diff --git a/objects/client.c b/objects/client.c
index 225b4048..8ec2118d 100644
--- a/objects/client.c
+++ b/objects/client.c
@@ -98,6 +98,8 @@
 #include "systray.h"
 #include "xwindow.h"
 
+#include "math.h"
+
 #include <xcb/xcb_atom.h>
 #include <xcb/shape.h>
 #include <cairo-xcb.h>
@@ -2538,7 +2540,7 @@ luaA_client_titlebar_ ## name(lua_State *L)                       \
         if (lua_isnil(L, 2))                                      \
             titlebar_resize(L, 1, c, index, 0);                   \
         else                                                      \
-            titlebar_resize(L, 1, c, index, luaA_checkinteger_range(L, 2, 0, MAX_X11_SIZE)); \
+            titlebar_resize(L, 1, c, index, ceil(luaA_checknumber_range(L, 2, 0, MAX_X11_SIZE))); \
     }                                                             \
                                                                   \
     luaA_object_push_item(L, 1, titlebar_get_drawable(L, c, 1, index)); \
@@ -2566,8 +2568,8 @@ luaA_client_geometry(lua_State *L)
         area_t geometry;
 
         luaA_checktable(L, 2);
-        geometry.x = luaA_getopt_integer_range(L, 2, "x", c->geometry.x, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
-        geometry.y = luaA_getopt_integer_range(L, 2, "y", c->geometry.y, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
+        geometry.x = round(luaA_getopt_number_range(L, 2, "x", c->geometry.x, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
+        geometry.y = round(luaA_getopt_number_range(L, 2, "y", c->geometry.y, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
         if(client_isfixed(c))
         {
             geometry.width = c->geometry.width;
@@ -2575,8 +2577,8 @@ luaA_client_geometry(lua_State *L)
         }
         else
         {
-            geometry.width = luaA_getopt_integer_range(L, 2, "width", c->geometry.width, MIN_X11_SIZE, MAX_X11_SIZE);
-            geometry.height = luaA_getopt_integer_range(L, 2, "height", c->geometry.height, MIN_X11_SIZE, MAX_X11_SIZE);
+            geometry.width = ceil(luaA_getopt_number_range(L, 2, "width", c->geometry.width, MIN_X11_SIZE, MAX_X11_SIZE));
+            geometry.height = ceil(luaA_getopt_number_range(L, 2, "height", c->geometry.height, MIN_X11_SIZE, MAX_X11_SIZE));
         }
 
         client_resize(c, geometry, c->size_hints_honor);
@@ -2600,8 +2602,8 @@ luaA_client_apply_size_hints(lua_State *L)
     area_t geometry = c->geometry;
     if(!client_isfixed(c))
     {
-        geometry.width = luaA_checkinteger_range(L, 2, MIN_X11_SIZE, MAX_X11_SIZE);
-        geometry.height = luaA_checkinteger_range(L, 3, MIN_X11_SIZE, MAX_X11_SIZE);
+        geometry.width = ceil(luaA_checknumber_range(L, 2, MIN_X11_SIZE, MAX_X11_SIZE));
+        geometry.height = ceil(luaA_checknumber_range(L, 3, MIN_X11_SIZE, MAX_X11_SIZE));
     }
 
     if (c->size_hints_honor)
diff --git a/objects/drawin.c b/objects/drawin.c
index 8656e9b2..7e4bd415 100644
--- a/objects/drawin.c
+++ b/objects/drawin.c
@@ -42,6 +42,8 @@
 #include "systray.h"
 #include "xwindow.h"
 
