diff --git a/src/xrt/auxiliary/util/u_time.h b/src/xrt/auxiliary/util/u_time.h
index b4c253b71..4d836a058 100644
--- a/src/xrt/auxiliary/util/u_time.h
+++ b/src/xrt/auxiliary/util/u_time.h
@@ -108,6 +108,19 @@ time_ns_to_ms_f(time_duration_ns ns)
 	return (double)(ns) / (double)(U_TIME_1MS_IN_NS);
 }
 
+/*!
+ * Convert double float milliseconds to nanoseconds, human comprehensible config
+ * inputs. Recommended to keep the absolute value of the input relitively small.
+ *
+ * @see timepoint_ns
+ * @ingroup aux_util
+ */
+static inline timepoint_ns
+time_ms_f_to_ns(double ms_f)
+{
+	return (timepoint_ns)(ms_f * (double)(U_TIME_1MS_IN_NS));
+}
+
 /*!
  * Checks if two timepoints are with a certain range of each other.
  *