diff --git a/src/components/ManaCalculator/components/RoleSection.tsx b/src/components/ManaCalculator/components/RoleSection.tsx
index 45e554e6eca..9ace248c180 100644
--- a/src/components/ManaCalculator/components/RoleSection.tsx
+++ b/src/components/ManaCalculator/components/RoleSection.tsx
@@ -8,8 +8,12 @@ import { DelegatorSettings } from './DelegatorSettings';
 import { ManaCalculatorInput } from '.';
 
 export function RoleSection() {
-  const { state, handleUserChange, handleOwnHoldChange, maxTotalSupply } =
-    useManaState();
+  const {
+    state,
+    handleUserChange,
+    handleOwnHoldChange,
+    maxAvailableOwnedAmount,
+  } = useManaState();
   return (
     <div className='mana_calculator__card'>
       <h4>Role configuration</h4>
@@ -31,7 +35,7 @@ export function RoleSection() {
       <label className='inlined-label'>Owned amount ({state.network})</label>
       <ManaCalculatorInput
         min={0}
-        max={maxTotalSupply}
+        max={fromMicro(maxAvailableOwnedAmount)}
         className='mana_calculator__compact inlined'
         value={fromMicro(state.heldTokens)}
         onChange={handleOwnHoldChange}
diff --git a/src/components/ManaCalculator/components/ValidatorCard.tsx b/src/components/ManaCalculator/components/ValidatorCard.tsx
index 23b95d2cd77..2856f4cf0ef 100644
--- a/src/components/ManaCalculator/components/ValidatorCard.tsx
+++ b/src/components/ManaCalculator/components/ValidatorCard.tsx
@@ -17,9 +17,15 @@ export function ValidatorCard({
     handleDelegatedStakeChange,
     handlePFChange,
     handleFCChange,
-    maxTotalSupply,
+    maxAvailableSupply,
   } = useManaState();
 
+  const maxValidatorLockedStake =
+    fromMicro(maxAvailableSupply) + fromMicro(validator.lockedStake);
+
+  const maxValidatorDelegatedStake =
+    fromMicro(maxAvailableSupply) + fromMicro(validator.delegatedStake);
+
   return (
     <>
       <div className='col col--2'>Validator {id + 1}</div>
@@ -27,7 +33,7 @@ export function ValidatorCard({
         <ManaCalculatorInput
           className='w-full'
           min={0}
-          max={maxTotalSupply}
+          max={maxValidatorLockedStake}
           value={fromMicro(validator.lockedStake)}
           onChange={(value: string) => handleStakeChange(value, id)}
         />
@@ -36,7 +42,7 @@ export function ValidatorCard({
         <ManaCalculatorInput
           className='w-full'
           min={0}
-          max={maxTotalSupply}
+          max={maxValidatorDelegatedStake}
           value={fromMicro(validator.delegatedStake)}
           onChange={(value: string) => handleDelegatedStakeChange(value, id)}
         />
diff --git a/src/components/ManaCalculator/components/ValidatorSettings.tsx b/src/components/ManaCalculator/components/ValidatorSettings.tsx
index 5efe5b2979d..f39a62f4ac6 100644
--- a/src/components/ManaCalculator/components/ValidatorSettings.tsx
+++ b/src/components/ManaCalculator/components/ValidatorSettings.tsx
@@ -11,8 +11,13 @@ export function ValidatorSettings() {
     handleOwnFCChange,
     handleOwnStakeChange,
     handleAttractedNewDelegatedStakeChange,
-    maxTotalSupply,
+    maxAvailableSupply,
   } = useManaState();
+
+  const maxAttractedNewDelegatedStake =
+    fromMicro(maxAvailableSupply) +
+    fromMicro(state.validator.attractedNewDelegatedStake);
+
   return (
     <Details
       summary='Validator Settings'
@@ -52,7 +57,7 @@ export function ValidatorSettings() {
       <ManaCalculatorInput
         className='mana_calculator__compact input--vertical-spaced'
         min={0}
-        max={maxTotalSupply}
+        max={maxAttractedNewDelegatedStake}
         value={roundMax(
           fromMicro(state.validator.attractedNewDelegatedStake),
           0,
diff --git a/src/components/ManaCalculator/hooks/useManaState.ts b/src/components/ManaCalculator/hooks/useManaState.ts
index 3a512b7f8f4..7236cd09974 100644
--- a/src/components/ManaCalculator/hooks/useManaState.ts
+++ b/src/components/ManaCalculator/hooks/useManaState.ts
@@ -12,10 +12,12 @@ import {
 import { CongestionType, NetworkType, UserType } from '../enums';
 import { ManaCalculatorProps, ManaState, ValidatorProps } from '../types';
 import {
+  fromMicro,
   getNetworkCongestion,
   getNetworkGenerationPerSlot,
   getNetworkSupply,
   getStakedOrDelegated,
+  getValidInputValue,
   toMicro,
 } from '../utils';
 
