Quick Everyday Calculators: Percentages, UAE VAT, Age and Days Between Dates
Some maths comes up every day: what is 15% off, how much VAT is in a price, how old someone is, how many days until a date. This page puts those quick calculations in one place, with 5% UAE VAT set by default.
Open the free Percentage, VAT & Age Calculators →What is the Percentage, VAT & Age Calculators?
Quick everyday maths: percentages, VAT (5% UAE by default), age and days between dates. It's completely free, needs no sign-up and works on any phone or computer.

Why it's helpful
- Percentage, increase and decrease calculations in seconds
- Adds or removes 5% UAE VAT from any amount
- Age and days-between-dates without counting on a calendar
Who it's for
Shoppers, small business owners, students and everyone.
How to use it
- Type numbers — results update instantly.
- VAT shows both “add VAT” and “remove VAT from a gross price”.
💻 Open source: this tool is free and open source (MIT License). View the code on GitHub, download it and run it offline.
The bigger picture: Calculators
Everyday decisions in the UAE, from loans and rent to gratuity, fuel and bills, come down to a few numbers. Quick, reliable calculators help you check offers, plan ahead and avoid costly surprises, without spreadsheets or sign-ups.
What's changing: Living costs in the UAE change month to month, from petrol prices to rents, which is why calculators that load current figures automatically are becoming more useful than static ones.
Frequently asked questions
What is the UAE VAT rate?
5% standard rate. Change the rate for other countries.