+#include "math.h"
+
 #include <cairo-xcb.h>
 #include <xcb/shape.h>
 
@@ -407,10 +409,10 @@ luaA_drawin_geometry(lua_State *L)
         area_t wingeom;
 
         luaA_checktable(L, 2);
-        wingeom.x = luaA_getopt_integer_range(L, 2, "x", drawin->geometry.x, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
-        wingeom.y = luaA_getopt_integer_range(L, 2, "y", drawin->geometry.y, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
-        wingeom.width = luaA_getopt_integer_range(L, 2, "width", drawin->geometry.width, MIN_X11_SIZE, MAX_X11_SIZE);
-        wingeom.height = luaA_getopt_integer_range(L, 2, "height", drawin->geometry.height, MIN_X11_SIZE, MAX_X11_SIZE);
+        wingeom.x = round(luaA_getopt_number_range(L, 2, "x", drawin->geometry.x, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
+        wingeom.y = round(luaA_getopt_number_range(L, 2, "y", drawin->geometry.y, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
+        wingeom.width = ceil(luaA_getopt_number_range(L, 2, "width", drawin->geometry.width, MIN_X11_SIZE, MAX_X11_SIZE));
+        wingeom.height = ceil(luaA_getopt_number_range(L, 2, "height", drawin->geometry.height, MIN_X11_SIZE, MAX_X11_SIZE));
 
         if(wingeom.width > 0 && wingeom.height > 0)
             drawin_moveresize(L, 1, wingeom);
@@ -427,7 +429,7 @@ LUA_OBJECT_EXPORT_PROPERTY(drawin, drawin_t, visible, lua_pushboolean)
 static int
 luaA_drawin_set_x(lua_State *L, drawin_t *drawin)
 {
-    int x = luaA_checkinteger_range(L, -1, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
+    int x = round(luaA_checknumber_range(L, -1, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
     drawin_moveresize(L, -3, (area_t) { .x = x,
                                         .y = drawin->geometry.y,
                                         .width = drawin->geometry.width,
@@ -445,7 +447,7 @@ luaA_drawin_get_x(lua_State *L, drawin_t *drawin)
 static int
 luaA_drawin_set_y(lua_State *L, drawin_t *drawin)
 {
-    int y = luaA_checkinteger_range(L, -1, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
+    int y = round(luaA_checknumber_range(L, -1, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
     drawin_moveresize(L, -3, (area_t) { .x = drawin->geometry.x,
                                         .y = y,
                                         .width = drawin->geometry.width,
@@ -463,7 +465,7 @@ luaA_drawin_get_y(lua_State *L, drawin_t *drawin)
 static int
 luaA_drawin_set_width(lua_State *L, drawin_t *drawin)
 {
-    int width = luaA_checkinteger_range(L, -1, MIN_X11_SIZE, MAX_X11_SIZE);
+    int width = ceil(luaA_checknumber_range(L, -1, MIN_X11_SIZE, MAX_X11_SIZE));
     drawin_moveresize(L, -3, (area_t) { .x = drawin->geometry.x,
                                         .y = drawin->geometry.y,
                                         .width = width,
@@ -481,7 +483,7 @@ luaA_drawin_get_width(lua_State *L, drawin_t *drawin)
 static int
 luaA_drawin_set_height(lua_State *L, drawin_t *drawin)
 {
-    int height = luaA_checkinteger_range(L, -1, MIN_X11_SIZE, MAX_X11_SIZE);
+    int height = ceil(luaA_checknumber_range(L, -1, MIN_X11_SIZE, MAX_X11_SIZE));
     drawin_moveresize(L, -3, (area_t) { .x = drawin->geometry.x,
                                        .y = drawin->geometry.y,
                                        .width = drawin->geometry.width,
diff --git a/objects/window.c b/objects/window.c
index 9ec1595b..15b582c8 100644
--- a/objects/window.c
+++ b/objects/window.c
@@ -476,7 +476,7 @@ window_translate_type(window_type_t type)
 static int
 luaA_window_set_border_width(lua_State *L, window_t *c)
 {
-    window_set_border_width(L, -3, luaA_checkinteger_range(L, -1, 0, MAX_X11_SIZE));
+    window_set_border_width(L, -3, round(luaA_checknumber_range(L, -1, 0, MAX_X11_SIZE)));
     return 0;
 }
 
diff --git a/objects/window.h b/objects/window.h
index 3afcbb35..5386fafe 100644
--- a/objects/window.h
+++ b/objects/window.h
@@ -26,6 +26,7 @@
 #include "common/luaclass.h"
 #include "objects/button.h"
 #include "strut.h"
+#include "math.h"
 
