diff --git a/esphome/components/mcp4725/mcp4725.cpp b/esphome/components/mcp4725/mcp4725.cpp
index 21aff90fae..8e94623de3 100644
--- a/esphome/components/mcp4725/mcp4725.cpp
+++ b/esphome/components/mcp4725/mcp4725.cpp
@@ -24,7 +24,8 @@ void MCP4725::dump_config() {
 
 // https://learn.sparkfun.com/tutorials/mcp4725-digital-to-analog-converter-hookup-guide?_ga=2.176055202.1402343014.1607953301-893095255.1606753886
 void MCP4725::write_state(float state) {
-  const uint16_t value = (uint16_t) roundf(state * (powf(2, MCP4725_RES) - 1));
+  constexpr uint16_t max_value = (1U << MCP4725_RES) - 1;
+  const uint16_t value = (uint16_t) roundf(state * max_value);
 
   this->write_byte_16(64, value << 4);
 }
diff --git a/esphome/components/mcp4725/mcp4725.h b/esphome/components/mcp4725/mcp4725.h
index 4f1f128e52..a0838dc33e 100644
--- a/esphome/components/mcp4725/mcp4725.h
+++ b/esphome/components/mcp4725/mcp4725.h
@@ -4,10 +4,11 @@
 #include "esphome/core/component.h"
 #include "esphome/components/i2c/i2c.h"
 
-static const uint8_t MCP4725_ADDR = 0x60;
-static const uint8_t MCP4725_RES = 12;
-
 namespace esphome::mcp4725 {
+
+static constexpr uint8_t MCP4725_ADDR = 0x60;
+static constexpr uint8_t MCP4725_RES = 12;
+
 class MCP4725 final : public Component, public output::FloatOutput, public i2c::I2CDevice {
  public:
   void setup() override;