UK Finance Glossary
Compound Interest Explained
Compound interest means interest or returns can earn further interest.
Meaning
Compound interest happens when interest or investment gains are added to the balance, then future growth is calculated on the larger amount.
How calculations work
Calculators use clear inputs such as amount, rate, term, tax year, contribution, or monthly payment. The support guides explain those inputs so users can understand the result.
Updated for UK context
Content is written for UK finance searches, including UK tax years, lending terms, ISA rules, APR, and repayment assumptions.
Financial assumptions explained
These pages are educational estimates, not financial advice. Users should compare provider terms and official rules before acting.