SHOPPING
Tips, tax and discounts
Calculate discounts, add tax, split bills, and keep a running total without jumping between apps.
Try the discount calculator →Type mathlike notes
Numy is the smart calculator designed for real life. Unit conversions, percentage calculations, tip splitting, and powerful math tools — all in a beautifully simple interface.
★ 4.9 RatingHundreds of unitsCustomizable themes
Try Numy in your browser
Type everyday math the way you would write it. The preview calculates locally in your browser.
Quick calculationNumy web previewLoading rates…
Result
Calculated locally in your browser.
More than a calculator
Keep the calculation and the thinking behind it together on one clear page.
TRAVEL
Currency and units
Convert distance, weight, temperature, recipe measurements, currency, and more in the same document.
Try the unit converter →REUSE
Examples and history
Start from practical examples, search past calculations, and reuse work you have already done.
Browse calculation guides →Everyday calculations, kept readable
Use one line for each step. Edit any value later and keep the result beside the expression that produced it.
# Shopping, Tip & Taxupdated now
20% off $89.99$71.99
$67.50 + 18% tip$79.65
100 km in miles62.14 mi
TOTAL$151.64
Frequently asked questions
What makes Numy different from the built-in calculator?
Numy combines a smart calculator, unit converter, tip calculator, and math tools in one app. It understands natural expressions, keeps calculation history, and has a beautiful customizable interface.
What units can Numy convert?
Numy supports conversions across length, weight, temperature, volume, area, speed, time, data storage, currency, and many more categories. Hundreds of units are supported.
Is Numy free?
Numy is free to download and use. All core calculator and conversion features are included. Premium features like custom themes and advanced math tools are available via optional subscription.
Does it work offline?
Yes! All calculator functions, unit conversions, and math tools work completely offline. Only live currency rates require an internet connection.
Does Numy support scientific calculations?
Yes. Numy includes trigonometric functions, logarithms, exponents, roots, factorials, and constants like pi and e. It handles both basic and advanced mathematical operations.
Your new favorite calculator
Download Numy and make everyday math effortless.
