diff --git a/lib/prawn/text/formatted/line_wrap.rb b/lib/prawn/text/formatted/line_wrap.rb
index eac14dff3..a2f5913b9 100644
--- a/lib/prawn/text/formatted/line_wrap.rb
+++ b/lib/prawn/text/formatted/line_wrap.rb
@@ -101,7 +101,7 @@ def add_fragment_to_line(fragment)
                   @document.width_of(segment, kerning: @kerning)
                 end
 
-              if @accumulated_width + segment_width <= @width
+              if @accumulated_width + segment_width <= @width + FLOAT_PRECISION_DELTA
                 @accumulated_width += segment_width
                 shy = soft_hyphen(segment.encoding)
                 if segment[-1] == shy
diff --git a/lib/prawn/text/formatted/wrap.rb b/lib/prawn/text/formatted/wrap.rb
index 81b4fdac5..6227de671 100644
--- a/lib/prawn/text/formatted/wrap.rb
+++ b/lib/prawn/text/formatted/wrap.rb
@@ -131,7 +131,7 @@ def enough_height_for_this_line?
               @descender + @line_height + @leading
             end
           require_relatived_total_height = @baseline_y.abs + diff
-          if require_relatived_total_height > @height + 0.0001
+          if require_relatived_total_height > @height + FLOAT_PRECISION_DELTA
             # no room for the full height of this line
             @arranger.repack_unretrieved
             false
diff --git a/lib/prawn/utilities.rb b/lib/prawn/utilities.rb
index ffe7ea6a6..f6e552e84 100644
--- a/lib/prawn/utilities.rb
+++ b/lib/prawn/utilities.rb
@@ -7,6 +7,10 @@
 # This is free software. Please see the LICENSE and COPYING files for details.
 
 module Prawn
+  # Useful for comparing floats for equality to avoid precision errors.
+  # Based on pdf-core output precision: https://github.com/prawnpdf/pdf-core/blob/1021ffc94b9d8d37854ef5199d3cbaf220bb5ab2/lib/pdf/core/pdf_object.rb#L16
+  FLOAT_PRECISION_DELTA = 1e-6
+
   # Throughout the Prawn codebase, repeated calculations which can benefit from
   # caching are made.
   # In some cases, caching and reusing results can not only save CPU cycles but