Age Calculator
Your exact age in years, months, weeks and days.
OpenDate Calculator
Days between dates, or add/subtract days from a date.
OpenTime Calculator
Add or subtract hours and minutes.
OpenHours Calculator
Work hours between two times, minus breaks.
OpenGrade Calculator
Weighted grade from your scores and weightings.
OpenConcrete Calculator
Concrete volume and cement bags for a slab.
OpenSubnet Calculator
IPv4 subnet, mask, host range and broadcast.
OpenPassword Generator
Create strong random passwords instantly.
OpenWord & Character Counter
Count words, characters, sentences and reading time.
OpenFuel Cost Calculator
Trip fuel cost from distance, mileage and petrol price.
OpenRoman Numeral Converter
Convert numbers to Roman numerals and back.
OpenNumber to Words (PKR)
Write any amount in words for cheques and invoices — Pakistani format.
OpenEveryday Calculators — free and easy to use
Age, dates, time, grades, construction and handy utilities. Every tool here runs instantly in your browser, needs no sign-up, and works on any phone or computer. Pick a tool above to get started, enter your values, and read a clear result with a full breakdown.
All results are estimates to help you plan — for money, tax and official matters, confirm the figures with the relevant authority.