diff --git a/esphome/components/ads1115/ads1115.cpp b/esphome/components/ads1115/ads1115.cpp
index dc74fe6392..c05064383c 100644
--- a/esphome/components/ads1115/ads1115.cpp
+++ b/esphome/components/ads1115/ads1115.cpp
@@ -86,7 +86,7 @@ float ADS1115Component::request_measurement(ADS1115Multiplexer multiplexer, ADS1
   //        0bxxxxBBBxxxxxxxxx
   config &= 0b1111000111111111;
   config |= (gain & 0b111) << 9;
-  
+
   // Sample rate
   //        0bxxxxxxxxBBBxxxxx
   config &= 0b1111111100011111;
@@ -103,52 +103,52 @@ float ADS1115Component::request_measurement(ADS1115Multiplexer multiplexer, ADS1
       return NAN;
     }
     this->prev_config_ = config;
-    
+
+    // Delay calculated as: ceil((1000/SPS)+.5)
     if (resolution == ADS1015_12_BITS) {
       switch (samplerate) {
         case ADS1115_8SPS:
-          delay(9); // ceil((1000/128)+.5)
+          delay(9);
           break;
         case ADS1115_16SPS:
-          delay(5); // ceil((1000/250)+.5)
+          delay(5);
           break;
         case ADS1115_32SPS:
-          delay(3); // ceil((1000/475)+.5)
+          delay(3);
           break;
         case ADS1115_64SPS:
         case ADS1115_128SPS:
-          delay(2); // ceil((1000/1600)+.5)
+          delay(2);
           break;
         default:
-          delay(1); // ceil((2400/1600)+.5)
+          delay(1);
           break;
       }
-    }
-    else {
+    } else {
       switch (samplerate) {
         case ADS1115_8SPS:
-          delay(126); // ceil((1000/8)+.5)
+          delay(126);  // NOLINT
           break;
         case ADS1115_16SPS:
-          delay(63); // ceil((1000/16)+.5)
+          delay(63);  // NOLINT
           break;
         case ADS1115_32SPS:
-          delay(32); // ceil((1000/32)+.5)
+          delay(32);
           break;
         case ADS1115_64SPS:
-          delay(17); // ceil((1000/64)+.5)
+          delay(17);
           break;
         case ADS1115_128SPS:
-          delay(9); // ceil((1000/128)+.5)
+          delay(9);
           break;
         case ADS1115_250SPS:
-          delay(5); // ceil((1000/250)+.5)
+          delay(5);
           break;
         case ADS1115_475SPS:
-          delay(3); // ceil((1000/475)+.5)
+          delay(3);
           break;
         case ADS1115_860SPS:
-          delay(2); // ceil((1000/860)+.5)
+          delay(2);
           break;
       }
     }
diff --git a/esphome/components/ads1115/ads1115.h b/esphome/components/ads1115/ads1115.h
index ffdd9579a7..e65835a386 100644
--- a/esphome/components/ads1115/ads1115.h
+++ b/esphome/components/ads1115/ads1115.h
@@ -53,7 +53,8 @@ class ADS1115Component : public Component, public i2c::I2CDevice {
   void set_continuous_mode(bool continuous_mode) { continuous_mode_ = continuous_mode; }
 
   /// Helper method to request a measurement from a sensor.
-  float request_measurement(ADS1115Multiplexer multiplexer, ADS1115Gain gain, ADS1115Resolution resolution, ADS1115Samplerate samplerate);
+  float request_measurement(ADS1115Multiplexer multiplexer, ADS1115Gain gain, ADS1115Resolution resolution,
+                            ADS1115Samplerate samplerate);
 
  protected:
   uint16_t prev_config_{0};
diff --git a/esphome/components/ads1115/sensor/__init__.py b/esphome/components/ads1115/sensor/__init__.py
index c57652d8d8..f346a71198 100644
--- a/esphome/components/ads1115/sensor/__init__.py
+++ b/esphome/components/ads1115/sensor/__init__.py
@@ -53,7 +53,7 @@ SAMPLERATE = {
     "128": ADS1115Samplerate.ADS1115_128SPS,
     "250": ADS1115Samplerate.ADS1115_250SPS,
     "475": ADS1115Samplerate.ADS1115_475SPS,
-    "860": ADS1115Samplerate.ADS1115_860SPS
+    "860": ADS1115Samplerate.ADS1115_860SPS,
 }
 
 ADS1115Sensor = ads1115_ns.class_(
@@ -76,7 +76,9 @@ CONFIG_SCHEMA = (
             cv.Optional(CONF_RESOLUTION, default="16_BITS"): cv.enum(
                 RESOLUTION, upper=True, space="_"
             ),
-            cv.Optional(CONF_SAMPLE_RATE, default="860"): cv.enum(SAMPLERATE, string=True),
+            cv.Optional(CONF_SAMPLE_RATE, default="860"): cv.enum(
+                SAMPLERATE, string=True
+            ),
         }
     )
     .extend(cv.polling_component_schema("60s"))