Sammy's Workspace

Financial Tools

Personal calculators and stock tools, built for precision thinking.

Calculator

Compound Interest

Initial Investment ($)

Interest Rate (% per year)

Compounded

Years

Monthly Contribution ($)

Future Value —

Total Contributed —

Interest Earned —

Return Multiple —

Calculator

Loan Amount ($)

Annual Interest Rate (%)

Loan Term (Years)

Property Tax ($ / year)

Home Insurance ($ / year)

HOA ($ / month)

PMI / Other ($ / month)

Monthly Principal + Interest —

Monthly Taxes + Insurance + HOA + PMI —

Total Monthly Payment —

Total Interest (life of loan) —

Total Cost (P&I + add-ons) —

Quick Tool

Annual Return Rate (%)

Years to Double —

Rate to Double in 10 yrs —

Stock Tool

Stock Price ($)

Earnings Per Share ($)

EPS Growth Rate (% / yr)

P/E Ratio —

PEG Ratio —

Valuation Signal —

Fair Value (Graham) —