Calculate percentages, discounts, profits, taxes, and more. Essential tools for shopping, business, and financial planning — all free.
Whether you're managing a business, shopping for the best deal, or filing your taxes, our finance calculators give you fast and accurate answers. Each tool is built with precise formulas trusted by professionals worldwide. No signup required, no fees — just instant results.
Calculate percentages, find percentage of any number, and calculate percentage change between values.
Most PopularCalculate sale prices, savings amounts, and find out how much you'll pay after any discount percentage.
ShoppingCalculate profit margin, markup percentage, and gross profit for your business pricing decisions.
BusinessAdd VAT to any amount or remove VAT from gross prices. Works with any tax rate worldwide.
TaxCount coins and bills to calculate total cash value. Perfect for register balancing and savings.
CashFinance calculators save time and prevent costly mistakes. Use a percentage calculator to figure out tips, taxes, or discounts. Use a profit margin calculator to price products correctly. Use a VAT calculator to handle international transactions accurately. Each tool here is designed for one job — and does it well.
How much will I save with a 25% discount? What's my profit margin if I sell at $50 and my cost is $30? How much VAT do I add to a £100 invoice? What's 18% of my restaurant bill? All these answers are one click away with our finance tools.
Yes. Every calculator uses standard mathematical formulas verified against industry references. Results are accurate to multiple decimal places.
No. All calculations happen in your browser. We never see, store, or transmit your numbers anywhere.
Our calculators are great for quick estimates, pricing decisions, and verification. For official accounting, always cross-check with your accountant or accounting software.
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Back to HomepageFinancial calculators are decision tools rather than crystal balls. They take assumptions you supply and show the arithmetic consequences with more precision than mental estimation allows. Their value lies in making trade-offs visible: what an extra hundred a month does over thirty years, or what a longer loan term actually costs.
The most common mistake is treating an output as a prediction. A retirement projection at seven percent is not a forecast, it is a statement of what happens if returns average seven percent. Change the assumption and the answer changes, which is precisely why running several scenarios is more useful than running one.
| Your Situation | Start With | What It Shows |
|---|---|---|
| Weighing a job offer | Salary Calculator | Pay in every period plus take-home after tax |
| Buying a car | Auto Loan Calculator | Monthly payment and total interest over the term |
| Buying a home | Mortgage Calculator | Payment, interest and the effect of term length |
| Building wealth | Investment Calculator | How contributions compound over time |
| Planning retirement | Retirement Calculator | Projected nest egg and the income it supports |
| Pricing a product | Profit Margin Calculator | Margin, markup and target pricing |
Money invested early does disproportionately more work than money invested later, because each year's returns generate their own returns. This is why a smaller contribution started in your twenties frequently outperforms a larger one started in your forties. The investment calculator makes the gap visible.
Extending a loan term reduces the monthly figure and increases what you pay overall. A car loan stretched from four years to seven feels more affordable and costs substantially more in interest. Always look at total cost alongside the monthly number.
The salary in an offer letter is before tax and deductions. Take-home is typically twenty to thirty-five percent lower depending on income, location and contributions. Budgeting from a gross figure is one of the more common reasons a comfortable-looking salary feels tight in practice.
Rather than accepting a single projection, run an optimistic, a realistic and a conservative version. If the plan works only under the optimistic assumption, that is worth knowing before you commit to it rather than afterwards.
Our calculators produce estimates from published formulas. They do not know your tax situation, your risk tolerance, your job security or your other commitments. They cannot account for market conditions, changes in law, or the circumstances of your particular household.
For decisions with real consequences, a mortgage, a pension transfer, a business loan, the sensible sequence is to use a calculator to understand the shape of the decision, then take that understanding to a qualified professional who can look at your full position.