About Calcu Money

Instant answers to everyday money questions — no sign-up, no tracking.

What Is Calcu Money?

Calcu Money is a free collection of financial calculators built for real, everyday situations. Whether you're splitting a restaurant bill, figuring out how much you save on a sale, checking what your annual salary works out to per hour, or planning your monthly budget — we've built a fast, clean tool for each of those tasks.

Every calculator on this site runs entirely in your browser. No data you enter is ever sent anywhere. There's no account to create, no email required, and no paywall. The tools are completely free to use as often as you like.

Our Calculators

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Percentage Calculator

What is X% of Y? X is what percent of Y? Percentage change between two numbers.

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Tip Calculator

Calculate tip amount for any bill, choose your tip percentage, and split the total among your group.

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Discount Calculator

Find the sale price after any percentage discount, or reverse-calculate the original price from a sale price.

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Sales Tax Calculator

Add tax to a pre-tax price, or remove tax from a tax-included total. Works with any tax rate.

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Salary Calculator

Convert any pay rate to annual, monthly, bi-weekly, weekly, daily, and hourly equivalents.

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Profit Margin Calculator

Calculate gross profit margin and markup from cost and revenue, or find the right selling price for a target margin.

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Budget Calculator

Apply the 50/30/20 budgeting rule — or customize the split — to plan your monthly spending and savings.

Our Principles

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    Free forever. Every calculator is free with no hidden charges, subscriptions, or premium tiers.
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    No data collection. Your inputs never leave your browser. We don't store, log, or transmit any numbers you enter.
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    No account required. Open a calculator and start using it — that's all.
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    Fast and accurate. Our tools use standard financial formulas and are tested against known inputs.

How We Keep the Lights On

Calcu Money is supported by Google AdSense advertisements. These are the display ads you see on our pages. Ad revenue allows us to keep the site free and continue improving the tools. We appreciate your support in not blocking ads — it directly enables us to offer these calculators at no cost.

Disclaimer

All calculators on Calcu Money are provided for informational and educational purposes only. Results are based on the inputs you provide and standard mathematical formulas. They do not constitute financial, tax, legal, or professional advice. For important financial decisions, please consult a qualified professional.

Contact

Have a question, found a bug, or want to suggest a new calculator? Email us at hello@calcu.money. We read every message.