@@ -187,11 +189,27 @@ export function useGivenManaState(
   const generationPerSlot = getNetworkGenerationPerSlot(state.network);
   const stakedOrDelegatedTokens = state[getStakedOrDelegated(state.userType)];
 
-  const userOwned = state.heldTokens + stakedOrDelegatedTokens;
-  const maxTotalSupply =
-    userOwned +
-    state.validators.reduce((a, b) => a + b.lockedStake, 0) +
-    state.validators.reduce((a, b) => a + b.delegatedStake, 0);
+  const networkSupply = getNetworkSupply(state.network);
+
+  const userOwnedTokens = state.heldTokens;
+
+  const totalValidatorsLockedStake = state.validators.reduce(
+    (a, b) => a + b.lockedStake,
+    0,
+  );
+  const totalValidatorsDelegatedStake = state.validators.reduce(
+    (a, b) => a + b.delegatedStake,
+    0,
+  );
+
+  const totalValidatorsStake =
+    totalValidatorsLockedStake + totalValidatorsDelegatedStake;
+
+  const totalStake = userOwnedTokens + totalValidatorsStake;
+
+  const maxAvailableOwnedAmount = networkSupply - totalValidatorsStake;
+
+  const maxAvailableSupply = Math.max(networkSupply - totalStake, 0);
 
   return {
     state: {
@@ -200,7 +218,8 @@ export function useGivenManaState(
       generationPerSlot,
       stakedOrDelegatedTokens,
     } as ManaState,
-    maxTotalSupply,
+    maxAvailableOwnedAmount,
+    maxAvailableSupply,
     handleDelete,
     handleStakeChange,
     handleAddValidator,
@@ -221,29 +240,6 @@ export function useGivenManaState(
   };
 }
 
-function getValidInputValue(
-  num: string,
-  transformNumber?: (number) => number,
-): number {
-  let value = inputValuetoNumber(num);
-
-  if (transformNumber) {
-    value = transformNumber(value);
-  }
-
-  const isInvalid = isNaN(value);
-
-  if (isInvalid) {
-    throw new Error('Invalid number');
-  }
-
-  return value;
-}
-
-function inputValuetoNumber(value: string) {
-  return Number(Number(value).toString());
-}
-
 export function getDefaultParameters(
   network: NetworkType,
 ): ManaCalculatorProps {
diff --git a/src/components/ManaCalculator/utils.ts b/src/components/ManaCalculator/utils.ts
index 5d1f2f870f8..326ac8f9560 100644
--- a/src/components/ManaCalculator/utils.ts
+++ b/src/components/ManaCalculator/utils.ts
@@ -89,3 +89,24 @@ export function getStakedOrDelegated(userType: UserType) {
 export const roundMax = function (num: number, places: number) {
   return +(Math.round(Number(num + 'e+' + places)) + 'e-' + places);
 };
+
+
+export function getValidInputValue(
+  num: string,
+  transformNumber?: (number: number) => number,
+): number {
+  let value = Number(Number(num).toString());
+
+  if (transformNumber) {
+    value = transformNumber(value);
+  }
+
+  const isInvalid = isNaN(value);
+
+  if (isInvalid) {
+    throw new Error('Invalid number');
+  }
+
+  return value;
+}
+