Everyday Calculators

Practical tools for daily life — exact ages and date math, timesheet hours, home-improvement estimates for concrete, paint, and mulch, trip fuel costs, and fast unit conversions.

Dates & Time

• AgeYears, months & days
• DateDays between dates
• TimeAdd or subtract hours
• HoursTimesheet totals

Home & Garden

• Square FootageRoom & area size
• ConcreteCubic yards & bags
• PaintGallons for walls
• MulchCubic yards & bags

Driving

• Fuel CostTrip cost estimate
• Gas Mileage (MPG)Fuel economy

Unit Converters

• LengthFeet, meters, miles
• WeightPounds, kilograms, grams
• TemperatureFahrenheit, Celsius, Kelvin