Interest Rate Calculator

Two tools: implied return on a single deposit, or APR on a fixed-rate loan from payment and term.

Investment: rate from growth

Given starting balance, ending balance, years, and how often interest compounds.

Starting balance (PV)

Ending balance (FV)

Years

Compound frequency

Loan: APR from payment

Loan amount, monthly payment, and number of payments (level payment loan).

Loan amount

Monthly payment

Number of monthly payments