diff --git a/Source/Core/InputCommon/CMakeLists.txt b/Source/Core/InputCommon/CMakeLists.txt
index b1420155f6..bce33498f6 100644
--- a/Source/Core/InputCommon/CMakeLists.txt
+++ b/Source/Core/InputCommon/CMakeLists.txt
@@ -58,8 +58,12 @@ add_library(inputcommon
   ControlReference/FunctionExpression.h
 )
 
-target_link_libraries(inputcommon PUBLIC
+target_link_libraries(inputcommon
+PUBLIC
   common
+
+PRIVATE
+  fmt::fmt
 )
 
 if(WIN32)
diff --git a/Source/Core/InputCommon/ControllerEmu/StickGate.cpp b/Source/Core/InputCommon/ControllerEmu/StickGate.cpp
index 6fc0a4ea4f..0b16103773 100644
--- a/Source/Core/InputCommon/ControllerEmu/StickGate.cpp
+++ b/Source/Core/InputCommon/ControllerEmu/StickGate.cpp
@@ -7,6 +7,8 @@
 #include <algorithm>
 #include <cmath>
 
+#include <fmt/format.h>
+
 #include "Common/Common.h"
 #include "Common/MathUtil.h"
 #include "Common/Matrix.h"
@@ -270,11 +272,11 @@ void ReshapableInput::SaveConfig(IniFile::Section* section, const std::string& d
   std::vector<std::string> save_data(m_calibration.size());
   std::transform(
       m_calibration.begin(), m_calibration.end(), save_data.begin(),
-      [](ControlState val) { return StringFromFormat("%.2f", val * CALIBRATION_CONFIG_SCALE); });
+      [](ControlState val) { return fmt::format("{:.2f}", val * CALIBRATION_CONFIG_SCALE); });
   section->Set(group + CALIBRATION_CONFIG_NAME, JoinStrings(save_data, " "), "");
 
-  const auto center_data = StringFromFormat("%.2f %.2f", m_center.x * CENTER_CONFIG_SCALE,
-                                            m_center.y * CENTER_CONFIG_SCALE);
+  const auto center_data = fmt::format("{:.2f} {:.2f}", m_center.x * CENTER_CONFIG_SCALE,
+                                       m_center.y * CENTER_CONFIG_SCALE);
 
   section->Set(group + CENTER_CONFIG_NAME, center_data, "");
 }
diff --git a/Source/Core/InputCommon/ControllerInterface/Device.cpp b/Source/Core/InputCommon/ControllerInterface/Device.cpp
index 5b0fa7ebd1..d91a9e119e 100644
--- a/Source/Core/InputCommon/ControllerInterface/Device.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Device.cpp
@@ -11,7 +11,8 @@
 #include <string>
 #include <tuple>
 
-#include "Common/StringUtil.h"
+#include <fmt/format.h>
+
 #include "Common/Thread.h"
 
 namespace ciface::Core
@@ -47,7 +48,7 @@ void Device::AddOutput(Device::Output* const o)
 
 std::string Device::GetQualifiedName() const
 {
-  return StringFromFormat("%s/%i/%s", this->GetSource().c_str(), GetId(), this->GetName().c_str());
+  return fmt::format("{}/{}/{}", GetSource(), GetId(), GetName());
 }
 
 Device::Input* Device::FindInput(std::string_view name) const
diff --git a/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.cpp b/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.cpp
index 30f10c8537..d9642c6264 100644
--- a/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.cpp
+++ b/Source/Core/InputCommon/ControllerInterface/Xlib/XInput2.cpp
@@ -10,6 +10,8 @@
 #include <cstdlib>
 #include <cstring>
 
+#include <fmt/format.h>
+
 #include "InputCommon/ControllerInterface/Xlib/XInput2.h"
 
 #include "Common/StringUtil.h"
@@ -338,7 +340,7 @@ ControlState KeyboardMouse::Key::GetState() const
 KeyboardMouse::Button::Button(unsigned int index, unsigned int* buttons)
     : m_buttons(buttons), m_index(index)
 {
-  name = StringFromFormat("Click %d", m_index + 1);
+  name = fmt::format("Click {}", m_index + 1);
 }
 
 ControlState KeyboardMouse::Button::GetState() const
@@ -349,7 +351,7 @@ ControlState KeyboardMouse::Button::GetState() const
 KeyboardMouse::Cursor::Cursor(u8 index, bool positive, const float* cursor)
     : m_cursor(cursor), m_index(index), m_positive(positive)
 {
-  name = std::string("Cursor ") + (char)('X' + m_index) + (m_positive ? '+' : '-');
+  name = fmt::format("Cursor {}{}", static_cast<char>('X' + m_index), (m_positive ? '+' : '-'));
 }
 
 ControlState KeyboardMouse::Cursor::GetState() const
@@ -360,7 +362,7 @@ ControlState KeyboardMouse::Cursor::GetState() const
 KeyboardMouse::Axis::Axis(u8 index, bool positive, const float* axis)
     : m_axis(axis), m_index(index), m_positive(positive)
 {
-  name = std::string("Axis ") + (char)('X' + m_index) + (m_positive ? '+' : '-');
+  name = fmt::format("Axis {}{}", static_cast<char>('X' + m_index), (m_positive ? '+' : '-'));
 }
 
 ControlState KeyboardMouse::Axis::GetState() const
diff --git a/Source/Core/InputCommon/InputProfile.cpp b/Source/Core/InputCommon/InputProfile.cpp
index 2fbdf39706..9037d79044 100644
--- a/Source/Core/InputCommon/InputProfile.cpp
+++ b/Source/Core/InputCommon/InputProfile.cpp
@@ -2,6 +2,13 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include "InputCommon/InputProfile.h"
+
+#include <algorithm>
+#include <iterator>
+
+#include <fmt/format.h>
+
 #include "Common/FileSearch.h"
 #include "Common/FileUtil.h"
 #include "Common/StringUtil.h"
@@ -13,10 +20,6 @@
 
 #include "InputCommon/ControllerInterface/ControllerInterface.h"
 #include "InputCommon/InputConfig.h"
-#include "InputCommon/InputProfile.h"
-
-#include <algorithm>
-#include <iterator>
 
 namespace InputProfile
 {
@@ -180,7 +183,7 @@ std::string ProfileCycler::GetWiimoteInputProfilesForGame(int controller_index)
   const IniFile::Section* const control_section = game_ini.GetOrCreateSection("Controls");
 
   std::string result;
-  control_section->Get(StringFromFormat("WiimoteProfile%d", controller_index + 1), &result);
+  control_section->Get(fmt::format("WiimoteProfile{}", controller_index + 1), &result);
   return result;
 }