Everyday Life Calculators

Easily find the age difference between two people with the Age Difference Calculator. Enter birth dates and get detailed, useful results for couples, friends, and families.

Calculate how many balloons you need for the perfect balloon arch with our balloon arch calculator. Determine measurements, arch type and estimated cost.

Calculate the ideal mirror size for your bathroom with our calculator. Custom dimensions based on sink, ceiling and desired style for perfect design.

Convert between amp-hours and watt-hours with our battery capacity calculator. Calculate C-rate, discharge current and runtime for smartphones, laptops and cars.

Calculate battery charging time with our accurate calculator. Determine how long it takes to charge Li-ion, NiMH, lead-acid and other battery types efficiently.

Calculate battery life with our battery life calculator. Find out how many hours, days or months your battery will last based on capacity and consumption.

Calculate the exact amount of bean bag filling needed. Determine material weight and number of packages required simply and quickly.

Find the ideal bed size for your room with our bed size calculator. Calculate perfect dimensions based on number of people and available space.

Calculate the ideal amount of beer for events with our beer calculator. Estimate liters needed based on number of people, duration and consumption level.

Find the ideal belt size with our belt size calculator. Convert waist measurements to belt sizes in different international systems.

Calculate ideal blind dimensions for internal or external installation. Determine exact width and height considering window measurements and mounting type.

Quickly calculate the CTR of your digital campaigns by entering impressions and clicks. Essential for optimizing ads and marketing performance.

Calculate the ideal curtain size for your window. Discover the exact length and width dimensions of the curtain you need to buy.

Calculate the ideal desk height based on your height and work activity type. Find perfect ergonomic measurements for office and home office setups.

Calculate the ideal rug size for your dining table. Determine perfect dimensions considering table, chairs and space for movement.

Find the perfect glove size by measuring your hand circumference. Free calculator with men's and women's size charts in inches and centimeters for accurate fitting.

Free online grocery calculator. Organize products by category, automatically calculate subtotals and control your supermarket expenses in a practical and efficient way.

Calculate if your amplifier is compatible with your headphones. See max volume, headroom, and power compatibility.

Calculate fair pricing for residential cleaning services. Accurate calculator based on rooms, tasks and frequency for cleaning professionals.

Easily find out how many tables you need for your guests with the how many tables calculator. Perfect for events, parties, and restaurants.

Calculate your age in the Korean system and compare with international age. Discover the cultural difference between South Korean and Western age systems.

Find your lunar age based on the Chinese calendar. The lunar age calculator shows how age is counted in Chinese tradition, useful for astrology and cultural curiosity.

Convert cooking times between different microwave wattages easily. Calculate precise times for 600W, 800W, 1000W and other microwave powers.

Convert paper thickness between different units (millimeters, microns, points, inches). Essential tool for print shops, publishers and paper professionals.

Calculate the ideal amount of drinks for your party. Determine water, soft drinks, juices and alcoholic beverages based on number of guests and event duration.

Calculate the exact amount of salt needed for your pool. Determine how many kilograms of salt to add based on pool volume and desired salt concentration.

Calculate your pool volume in liters, gallons and cubic meters. Support for rectangular, circular and oval pools with different measurement units.

Calculate rolled material length with our roll length calculator. Based on outer diameter, inner diameter, and material thickness.

Calculate the ideal rug size for your home with our calculator. Determine perfect dimensions for living room, bedroom and other spaces easily.

Calculate the ideal amount of soda for parties and events with our soda calculator. Determine liters, bottles and costs based on number of people and duration.

Calculate the ideal sofa size for your living room. Determine perfect dimensions considering available space, number of people, and desired furniture type.

Calculate the ideal standing desk height based on your height and activity. Find perfect ergonomic measurements for healthy standing work.

Calculate the ideal tablecloth size for rectangular, square, round and oval tables. Determine perfect dimensions based on table shape and desired drop length.

Calculate the ideal tie length based on your height and knot type. Find the perfect tie size for any formal occasion with our tie length calculator.

Calculate the tip amount and total bill easily with the Tip Calculator. Enter the service cost and instantly see tips for 10%, 15%, 18%, 20% or a custom percentage. Perfect for restaurants and travel.

Calculate tire dimensions, compare different sizes, analyze compatibility and speedometer differences. Complete tool for choosing adequate tires.

Calculate how many toilet paper rolls and packages you need based on number of people, usage frequency and time period.

Calculate how many toothpaste tubes you need based on number of people, brushing frequency and time period. Plan your purchases and save money.

Calculate traffic density, flow and level of service with our traffic density calculator. Analyze congestion and optimize urban routes effectively.

Find the perfect weight for your therapeutic weighted blanket with our weighted blanket calculator. Calculate recommended weight based on body weight for better sleep and relaxation.