Category
Everyday Calculators
Calculators
6 toolsPercentage
Find increases, decreases, and percentage differences instantly.
Age Calculator
Calculate precise age in years, months, days, and even minutes.
Discount
Quickly determine the final price after sales and special offers.
Tip Calculator
Split bills easily and calculate gratuity for any service.
BMI Calculator
Calculate your Body Mass Index with NHS weight category ranges.
Calorie Calculator
Calculate your daily calorie needs using the Mifflin-St Jeor formula.
Date & Time
5 toolsDays From Today
Find the exact date that is any number of days from today.
Days Between Dates
Calculate calendar days, working days, and weeks between two dates.
Months Between Dates
Calculate months between two dates — useful for contracts and tenancies.
Working Days
Count business days between dates excluding weekends and bank holidays.
Hours Calculator
Calculate hours between times, add/subtract hours, convert to days.
Construction & Garden
5 toolsSquare Footage
Calculate room area in sq ft, sq m, and sq yd. Add multiple rooms.
Gravel Calculator
Calculate tonnes and bags of gravel needed for paths and driveways.
Cubic Yards
Calculate cubic yards for gravel, concrete, topsoil, and mulch.
Mulch Calculator
Calculate bags of mulch for flower beds, trees, and play areas.
Concrete Calculator
Calculate concrete for slabs and columns. Get bag counts and ready-mix volume.