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ToolboxKit

Finance Tools

8 tools available

Loan calculators, tax estimators, investment returns, and budgeting tools.

Fuel Cost Calculator

Calculate fuel costs for any trip based on distance, fuel efficiency, and gas price. Supports miles/km, multi-trip comparison, and round trips.

Investment Return Calculator

Calculate investment growth with monthly contributions, compound interest, and inflation adjustment. See year-by-year returns and total ROI.

Loan Calculator

Calculate monthly loan payments, total interest, and view a full amortization schedule. Supports different loan terms and compounding options.

Mortgage Affordability Calculator

Find out how much house you can afford based on your income, debts, and down payment. Uses the 28/36 DTI rule for accurate results.

Net Worth Calculator

Calculate your net worth by tracking assets and liabilities. Add custom items, see totals, and get a visual breakdown of your finances.

Savings Goal Calculator

Find out how long it takes to reach your savings goal or how much to save monthly. Includes progress tracking and milestone markers.

UK Income Tax Calculator

Estimate your UK income tax, National Insurance contributions, and take-home pay using 2024/25 PAYE tax bands and NI rates.

US Income Tax Calculator

Estimate your federal income tax, effective tax rate, and take-home pay based on your filing status and gross income using 2024 tax brackets.