diff --git a/libc/src/__support/float_to_string.h b/libc/src/__support/float_to_string.h
diff --git a/libc/src/__support/ryu_constants.h b/libc/src/__support/ryu_constants.h
diff --git a/libc/src/stdio/printf_core/CMakeLists.txt b/libc/src/stdio/printf_core/CMakeLists.txt
@@ -59,6 +59,7 @@ add_object_library(
     write_int_converter.h
     float_inf_nan_converter.h
     float_hex_converter.h
+    float_dec_converter.h
   DEPENDS
     .writer
     .core_structs
@@ -67,7 +68,10 @@ add_object_library(
     libc.src.__support.CPP.string_view
     libc.src.__support.FPUtil.fp_bits
     libc.src.__support.FPUtil.fenv_impl
+    libc.src.__support.uint
+    libc.src.__support.uint128
     libc.src.__support.integer_to_string
+    libc.src.__support.float_to_string
 )
 
 

diff --git a/libc/src/stdio/printf_core/converter.cpp b/libc/src/stdio/printf_core/converter.cpp
@@ -43,9 +43,9 @@ int convert(Writer *writer, const FormatSection &to_conv) {
   case 'X':
     return convert_int(writer, to_conv);
 #ifndef LLVM_LIBC_PRINTF_DISABLE_FLOAT
-  // case 'f':
-  // case 'F':
-  // return convert_float_decimal(writer, to_conv);
+  case 'f':
+  case 'F':
+    return convert_float_decimal(writer, to_conv);
   // case 'e':
   // case 'E':
   // return convert_float_dec_exp(writer, to_conv);

diff --git a/libc/src/stdio/printf_core/converter_atlas.h b/libc/src/stdio/printf_core/converter_atlas.h
@@ -24,6 +24,7 @@
 
 #ifndef LLVM_LIBC_PRINTF_DISABLE_FLOAT
 // defines convert_float_decimal
+#include "src/stdio/printf_core/float_dec_converter.h"
 // defines convert_float_dec_exp
 // defines convert_float_hex_exp
 #include "src/stdio/printf_core/float_hex_converter.h"

diff --git a/libc/src/stdio/printf_core/float_dec_converter.h b/libc/src/stdio/printf_core/float_dec_converter.h
diff --git a/libc/test/src/stdio/sprintf_test.cpp b/libc/test/src/stdio/sprintf_test.cpp