MarketPlain

MarketPlain / Financial tools

Financial tools

Explore the mechanics of US stocks and crypto with focused, browser-based calculators.

Compound Growth Calculator

Project a hypothetical balance using a starting amount, periodic contributions, time, and an assumed annual growth rate compounded at a chosen frequency.

Dollar-Cost Averaging Calculator

Model recurring investments using a fixed contribution, purchase price sequence, and schedule to estimate total units and average cost.

Staking APY Calculator

Estimate simple staking rewards and ending token quantity from a token amount, annual percentage yield, and staking duration.

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