リボ払い長期コスト計算機
高金利負債の仕組みを理解し、早期返済の重要性を実感できます。
Time Value of Money (TVM) Calculator
Enter any four variables among N, I/Y, PV, PMT and FV, select the unknown variable and payment timing, then click Calculate.
This tool is for learning and estimation only and does not constitute any investment, loan or financial advice.
TVM Input Area
Payment Timing
Most loans and bonds use end-of-period payments; some rents and annuities use beginning-of-period payments.
Unknown Variable (to be calculated)
Make sure the other four variables are filled in clearly. Empty fields are treated as unknown.
Result
After filling in four variables and selecting the unknown variable, click "Calculate" to see the result here.
Sign convention: Positive numbers usually represent cash inflow (receive), and negative numbers represent cash outflow (pay). For example, taking out a loan: PV is positive (receive money), PMT is negative (repay each period).
This tool is implemented purely in the browser and does not store any data. All calculations are for teaching/learning and estimation only and do not constitute any investment or lending recommendation.
クレジットカード最低返済額の罠シミュレーター
リボ払い・最低返済だけを続けた場合、完済までの期間と支払利息がどれほど膨らむかを視覚化します。
一般的な使用例
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