diff --git a/example/aliases/foot_pound_second.cpp b/example/aliases/foot_pound_second.cpp
index 12b1082d..8890a92f 100644
--- a/example/aliases/foot_pound_second.cpp
+++ b/example/aliases/foot_pound_second.cpp
@@ -26,6 +26,7 @@
 #include <units/isq/si/fps/mass.h>
 #include <units/isq/si/fps/power.h>
 #include <units/isq/si/fps/speed.h>
+#include <units/isq/si/international/speed.h>
 #include <units/isq/si/length.h>
 #include <units/isq/si/mass.h>
 #include <units/isq/si/power.h>
@@ -68,7 +69,7 @@ void print_details(std::string_view description, const Ship& ship)
             << STD_FMT::format("{:20} : {}\n", "beam", fmt_line<si::fps::length::yd<>, si::length::m<>>(ship.beam))
             << STD_FMT::format("{:20} : {}\n", "mass", fmt_line<si::fps::mass::lton<>, si::mass::t<>>(ship.mass))
             << STD_FMT::format("{:20} : {}\n", "speed",
-                               fmt_line<si::fps::speed::kn<>, si::speed::km_per_h<>>(ship.speed))
+                               fmt_line<si::international::speed::kn<>, si::speed::km_per_h<>>(ship.speed))
             << STD_FMT::format("{:20} : {}\n", "power", fmt_line<si::fps::power::hp<>, si::power::kW<>>(ship.power))
             << STD_FMT::format("{:20} : {}\n", "main guns",
                                fmt_line<si::fps::length::in<>, si::length::mm<>>(ship.mainGuns))
@@ -101,7 +102,7 @@ int main()
   auto iowa = Ship{.length{ft<>(860.)},
                    .draft{ft<>(37.) + in<>(2.)},
                    .beam{ft<>(108.) + in<>(2.)},
-                   .speed{kn<>(33)},
+                   .speed{international::kn<>(33)},
                    .mass{lton<>(57'540)},
                    .mainGuns{in<>(16)},
                    .shellMass{lb<>(2700)},
@@ -112,7 +113,7 @@ int main()
   auto kgv = Ship{.length{ft<>(745.1)},
                   .draft{ft<>(33.) + in<>(7.5)},
                   .beam{ft<>(103.2) + in<>(2.5)},
-                  .speed{kn<>(28.3)},
+                  .speed{international::kn<>(28.3)},
                   .mass{lton<>(42'245)},
                   .mainGuns{in<>(14)},
                   .shellMass{lb<>(1'590)},
diff --git a/example/literals/foot_pound_second.cpp b/example/literals/foot_pound_second.cpp
index 67d1d296..01f8d285 100644
--- a/example/literals/foot_pound_second.cpp
+++ b/example/literals/foot_pound_second.cpp
@@ -26,6 +26,7 @@
 #include <units/isq/si/fps/mass.h>
 #include <units/isq/si/fps/power.h>
 #include <units/isq/si/fps/speed.h>
+#include <units/isq/si/international/speed.h>
 #include <units/isq/si/length.h>
 #include <units/isq/si/mass.h>
 #include <units/isq/si/power.h>
@@ -73,8 +74,9 @@ void print_details(std::string_view description, const Ship& ship)
                                fmt_line<si::fps::length<si::fps::yard>, si::length<si::metre>>(ship.beam))
             << STD_FMT::format("{:20} : {}\n", "mass",
                                fmt_line<si::fps::mass<si::fps::long_ton>, si::mass<si::tonne>>(ship.mass))
-            << STD_FMT::format("{:20} : {}\n", "speed",
-                               fmt_line<si::fps::speed<si::fps::knot>, si::speed<si::kilometre_per_hour>>(ship.speed))
+            << STD_FMT::format(
+                 "{:20} : {}\n", "speed",
+                 fmt_line<si::speed<si::international::knot>, si::speed<si::kilometre_per_hour>>(ship.speed))
             << STD_FMT::format("{:20} : {}\n", "power",
                                fmt_line<si::fps::power<si::fps::horse_power>, si::power<si::kilowatt>>(ship.power))
             << STD_FMT::format("{:20} : {}\n", "main guns",
@@ -108,7 +110,7 @@ int main()
   auto iowa = Ship{.length{860._q_ft},
                    .draft{37._q_ft + 2._q_in},
                    .beam{108._q_ft + 2._q_in},
-                   .speed{33_q_kn},
+                   .speed{si::speed<si::international::knot>{33}},
                    .mass{57'540_q_lton},
                    .mainGuns{16_q_in},
                    .shellMass{2700_q_lb},
@@ -119,7 +121,7 @@ int main()
   auto kgv = Ship{.length{745.1_q_ft},
                   .draft{33._q_ft + 7.5_q_in},
                   .beam{103.2_q_ft + 2.5_q_in},
-                  .speed{28.3_q_kn},
+                  .speed{si::speed<si::international::knot>{28.3}},
                   .mass{42'245_q_lton},
                   .mainGuns{14_q_in},
                   .shellMass{1'590_q_lb},
diff --git a/example/references/foot_pound_second.cpp b/example/references/foot_pound_second.cpp
index ca1f5447..0833fa6b 100644
--- a/example/references/foot_pound_second.cpp
+++ b/example/references/foot_pound_second.cpp
@@ -28,6 +28,7 @@
 #include <units/isq/si/fps/speed.h>
 #include <units/isq/si/fps/time.h>
 #include <units/isq/si/fps/volume.h>
+#include <units/isq/si/international/speed.h>
 #include <units/isq/si/length.h>
 #include <units/isq/si/mass.h>
 #include <units/isq/si/power.h>
@@ -76,8 +77,9 @@ void print_details(std::string_view description, const Ship& ship)
                                fmt_line<si::fps::length<si::fps::yard>, si::length<si::metre>>(ship.beam))
             << STD_FMT::format("{:20} : {}\n", "mass",
                                fmt_line<si::fps::mass<si::fps::long_ton>, si::mass<si::tonne>>(ship.mass))
-            << STD_FMT::format("{:20} : {}\n", "speed",
-                               fmt_line<si::fps::speed<si::fps::knot>, si::speed<si::kilometre_per_hour>>(ship.speed))
+            << STD_FMT::format(
+                 "{:20} : {}\n", "speed",
+                 fmt_line<si::speed<si::international::knot>, si::speed<si::kilometre_per_hour>>(ship.speed))
             << STD_FMT::format("{:20} : {}\n", "power",
                                fmt_line<si::fps::power<si::fps::horse_power>, si::power<si::kilowatt>>(ship.power))
             << STD_FMT::format("{:20} : {}\n", "main guns",
@@ -112,7 +114,7 @@ int main()
   auto iowa = Ship{.length{860. * ft},
                    .draft{37. * ft + 2. * in},
                    .beam{108. * ft + 2. * in},
-                   .speed{33 * kn},
+                   .speed{33 * units::isq::si::international::references::kn},
                    .mass{57'540 * lton},
                    .mainGuns{16 * in},
                    .shellMass{2700 * lb},
@@ -123,7 +125,7 @@ int main()
   auto kgv = Ship{.length{745.1 * ft},
                   .draft{33. * ft + 7.5 * in},
                   .beam{103.2 * ft + 2.5 * in},
-                  .speed{28.3 * kn},
+                  .speed{28.3 * units::isq::si::international::references::kn},
                   .mass{42'245 * lton},
                   .mainGuns{14 * in},
                   .shellMass{1'590 * lb},