diff --git a/lib/account.d.ts b/lib/account.d.ts
index 869a5fb0c1..663afc6e1a 100644
--- a/lib/account.d.ts
+++ b/lib/account.d.ts
@@ -8,6 +8,15 @@ export interface AccountState {
     amount: string;
     staked: string;
     code_hash: string;
+    storage_usage: number;
+    locked: string;
+    balance: AccountBalance;
+}
+export interface AccountBalance {
+    total: string;
+    stateStaked: string;
+    staked: string;
+    available: string;
 }
 /**
  * More information on [the Account spec](https://nomicon.io/DataStructures/Account.html)
@@ -119,4 +128,9 @@ export declare class Account {
      * @returns {Promise<any>}
      */
     getAccountDetails(): Promise<any>;
+    /**
+     * Returns calculated account balance
+     * @returns {Promise<AccountBalance>}
+     */
+    private getAccountBalance;
 }
diff --git a/lib/account.js b/lib/account.js
index 71154b5d74..62661b6a71 100644
--- a/lib/account.js
+++ b/lib/account.js
@@ -50,6 +50,7 @@ class Account {
      */
     async state() {
         await this.ready;
+        this._state.balance = await this.getAccountBalance();
         return this._state;
     }
     printLogs(contractId, logs) {
@@ -279,5 +280,23 @@ class Account {
         });
         return result;
     }
+    /**
+     * Returns calculated account balance
+     * @returns {Promise<AccountBalance>}
+     */
+    async getAccountBalance() {
+        const genesisConfig = await this.connection.provider.genesisConfig();
+        const costPerByte = new bn_js_1.default(genesisConfig.runtime_config.storage_amount_per_byte);
+        const stateStaked = new bn_js_1.default(this._state.storage_usage).mul(costPerByte);
+        const staked = new bn_js_1.default(this._state.locked);
+        const totalBalance = new bn_js_1.default(this._state.amount).add(staked);
+        const availableBalance = totalBalance.sub(staked).sub(stateStaked);
+        return {
+            total: totalBalance.toString(),
+            stateStaked: stateStaked.toString(),
+            staked: staked.toString(),
+            available: availableBalance.toString()
+        };
+    }
 }
 exports.Account = Account;
diff --git a/src/account.ts b/src/account.ts
index 0bb8886080..b114cc9e59 100644
--- a/src/account.ts
+++ b/src/account.ts
@@ -36,6 +36,16 @@ export interface AccountState {
     amount: string;
     staked: string;
     code_hash: string;
+    storage_usage: number;
+    locked: string;
+    balance: AccountBalance;
+}
+
+export interface AccountBalance {
+    total: string;
+    stateStaked: string;
+    staked: string;
+    available: string;
 }
 
 /**
@@ -70,6 +80,7 @@ export class Account {
      */
     async state(): Promise<AccountState> {
         await this.ready;
+        this._state.balance = await this.getAccountBalance();
         return this._state;
     }
 
@@ -324,4 +335,25 @@ export class Account {
         });
         return result;
     }
+
+    /**
+     * Returns calculated account balance
+     * @returns {Promise<AccountBalance>}
+     */
+    private async getAccountBalance(): Promise<AccountBalance> {
+        const genesisConfig = await this.connection.provider.genesisConfig();
+        
+        const costPerByte = new BN(genesisConfig.runtime_config.storage_amount_per_byte);
+        const stateStaked = new BN(this._state.storage_usage).mul(costPerByte);
+        const staked = new BN(this._state.locked);
+        const totalBalance = new BN(this._state.amount).add(staked);
+        const availableBalance = totalBalance.sub(staked).sub(stateStaked);
+
+        return {
+            total: totalBalance.toString(),
+            stateStaked: stateStaked.toString(),
+            staked: staked.toString(),
+            available: availableBalance.toString()
+        };
+    }
 }