CalcMyCompoundについて

私たちの使命

CalcMyCompoundは、誰もが無料で明確かつ正確な金融ツールにアクセスできるべきだと考えて作りました。

複利を理解することは、人が学べる最も重要な金融概念の一つです。

この計算機の特徴

すべての計算はブラウザ内でリアルタイムに即座に行われます。

高速で、モバイル対応で、正確に設計されています。

私たちについて

CalcMyCompoundは、開発者と金融愛好家の小さなチームが作った独立プロジェクトです。

精度と制限

標準的な複利公式を使用しています。教育目的のみの概算です。税金、インフレ、投資手数料は考慮していません。

About Kymata Labs

CalcMyCompound is built and maintained by Kymata Labs LLC, an independent digital product studio focused on building free, accurate, and accessible tools for everyday financial decisions. Kymata Labs was founded on a simple belief: that the kind of financial modeling once reserved for Wall Street spreadsheets should be available to anyone with a smartphone. We build tools that don't require account creation, don't track you, and don't upsell you — just clear, fast answers to real financial questions.

We chose to support 20 languages because wealth-building advice should not be locked behind a language barrier. Whether you are in Jakarta, São Paulo, or Stockholm, the mathematics of compound interest works the same way. Our localization team ensures that examples, currency formatting, and explanations feel native — not machine-translated.

How the Calculator Works

The CalcMyCompound engine uses the standard compound interest formula A = P(1 + r/n)^(nt) combined with a future value of annuity calculation for periodic contributions: FV = PMT × [((1 + r/n)^(nt) - 1) / (r/n)]. All arithmetic is performed in IEEE 754 double-precision floating point — the same standard used by financial institutions — and rounded to the nearest cent for display. Calculations run entirely in your browser; no data is ever sent to a server. The engine handles four compounding frequencies (daily, monthly, quarterly, annual) and time horizons from 1 to 50 years.