diff --git a/pkgs/development/python-modules/units/default.nix b/pkgs/development/python-modules/units/default.nix
new file mode 100644
index 00000000000..02a3fc940ae
--- /dev/null
+++ b/pkgs/development/python-modules/units/default.nix
@@ -0,0 +1,21 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+}:
+
+buildPythonPackage rec {
+  pname = "units";
+  version = "0.07";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "43eb3e073e1b11289df7b1c3f184b5b917ccad178b717b03933298716f200e14";
+  };
+
+  meta = with lib; {
+    description = "Python support for quantities with units";
+    homepage = https://bitbucket.org/adonohue/units/;
+    license = licenses.psfl;
+    maintainers = [ maintainers.costrouc ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4deb92358f4..1e260730d52 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4800,6 +4800,8 @@ in {
 
   unidiff = callPackage ../development/python-modules/unidiff { };
 
+  units = callPackage ../development/python-modules/units { };
+
   unittest2 = callPackage ../development/python-modules/unittest2 { };
 
   unittest-xml-reporting = callPackage ../development/python-modules/unittest-xml-reporting { };