diff --git a/esphome/const.py b/esphome/const.py
index 4357963384..37844e1047 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -1033,11 +1033,13 @@ UNIT_KILOWATT_HOURS = "kWh"
 UNIT_LUX = "lx"
 UNIT_METER = "m"
 UNIT_METER_PER_SECOND_SQUARED = "m/s²"
+UNIT_MICROAMP = "µA"
 UNIT_MICROGRAMS_PER_CUBIC_METER = "µg/m³"
 UNIT_MICROMETER = "µm"
 UNIT_MICROSIEMENS_PER_CENTIMETER = "µS/cm"
 UNIT_MICROSILVERTS_PER_HOUR = "µSv/h"
 UNIT_MICROTESLA = "µT"
+UNIT_MILLIAMP = "mA"
 UNIT_MILLIGRAMS_PER_CUBIC_METER = "mg/m³"
 UNIT_MILLIMETER = "mm"
 UNIT_MILLISECOND = "ms"