diff --git a/butis/motor.c b/butis/motor.c
index ded03d0..17980ad 100644
--- a/butis/motor.c
+++ b/butis/motor.c
@@ -3,6 +3,15 @@
 extern inline void bt_motor_reset_fp32(BtMotorFP32* motor);
 extern inline void bt_motor_reset_fp64(BtMotorFP64* motor);
 
+extern inline void bt_motor_copy_fp32(const BtMotorFP32* source, BtMotorFP32* destination);
+extern inline void bt_motor_copy_fp64(const BtMotorFP64* source, BtMotorFP64* destination);
+
+extern inline void bt_motor_convert_fp64_to_fp32(const BtMotorFP64* source, BtMotorFP32* destination);
+extern inline void bt_motor_convert_fp32_to_fp64(const BtMotorFP32* source, BtMotorFP64* destination);
+
+extern inline int bt_motor_is_zero_fp32(const BtMotorFP32* motor);
+extern inline int bt_motor_is_zero_fp64(const BtMotorFP64* motor);
+
 extern inline int bt_motor_is_vector_fp32(const BtMotorFP32* motor);
 extern inline int bt_motor_is_vector_fp64(const BtMotorFP64* motor);
 
diff --git a/butis/motor.h b/butis/motor.h
index 33a42ba..8fb8b10 100644
--- a/butis/motor.h
+++ b/butis/motor.h
@@ -27,6 +27,46 @@ inline void bt_motor_reset_fp64(BtMotorFP64* motor)
     bgc_vector3_reset_fp64(&motor->momentum);
 }
 
+// ==================== Copy ==================== //
+
+inline void bt_motor_copy_fp32(const BtMotorFP32* source, BtMotorFP32* destination)
+{
+    bgc_vector3_copy_fp32(&source->vector, &destination->vector);
+    bgc_vector3_copy_fp32(&source->momentum, &destination->momentum);
+}
+
+inline void bt_motor_copy_fp64(const BtMotorFP64* source, BtMotorFP64* destination)
+{
+    bgc_vector3_copy_fp64(&source->vector, &destination->vector);
+    bgc_vector3_copy_fp64(&source->momentum, &destination->momentum);
+}
+
+// ================== Convert =================== //
+
+inline void bt_motor_convert_fp64_to_fp32(const BtMotorFP64* source, BtMotorFP32* destination)
+{
+    bgc_vector3_convert_fp64_to_fp32(&source->vector, &destination->vector);
+    bgc_vector3_convert_fp64_to_fp32(&source->momentum, &destination->momentum);
+}
+
+inline void bt_motor_convert_fp32_to_fp64(const BtMotorFP32* source, BtMotorFP64* destination)
+{
+    bgc_vector3_convert_fp32_to_fp64(&source->vector, &destination->vector);
+    bgc_vector3_convert_fp32_to_fp64(&source->momentum, &destination->momentum);
+}
+
+// ================== Is Zero =================== //
+
+inline int bt_motor_is_zero_fp32(const BtMotorFP32* motor)
+{
+    return bgc_vector3_is_zero_fp32(&motor->vector) && bgc_vector3_is_zero_fp32(&motor->momentum);
+}
+
+inline int bt_motor_is_zero_fp64(const BtMotorFP64* motor)
+{
+    return bgc_vector3_is_zero_fp64(&motor->vector) && bgc_vector3_is_zero_fp64(&motor->momentum);
+}
+
 // ================= Is Vector ================== //
 
 inline int bt_motor_is_vector_fp32(const BtMotorFP32* motor)