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Free Finance Tools
Profit, margins, interest, tax, and investment calculators
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Salary Calculator
Convert between annual, monthly, weekly, and hourly salary. Instant breakdown.
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Compound Interest Calculator
See how your investment grows over time with compound interest. Year-by-year breakdown.
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Profit Margin Calculator
Calculate gross, net, and operating profit margin. Includes markup vs margin explanation.
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Break-Even Calculator
Find the exact units or revenue needed to cover your costs. With break-even chart.
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VAT Calculator
Add or remove VAT from any price. Supports custom rates and all major country rates.
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Rent vs Buy Calculator
Compare 10-year wealth, break-even point, and monthly costs for renting vs buying. Supports UK, US, Canada, Australia and more.
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Investment Growth & Inflation Calculator
See how your investments grow in real terms after inflation. Nominal vs real value, purchasing power chart, year-by-year breakdown.
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Debt Avalanche vs Snowball Calculator
Enter all your debts and compare avalanche vs snowball payoff strategies. See interest saved, payoff timeline, and debt-free date.
Free Finance Calculators & Tools
All tools on this page are completely free to use, require no account or signup, and run entirely in your browser. Your data is never sent to a server. Results are instant.
These tools are built for professionals who need quick, accurate answers — not long explanations. Every calculator shows its formula so you can verify the logic.