Everyday Calculators
Age, percentage and discount calculators with steps shown.
Age Calculator
Exact age in years, months and days on any date, plus next birthday.Percentage Calculator
X% of Y, percentage change and marks percentage, with steps.Discount Calculator
Final price, savings and the real value of double discounts.
Everyday calculators with the steps shown
Some questions come up again and again: How old will I be on the exam cut-off date? What is my percentage? How much do I really save in this sale? These calculators answer them instantly and show the working, so you can check the result or learn the method.
- Age calculator — exact age in years, months and days on any date, with an age-limit check for exam and job forms.
- Percentage calculator — percentages of numbers, percentage change and marks percentage.
- Discount calculator — sale prices, savings and the real value of “extra” discounts.
For health questions such as BMI and calories, see the health calculators; for school maths, the math calculators.
All the calculators work on any phone, need no sign-up, and keep what you type on your own device.
Each calculator page also explains the formula it uses with a worked example, so students can follow the method step by step.