--- a/runtime/common/src/constants.rs
+++ b/runtime/common/src/constants.rs
@@ -14,6 +14,8 @@
 pub const HOURS: BlockNumber = MINUTES * 60;
 pub const DAYS: BlockNumber = HOURS * 24;
 
+pub const WEIGHT_TO_FEE_COEFF: u32 = 142_688_000;
+
 /// We assume that ~10% of the block weight is consumed by `on_initalize` handlers.
 /// This is used to limit the maximal weight of a single extrinsic.
 pub const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(10);
--- a/runtime/opal/src/lib.rs
+++ b/runtime/opal/src/lib.rs
@@ -467,7 +467,7 @@
 	fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
 		smallvec!(WeightToFeeCoefficient {
 			// Targeting 0.1 Unique per NFT transfer
-			coeff_integer: 142_688_000u32.into(),
+			coeff_integer: WEIGHT_TO_FEE_COEFF.into(),
 			coeff_frac: Perbill::zero(),
 			negative: false,
 			degree: 1,
--- a/runtime/quartz/src/lib.rs
+++ b/runtime/quartz/src/lib.rs
@@ -467,7 +467,7 @@
 	fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
 		smallvec!(WeightToFeeCoefficient {
 			// Targeting 0.1 Unique per NFT transfer
-			coeff_integer: 142_688_000u32.into(),
+			coeff_integer: WEIGHT_TO_FEE_COEFF.into(),
 			coeff_frac: Perbill::zero(),
 			negative: false,
 			degree: 1,
--- a/runtime/unique/src/lib.rs
+++ b/runtime/unique/src/lib.rs
@@ -466,7 +466,7 @@
 	fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
 		smallvec!(WeightToFeeCoefficient {
 			// Targeting 0.1 Unique per NFT transfer
-			coeff_integer: 142_688_000u32.into(),
+			coeff_integer: WEIGHT_TO_FEE_COEFF.into(),
 			coeff_frac: Perbill::zero(),
 			negative: false,
 			degree: 1,