Everyday

Tips, fuel costs and other handy household and travel calculations.

Everyday Mathematics Finance Business tools Conversions Health Physics Engineering & construction

Find your exact age in years, months and days, and how long until your next birthday.

Find the number of days, weeks and months between two dates, with an optional business-days count.

Estimate the energy and cost of running an appliance from its wattage, daily usage and your own electricity rate.

Fuel needed and trip cost from distance, consumption and fuel price.

Tip, total and each person's share of a bill.

Compare up to three products by price per unit to find the cheapest option.