 /** Windows type */
 typedef enum
diff --git a/root.c b/root.c
index aa31cf1e..99ebdb1c 100644
--- a/root.c
+++ b/root.c
@@ -34,6 +34,8 @@
 #include "objects/button.h"
 #include "xwindow.h"
 
+#include "math.h"
+
 #include <xcb/xtest.h>
 #include <xcb/xcb_aux.h>
 #include <cairo-xcb.h>
@@ -266,8 +268,8 @@ luaA_root_fake_input(lua_State *L)
     {
         type = XCB_MOTION_NOTIFY;
         detail = luaA_checkboolean(L, 2); /* relative to the current position or not */
-        x = luaA_checkinteger_range(L, 3, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
-        y = luaA_checkinteger_range(L, 4, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
+        x = round(luaA_checknumber_range(L, 3, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
+        y = round(luaA_checknumber_range(L, 4, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
     }
     else
         return 0;
diff --git a/strut.c b/strut.c
index b90c7518..8d46de34 100644
--- a/strut.c
+++ b/strut.c
@@ -21,6 +21,7 @@
 
 #include "strut.h"
 #include "luaa.h"
+#include "math.h"
 
 /** Push a strut type to a table on stack.
  * \param L The Lua VM state.
@@ -51,10 +52,10 @@ void
 luaA_tostrut(lua_State *L, int idx, strut_t *strut)
 {
     luaA_checktable(L, idx);
-    strut->left = luaA_getopt_integer_range(L, idx, "left", strut->left, 0, UINT16_MAX);
-    strut->right = luaA_getopt_integer_range(L, idx, "right", strut->right, 0, UINT16_MAX);
-    strut->top = luaA_getopt_integer_range(L, idx, "top", strut->top, 0, UINT16_MAX);
-    strut->bottom = luaA_getopt_integer_range(L, idx, "bottom", strut->bottom, 0, UINT16_MAX);
+    strut->left = ceil(luaA_getopt_number_range(L, idx, "left", strut->left, 0, UINT16_MAX));
+    strut->right = ceil(luaA_getopt_number_range(L, idx, "right", strut->right, 0, UINT16_MAX));
+    strut->top = ceil(luaA_getopt_number_range(L, idx, "top", strut->top, 0, UINT16_MAX));
+    strut->bottom = ceil(luaA_getopt_number_range(L, idx, "bottom", strut->bottom, 0, UINT16_MAX));
 }
 
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
diff --git a/systray.c b/systray.c
index 105a5a04..cad77b5a 100644
--- a/systray.c
+++ b/systray.c
@@ -325,13 +325,13 @@ luaA_systray(lua_State *L)
     {
         size_t bg_len;
         drawin_t *w = luaA_checkudata(L, 1, &drawin_class);
-        int x = luaA_checkinteger_range(L, 2, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
-        int y = luaA_checkinteger_range(L, 3, MIN_X11_COORDINATE, MAX_X11_COORDINATE);
-        int base_size = luaA_checkinteger_range(L, 4, MIN_X11_SIZE, MAX_X11_SIZE);
+        int x = round(luaA_checknumber_range(L, 2, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
+        int y = round(luaA_checknumber_range(L, 3, MIN_X11_COORDINATE, MAX_X11_COORDINATE));
+        int base_size = ceil(luaA_checknumber_range(L, 4, MIN_X11_SIZE, MAX_X11_SIZE));
         bool horiz = lua_toboolean(L, 5);
         const char *bg = luaL_checklstring(L, 6, &bg_len);
         bool revers = lua_toboolean(L, 7);
-        int spacing = luaA_checkinteger_range(L, 8, 0, MAX_X11_COORDINATE);
+        int spacing = ceil(luaA_checknumber_range(L, 8, 0, MAX_X11_COORDINATE));
         color_t bg_color;
         bool force_redraw = false;