diff --git a/src/pools/fixedRate/FixedRateExchange.ts b/src/pools/fixedRate/FixedRateExchange.ts
index a4ea7d08..dff8f585 100644
--- a/src/pools/fixedRate/FixedRateExchange.ts
+++ b/src/pools/fixedRate/FixedRateExchange.ts
@@ -9,7 +9,9 @@ import {
   LoggerInstance,
   getFairGasPrice,
   configHelperNetworks,
-  setContractDefaults
+  setContractDefaults,
+  amountToUnits,
+  unitsToAmount
 } from '../../utils'
 import { Config } from '../../models/index.js'
 import { PriceAndFees } from '../..'
@@ -89,38 +91,11 @@ export class FixedRateExchange {
   }
 
   async amountToUnits(token: string, amount: string): Promise<string> {
-    let decimals = 18
-    const tokenContract = setContractDefaults(
-      new this.web3.eth.Contract(defaultErc20Abi.abi as AbiItem[], token),
-      this.config
-    )
-
-    try {
-      decimals = await tokenContract.methods.decimals().call()
-    } catch (e) {
-      LoggerInstance.error('ERROR: FAILED TO CALL DECIMALS(), USING 18')
-    }
-
-    const amountFormatted = new BigNumber(parseInt(amount) * 10 ** decimals)
-
-    return amountFormatted.toString()
+    return amountToUnits(this.web3, token, amount)
   }
 
   async unitsToAmount(token: string, amount: string): Promise<string> {
-    let decimals = 18
-    const tokenContract = setContractDefaults(
-      new this.web3.eth.Contract(defaultErc20Abi.abi as AbiItem[], token),
-      this.config
-    )
-    try {
-      decimals = await tokenContract.methods.decimals().call()
-    } catch (e) {
-      LoggerInstance.error('ERROR: FAILED TO CALL DECIMALS(), USING 18')
-    }
-
-    const amountFormatted = new BigNumber(parseInt(amount) / 10 ** decimals)
-
-    return amountFormatted.toString()
+    return unitsToAmount(this.web3, token, amount)
   }
 
   /**
diff --git a/src/utils/ContractUtils.ts b/src/utils/ContractUtils.ts
index 5d2880be..3c37eece 100644
--- a/src/utils/ContractUtils.ts
+++ b/src/utils/ContractUtils.ts
@@ -80,7 +80,7 @@ export function getFreCreationParams(freParams: FreCreationParams): any {
     uints: [
       freParams.baseTokenDecimals,
       freParams.datatokenDecimals,
-      freParams.fixedRate,
+      Web3.utils.toWei(freParams.fixedRate),
       Web3.utils.toWei(freParams.marketFee),
       withMint
     ]
diff --git a/test/unit/pools/fixedRate/FixedRateExchange.test.ts b/test/unit/pools/fixedRate/FixedRateExchange.test.ts
index e39811e6..6959e017 100644
--- a/test/unit/pools/fixedRate/FixedRateExchange.test.ts
+++ b/test/unit/pools/fixedRate/FixedRateExchange.test.ts
@@ -121,7 +121,7 @@ describe('Fixed Rate unit test', () => {
         marketFeeCollector: user3,
         baseTokenDecimals: 18,
         datatokenDecimals: 18,
-        fixedRate: web3.utils.toWei('1'),
+        fixedRate: '1',
         marketFee: '0.001',
         allowedConsumer: ADDRESS_ZERO,
         withMint: false
@@ -453,7 +453,7 @@ describe('Fixed Rate unit test', () => {
         marketFeeCollector: user3,
         baseTokenDecimals: 6,
         datatokenDecimals: 18,
-        fixedRate: web3.utils.toWei('1'),
+        fixedRate: '1',
         marketFee: '0.001',
         allowedConsumer: ADDRESS_ZERO,
         withMint: false