*Disclaimer: Please note that by default this calculator uses the prime interest rate for bond payment calculations. This is purely for convenience and not an indication of the interest rate that might be offered to you by a bank. This calculator is intended to provide estimates based on the indicated amounts, rates and fees. Whilst we make every effort to ensure the accuracy of these calculations, we cannot be held liable for inaccuracies. Heunis & Straeuli does not accept liability for any damages arising from the use of this calculator.