Investment & Compounding Calculator

Initial investment

One-time starting amount

Periodic contribution

Amount added each period (e.g., monthly)

Expected annual return (%)

Nominal annual rate (before inflation)

Years to grow

Duration in years

Compounding frequency

Choose how often interest is applied

Contribution timing

Contributions at start boost future value slightly

Future value

Contrib: $0

Interest earned

—

Peak balance (year)

Review growth below

Growth chart

Table shows end-of-year balances (rounded)

Year	Start	Contrib	Interest	End Balance