Interest Calculator
Calculate simple and compound interest with our free calculator. Compare different interest types and compounding frequencies.
Frequently Asked Questions
What is the difference between simple and compound interest?
Simple interest is calculated only on the principal amount, while compound interest is calculated on the principal plus accumulated interest.
How is compound interest calculated?
Compound interest is calculated using the formula: A = P(1 + r/n)^(nt), where A is final amount, P is principal, r is annual rate, n is compounding frequency, and t is time in years.
What is compounding frequency?
Compounding frequency is how often interest is calculated and added to the principal. Common frequencies are annually (1), semi-annually (2), quarterly (4), monthly (12), or daily (365).