Ultimate Interest Rate Calculator

← Back to Home

Basic Interest Calculations

Simple Interest

Principal: Rate (%): Time:

Formula: Interest = Principal × Rate × Time ÷ 100

Compound Interest (Annually)

Principal: Rate (%): Time:

Formula: Amount = Principal × (1 + Rate/100)^Time

Advanced Interest Calculations

Compound Interest (Custom Compounding)

Principal: Rate (%): Time: Compounds per year:

Formula: Amount = Principal × (1 + Rate/(100 × Compounds))^(Compounds × Time)

Effective Annual Rate (EAR)

Nominal Rate (%): Compounds per year:

Formula: EAR = (1 + Nominal Rate/(100 × Compounds))^Compounds - 1

Future Value of Annuity

Payment per period: Rate (%): Periods:

Formula: FV = Payment × (((1 + Rate/100)^Periods - 1) ÷ (Rate/100))

Find More Calculators