Simplify your daily tasks with our free, easy-to-use calculators for time management, shopping, utilities, and more.
Calculate the cost of running your appliances and electrical devices.
Estimate water consumption and costs for household activities.
Calculate how much paint you need for your next project.
Calculate room area, perimeter and volume for projects and planning.
Calculate the exact time between two dates in days, weeks, months and years.
Add or subtract hours, minutes and seconds from a given time.
Calculate exact age in years, months, weeks, days, hours, and minutes.
Convert times between different time zones around the world.
Calculate fuel costs for your trips based on distance and fuel efficiency.
Find the distance between two locations or coordinates.
Calculate estimated travel time based on distance and speed.
Track and calculate mileage for business, tax, or personal purposes.
Calculate sale prices, savings, and percentage discounts.
Calculate appropriate tip amounts and split bills among friends.
Compare prices of different package sizes to find the best value.
Easily split bills and expenses among multiple people.
Generate random numbers within a specified range.
Create strong, secure passwords with customizable options.
Count characters, words, sentences and paragraphs in your text.
Calculate percentages, increases, decreases, and differences.
Our Electricity Cost Calculator provides accurate estimates based on the wattage of your appliances and your local electricity rates. However, actual costs may vary slightly due to factors like power surges, appliance efficiency variations, and utility company pricing structures.
Our Distance Calculator uses the Haversine formula to calculate the "as the crow flies" direct distance between two coordinates. For road distances, we use mapping APIs to calculate the actual driving distance along available routes.
The Paint Calculator provides reliable estimates based on standard coverage rates for different paint types. We recommend adding 10-15% extra for spillage, touch-ups, and variations in surface absorption. For specific professional projects, consult with a painting contractor.
Our Time Zone Converter accounts for standard time zones, daylight saving time adjustments, and international date line considerations. We update our database regularly to reflect changes in time zone policies around the world.
Our Password Generator uses cryptographically secure random number generation to create unpredictable passwords. We don't store or transmit your generated passwords, and all generation happens locally in your browser for maximum security.
Currently, calculation results are not automatically saved on our website. However, you can bookmark the results page, take a screenshot, or use the print function in your browser to save your calculations for future reference.
The Fuel Cost Calculator provides estimates based on the fuel efficiency you input. For most accurate results, use your vehicle's actual average MPG or L/100km from recent driving, rather than manufacturer ratings, as real-world fuel economy often differs from official figures.
Our Tip Calculator is customizable to account for different tipping customs worldwide. The default suggestions reflect common practices in the United States (15-20%), but you can adjust the percentage to match local customs in your country or region.
Our Date Difference Calculator can handle dates from January 1, 1900, to December 31, 2100. For historical dates before 1900, the calculator may not account for calendar system changes (like the switch from Julian to Gregorian calendar) in different regions.
Yes, the Character Counter is ideal for social media posts. It displays the current character count in real-time, helping you stay within character limits for platforms like Twitter (280 characters), Instagram captions (2,200 characters), and LinkedIn posts (3,000 characters).