Wealth Acceleration

Compound interest, retirement, and FIRE math — the tools and guides for growing wealth over decades.

18 tools

401k Calculator

Top pick

Project your 401k balance at retirement

Roth IRA Calculator

Top pick

See how much tax-free wealth your Roth IRA will build

FIRE Calculator

Top pick

Calculate your FIRE number and years to financial independence

Net Worth Calculator

Strong

Calculate your true net worth with assets and liabilities

Dollar Cost Averaging Calculator

Top pick

See the power of regular investing with DCA

Dividend Calculator

Top pick

Calculate annual dividend income and DRIP growth

Inflation Calculator

Strong

See how inflation erodes purchasing power over time

4% Rule Calculator

Top pick

Find out how much you can safely withdraw in retirement

Stock Return Calculator

Top pick

Calculate total return including dividends on any stock trade

Capital Gains Tax Calculator

Top pick

Calculate long-term and short-term capital gains tax

Compound Interest Calculator

Top pick

Calculate compound interest and investment growth

DRIP Velocity Modeler

Growing

Model how dividend reinvestment accelerates your portfolio growth over time

Future Value Predictor

Growing

Project the future value of a lump sum or recurring investment

Portfolio Rebalancing Helper

Growing

Calculate the trades needed to bring your portfolio back to target allocation

Crypto Cost-Basis Tracking Tool

Growing

Track cost basis across crypto purchases for accurate gain/loss reporting

Asset Growth Projection Modeler

Growing

Project combined growth across multiple asset classes and accounts

FIRE Milestone Matrix

Growing

Track your progress across every major FIRE milestone, not just the finish line

Required Minimum Distribution (RMD) Estimator

Growing

Estimate your required minimum distributions from retirement accounts