Convertible Note Calculator

Calculate convertible note accrued interest, maturity value, and conversion to equity at your next funding round.

Note Terms

Principal Amount ($)

Interest Rate (%)

Term (months)

Months Elapsed optional

Valuation Cap ($)

Discount Rate (%)

Pre-Money Valuation ($)

Price Per Share ($)

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Enter note terms to calculate interest and conversion

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MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

ðŸ”„Last reviewed: May 2026

âœ“Formula checks are based on standard references and internal QA review.