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Finance & Tax Tools

Tax calculation, investment, and loan simulation tools

14 tools

Simulate compound interest on investments. Calculate future asset value from principal, rate, and period.

Calculate markup percentage and selling price from cost. Set prices based on your target profit.

Calculate profit margin from selling price and cost. Also see the difference between margin and markup.

Calculate discounted prices and savings from a discount percentage. Compare multiple discount rates side by side.

Calculate the break-even point from fixed and variable costs. Determine the required sales volume and revenue targets.

Calculate monthly payments, total payments, and interest for loans. Includes a full amortization schedule.

Calculate monthly savings needed or time required to reach your goal. Supports interest rate simulations for accurate projections.

Automatically calculate return on investment (ROI) and profit/loss. Compare and evaluate multiple investment options.

Calculate how long it takes for an investment to double using the Rule of 72. Compare doubling times across different interest rates.

Allocate your income using the 50/30/20 rule for needs, wants, and savings. Just enter your take-home pay to see your ideal budget breakdown.

Estimate when you can achieve Financial Independence, Retire Early (FIRE). Simulate different savings rates and investment returns.

Estimate the future value of your investments. Enter interest rate, time period, and contributions to see compound growth.

View your full loan amortization schedule at a glance. See monthly principal and interest breakdowns with visual charts.

Calculate your monthly mortgage payment and total cost. Compare repayment plans by adjusting interest rates and loan terms.