Boneyard Tools

Tax

Income tax, GST/VAT and payroll.

Finance Calculators

Capital Gains Tax Calculator

Estimate 2025 US capital gains tax on a sale. Enter buy and sell prices, holding period, income and filing status to see your gain, rate and net proceeds.

Finance Calculators

Crypto Cost Basis Calculator

Work out the cost basis and capital gain on a crypto sale. Add your buys, set the sale, and compare FIFO, LIFO, HIFO and average cost methods.

Finance Calculators

GST Calculator

Free GST calculator. Add GST to a net price or remove GST from a gross price at 5, 12, 18 or 28 percent and see the net, tax and total instantly.

Finance Calculators

HSA Calculator

Estimate your Health Savings Account tax savings and future balance. Enter contributions, tax rate, years and return to see growth and total tax saved.

Finance Calculators

Income Tax Calculator

Estimate your 2025 US federal income tax. Enter income and filing status to see taxable income, tax owed, effective rate and take-home pay.

Finance Calculators

Inflation Calculator

See how inflation raises prices and erodes purchasing power. Enter an amount, an average annual rate and the years to get the future cost and real value.

Finance Calculators

Paycheck Calculator

Estimate your 2025 take-home pay. Enter salary, filing status and pay frequency to see federal tax, Social Security and Medicare per paycheck.

Finance Calculators

Salary to Hourly Calculator

Convert pay between hourly, weekly, monthly and yearly. Enter an amount, pick the period and set your hours per week to see every equivalent.

Finance Calculators

Sales Tax Calculator

Calculate US sales tax fast. Add tax to a price to get the total, or reverse a tax-inclusive total to find the pre-tax price and tax amount.

Finance Calculators

Take Home Pay Calculator

Estimate your net pay from gross income. Enter an effective tax rate and other deductions to see take home pay, tax and deductions, yearly or monthly.

Finance Calculators

VAT Calculator

Add or remove VAT from any price. Enter an amount and a rate to see the net, VAT and gross totals. Works for 5%, 15%, 20% and custom rates.