Everyday Calculators

Tips, discounts, and unit conversions — the small calculations that come up day to day.

Unit Converter

Convert length, weight, temperature, volume, area, and speed between metric and imperial units instantly.

Calculate the tip and total on any bill and split the check evenly between any number of people.

Find the real sale price and your savings, including stacked second discounts.

Find the time between a start and end time, minus breaks, in hours, minutes, and decimal hours.

Convert your dog's age to human years with a size-based chart, life stage, and the scientific estimate.

Convert an annual salary to an hourly wage or back again, with weekly and monthly pay shown.

Convert your step count to miles and kilometers from your height and pace, with stride length.

Find the fuel cost of a trip from distance, MPG, and gas price, with cost per mile and per person.

Solve for speed, distance, or travel time from the other two, with metric units and average pace.

Find an appliance's running cost from its wattage, hours, and your rate — per day, month, and year.

Total a week of hours from daily clock-in/out times and breaks, with regular/overtime split and pay.