Disclaimer: These calculators are for informational purposes only and may contain errors. Do not rely on them for financial decisions — always consult a qualified professional. Report issues.
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Welcome to FinTools

Select a calculator from the sidebar to get started.

Tap the menu button (☰) or a category below to get started.

💱

Currency

Currency conversion, crypto rates, historical data.

🏠

Mortgage

Mortgage, affordability, rent vs buy analysis.

💷

UK Tax

Income tax, dividends, capital gains, IR35.

💵

US Tax

Federal, state, self-employment, capital gains.

📈

Investment

Compound interest, FIRE, ROI calculations.

💼

Salary

Take-home pay, hourly conversions, adjustments.

🏦

Loans

Loan payoff, debt strategies, APR.

📊

Inflation

Personal inflation, purchasing power analysis.

🏖️

Retirement

Retirement planning, pensions, 401k.

📋

Business

Break-even, profit margins, cash flow.

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Currency Converter

Recommended

Browse Personal Finance Money Books →
Browse personal finance money books on Amazon
Amazon amazon.com
Take control of your finances
Fastmail — Private Email
Secure, ad-free email that respects your privacy
fastmail.com
Dynadot — Domain Registration →
Register or transfer domains with free SSL and affordable pricing
dynadot.com
Zen Internet — UK Broadband →
Award-winning UK broadband with no data caps and great customer service
zen.co.uk
We may earn a commission if you purchase through these links.

Crypto Converter

Recommended

Bitcoin Cryptocurrency Books
Browse bitcoin cryptocurrency books on Amazon
Amazon amazon.com
Take control of your finances
Fastmail — Private Email
Secure, ad-free email that respects your privacy
fastmail.com
Dynadot — Domain Registration →
Register or transfer domains with free SSL and affordable pricing
dynadot.com
Zen Internet — UK Broadband →
Award-winning UK broadband with no data caps and great customer service
zen.co.uk
We may earn a commission if you purchase through these links.