Utility & Lifestyle Calculators

Convert units, calculate fuel costs, electricity bills, data usage, tips and budgets.

Convert between common units of length, weight, and temperature in one convenient tool.

Calculate the fuel needed and total cost for a trip based on distance, fuel efficiency, and gas price.

Calculate the electricity cost of running any device based on wattage, usage hours, and your rate.

Estimate annual and 10-year savings from a solar panel system based on size, sun hours, and electricity rate.

Calculate the battery capacity (in amp-hours) needed to power a load for a given time at a specific voltage.

Calculate how long it takes to download a file at a given internet speed.

Calculate your monthly data usage based on daily consumption and the number of days in your billing cycle.

Calculate the tip amount and total bill based on your bill, tip percentage, and number of people.

Break down your monthly income using the 50/30/20 budgeting rule for needs, wants, and savings.

Split a bill among friends with tip included. Enter the bill, tip percentage, and group size to see what each person owes.