Other calculators
74 free tools. Dates and time, conversions, tech, home projects and fun tools.
Date & time
Age CalculatorCalculate your exact age in years, months, weeks, days, hours, and minutes.Cat Age CalculatorCalculate your cat's age in human years.Chinese Zodiac CalculatorFind your Chinese zodiac animal based on your birth year.Countdown CalculatorCalculate time remaining until a future date or event.Data Usage CalculatorCalculate monthly data consumption for streaming, browsing, and downloads.Date CalculatorCalculate the difference between dates, add or subtract days, and find dates.Dog Age CalculatorCalculate your dog's age in human years.Download Time CalculatorCalculate how long it takes to download files based on internet speed and file size.Gas Mileage CalculatorCalculate MPG, fuel efficiency, cost per mile, and track your vehicle's fuel consumption with detailed analysis.Hours CalculatorCalculate time duration between hours, add or subtract time, and convert between hours, minutes, and seconds with detailed breakdown.Military Time ConverterConvert between 12-hour and 24-hour time formats instantly.Time CalculatorCalculate time differences, add or subtract time, and convert between time formats.Time Zone ConverterConvert time between different time zones worldwide.Travel Time CalculatorCalculate trip duration based on distance and speed.Voltage Divider CalculatorCalculate output voltage and resistor values for voltage dividers.Work Hours CalculatorCalculate total work hours, overtime, and weekly hours.Zodiac Sign CalculatorFind your zodiac sign based on your birth date.
Conversions
Area ConverterConvert between square meters, square feet, acres, hectares, and more.Cooking Measurements ConverterCooking Measurements Converter at Calculator Hub.Energy ConverterConvert between Joules, Calories, kWh, BTU, and more.File Size ConverterConvert between bytes, KB, MB, GB, TB, and other file size units.Length ConverterConvert between meters, feet, inches, kilometers, miles, and more.Power ConverterConvert between Watts, Kilowatts, Horsepower, BTU/hr, and more.Pressure ConverterConvert between PSI, Bar, Pascal, Atmosphere, and more.Speed ConverterConvert between km/h, mph, m/s, knots, and more.Temperature ConverterConvert between Celsius, Fahrenheit, and Kelvin instantly.Unit ConverterConvert between length, weight, temperature, volume, area, speed, time, and more.Volume ConverterConvert between liters, gallons, milliliters, cubic meters, fluid ounces, cups and more.Weight ConverterConvert between kilograms, pounds, ounces, grams, and more.
Home & construction
Brick CalculatorCalculate bricks needed for your wall.Carpet CalculatorCalculate carpet needed for your room.Concrete CalculatorCalculate how much concrete you need for slabs, footings, columns, and more.Deck CalculatorCalculate decking materials needed.Fence CalculatorCalculate fencing materials needed.Flooring CalculatorCalculate flooring materials needed for hardwood, laminate, vinyl, and more.Gravel CalculatorCalculate gravel needed for your project.Insulation CalculatorCalculate insulation needed for your space.Mulch CalculatorCalculate mulch needed for landscaping.Paint CalculatorCalculate how much paint you need for your project.Roofing CalculatorCalculate roofing materials needed.Tile CalculatorCalculate how many tiles you need for your flooring project.
Tech & electronics
Bandwidth CalculatorCalculate internet bandwidth requirements for streaming, downloads, and uploads.Battery Life CalculatorCalculate how long a battery will last based on capacity and current draw.Capacitor CalculatorCalculate capacitance, charge, voltage, and energy.Coin FlipFlip a virtual coin online with our Coin Flip tool.Electricity Cost CalculatorCalculate energy costs for appliances and devices.Inductor CalculatorCalculate inductance, energy, and reactance.IPV4 Subnet CalculatorCalculate subnet masks, network addresses, broadcast addresses, and host ranges for IPv4 networks.LED Resistor CalculatorCalculate the correct resistor value for your LED circuit.Ohms Law CalculatorCalculate voltage, current, resistance, and power using Ohm's Law formulas.Password GeneratorCreate strong, secure, random passwords with custom length and character options for maximum security.Qr Code GeneratorCreate custom QR codes for URLs, text, contact info, and more.Resistor Color Code CalculatorDecode resistor color bands to find resistance value and tolerance.Tip CalculatorCalculate tips and split bills easily.Trip Cost CalculatorCalculate total travel costs including fuel, tolls, food, and accommodation.
Fun & everyday
Bill Split CalculatorEasily split bills, restaurant checks, and expenses among friends.Boat Fuel CalculatorCalculate marine fuel consumption and costs for your boat trips.Dew Point CalculatorCalculate dew point temperature from air temperature and humidity.Dice RollerRoll virtual dice with our Dice Roller.Distance Midpoint CalculatorCalculate Euclidean distance between two points and find midpoint coordinates in 2D or 3D space with visual representations.Fuel Cost CalculatorCalculate gas costs for trips, compare fuel efficiency, and estimate travel expenses based on distance and fuel prices.Fuel Economy CalculatorCalculate MPG, L/100km, and fuel efficiency.GPA CalculatorCalculate your Grade Point Average for high school or college.Grade CalculatorCalculate your final grade, required scores, and weighted grades.Heat Index CalculatorCalculate how hot it feels based on temperature and humidity.Humidity CalculatorCalculate relative humidity, absolute humidity, dew point, and moisture content.Life Expectancy CalculatorCalculate your estimated life expectancy based on age, lifestyle, and health factors.Lottery CalculatorGenerate random lottery numbers with our Lottery Calculator.Love CalculatorCalculate love compatibility between two people with our fun Love Calculator.Random Number GeneratorGenerate random numbers within any range.Shopping Price CalculatorCompare prices, calculate discounts, and find the best deals.Video Streaming CalculatorCalculate data usage and bandwidth requirements for streaming video content.Wind Chill CalculatorCalculate how cold it feels based on temperature and wind speed.Wire Gauge CalculatorCalculate wire gauge based on current and length.