pine

Personal finance, without the noise

Pine is a free set of focused finance calculators for making smarter money decisions — position sizing, budgeting, mortgages, and more. No account required.

Tools

Trade Calculator

Size a position from your available funds, then project profit, ROI, and risk:reward at a target price and stop-loss.

Open Calculator

Budget Calculator

Plan your monthly budget and track spending across needs, wants, and savings.

Plan Budget

Paycheck Calculator

Estimate take-home pay after federal taxes, state taxes, and deductions.

Estimate Pay

Rent vs. Buy

Compare the true long-term cost of renting against buying, accounting for opportunity cost, appreciation, taxes, and maintenance.

Compare

Monte Carlo Simulator

Run thousands of portfolio simulations to estimate the probability of reaching your financial goals under different market scenarios.

Run Simulation

Amortization Calculator

Break a mortgage into a full payment schedule — monthly principal vs. interest, remaining balance over time, and total interest cost.

Calculate

Opportunity Cost Calculator

Compare saving vs. investing over time and see how much more you'd end up with by putting your money in the market.

Compare