diff --git a/physics/Einstein's Energy-Mass Equivalence.py b/physics/Einstein's Energy-Mass Equivalence.py
new file mode 100644
index 000000000000..766cbf5a8c54
--- /dev/null
+++ b/physics/Einstein's Energy-Mass Equivalence.py	
@@ -0,0 +1,19 @@
+c = 299792458
+
+
+def energy_equivalence(mass_kg):
+    # Check if the mass is non-negative
+    if mass < 0:
+        raise ValueError("mass should be positive")
+
+    # Check if the speed of light is positive
+    if c <= 0:
+        raise ValueError("Speed of light must be positive")
+
+    # Calculate energy using the mass-energy equivalence equation
+    energy = mass * c**2
+    return energy
+
+
+if __name__ == "__main__":
+    energy_equivalence()