     else()
-        message(STATUS "UNITS_DOWNCAST_MODE: ${UNITS_DOWNCAST_MODE}")
-        target_compile_definitions(mp-units-core INTERFACE UNITS_DOWNCAST_MODE=${downcast_mode})
+        message(STATUS "${ProjectPrefix}DOWNCAST_MODE: ${${ProjectPrefix}DOWNCAST_MODE}")
+        target_compile_definitions(mp-units-core INTERFACE ${ProjectPrefix}DOWNCAST_MODE=${downcast_mode})
     endif()
 endif()
 
diff --git a/test/unit_test/static/CMakeLists.txt b/test/unit_test/static/CMakeLists.txt
index 2e8d40fe..14c9604b 100644
--- a/test/unit_test/static/CMakeLists.txt
+++ b/test/unit_test/static/CMakeLists.txt
@@ -25,7 +25,7 @@ cmake_minimum_required(VERSION 3.2)
 add_library(unit_tests_static_truncating
     quantity_test.cpp
 )
-if(NOT UNITS_LIBCXX)
+if(NOT ${projectPrefix}LIBCXX)
     target_sources(unit_tests_static_truncating PRIVATE
         quantity_kind_test.cpp
         quantity_point_kind_test.cpp
@@ -64,7 +64,7 @@ add_library(unit_tests_static
     us_test.cpp
 )
 
-if(NOT UNITS_LIBCXX)
+if(NOT ${projectPrefix}LIBCXX)
     target_sources(unit_tests_static PRIVATE
         custom_rep_test_min_impl.cpp
         quantity_point_test.cpp