投資・資産形成calculator

純資産計算機 (資産・負債バランスシート)

Calculate your true financial scorecard. Sum up your liquid cash, retirement portfolios, home equity, and vehicles, then subtract mortgages, student debt, and credit cards.

入力パラメータ

ブラウザ内処理のみ

計算結果と分析

計算準備完了 (¥0)

左側の入力フォームに数値を入力すると、リアルタイムで計算結果と推移グラフが生成されます。

Total Net Worth: $0

純資産$0

総資産$0

総負債$0

Liquid Capital$0Cash & Brokerage

配分の内訳

Retirement & Investments:$0

Real Estate Equity:$0

Liquid Cash & Savings:$0

Vehicles & Personal Items:$0

戦略的インサイト

主な洞察と次のアクション

Add your cash, retirement funds, real estate equity, and other assets.
List any debts including mortgages, student loans, or credit card balances.
Instant real-time balance sheet analysis updates immediately as you type.

セクション1: 計算の仕組み

この計算の仕組み（わかりやすい解説）

Net Worth is the ultimate measure of financial health: Assets (everything you own) minus Liabilities (everything you owe). Income is how much money flows through your hands; Net Worth is how much money you actually keep and grow. Tracking it semi-annually reveals whether your daily habits are building real freedom.

セクション2: 数式と計算前提

アルゴリズム数式と計算根拠

計算式:

R = f(X_1, X_2, \dots, X_n) \quad \text{subject to standard actuarial bounds}

モデルの前提条件:

Vehicle values should reflect private party resale market value (e.g. KBB), not original purchase price.
Retirement accounts reflect current vested market balances.

セクション3: 実践的なシミュレーション

Comparative Impact Modeling

戦略的な調整によって将来の推移がどう変わるか確認してください:

戦略 A

Baseline Minimum Strategy

Making scheduled minimum payments without additional principal allocation.

Outcome: Maximum lifetime interest accrual and delayed financial freedom.

戦略 B（最適化）

Accelerated Decision Strategy

Allocating strategic monthly surplus directly to principal reduction.

Outcome: Significant interest reduction and exponential acceleration toward goals.

戦略のポイント: Even modest monthly adjustments create substantial compound savings over multi-year horizons.

セクション4: 例外・境界条件

モデルの制限事項と境界条件

While this engine calculates standard actuarial and consumer finance metrics, real-world finance introduces nuances that no automated model can fully predict:

Assumes tax rates, inflation indices, and APR rates remain static across modeled projections.
Educational estimate; not a formal underwriting commitment from lending institutions.
Excludes localized municipal surtaxes, insurance rider surcharges, or variable-rate APR triggers.

よくあるご質問

よくある質問: 純資産計算機 (資産・負債バランスシート)

What is Liquid Net Worth?

Liquid Net Worth excludes illiquid property like your primary home equity and cars, measuring only assets that can be converted into cash within days (checking, savings, stocks, and bonds).

Is it normal to have a negative net worth in your 20s?

Yes! Graduates with student loan debt or early car loans often start with a negative net worth. Consistent debt reduction and early investing flip this metric into positive territory rapidly.

純資産計算機 (資産・負債バランスシート)

埋め込み純資産計算機 (資産・負債バランスシート)

入力パラメータ

流動資産（預貯金・現金）

投資資産（株式・投信・年金）

固定資産（不動産・自動車等）

負債・借入残高