🏠 Everyday life calculators

Time, dates, cooking, shopping and travel. 20 calculators.

• Add Days to a Date CalculatorAdd or subtract days from a date to find the resulting date and day of the week.
• Age CalculatorCalculate exact age in years, months and days from a date of birth — or age on any date.
• Commute Time Calculator (Hours per Year)See how many hours and days per year you spend commuting — and what that time is worth.
• Cost Per Use CalculatorWork out the true cost per use of a purchase — clothing, gadgets, gym memberships and more.
• Daily Habit Cost CalculatorSee how much a daily habit — coffee, snacks, cigarettes, subscriptions — costs per month, year and decade.
• Days Between Dates CalculatorCount the days, weeks, months and working days between two dates.
• Days Until Calculator (Countdown)Count down the days, weeks and working days until any date — a birthday, holiday, exam or event.
• Electricity Cost Calculator (Appliance Running Cost)Calculate how much an appliance costs to run per day, month and year from its wattage, hours of use and electricity rate.
• Final Exam Grade CalculatorFind the score you need on your final exam to reach a target course grade.
• Fuel Cost Calculator (Trip Cost)Calculate the fuel needed and the cost of a trip from distance, fuel consumption and fuel price — and split it between passengers.
• Fuel Economy Converter (L/100 km ↔ mpg)Convert fuel consumption between L/100 km, km/L, US mpg and UK mpg.
• Hours Worked Calculator (Time Card)Calculate hours worked from start and end time minus breaks — plus your pay for the shift.
• Reading Time CalculatorEstimate how long it takes to read (or speak) a text from its word count and reading speed.
• Rent Split Calculator (By Room Size)Split rent fairly between roommates based on bedroom size, with shared space divided equally.
• Sleep Calculator (Bedtime & Wake-Up Time)Find the best time to wake up or go to bed based on 90-minute sleep cycles.
• Time Duration CalculatorFind the time between two clock times in hours and minutes — works across midnight.
• Tip Calculator (Split the Bill)Calculate the tip, total bill and amount per person when splitting a restaurant bill.
• TV Size & Viewing Distance CalculatorFind a screen's width and height from its diagonal and aspect ratio — plus the recommended viewing distance.
• Typing Speed Calculator (WPM)Calculate typing speed in words per minute (WPM) and characters per minute from your test results.
• Unit Price Comparison CalculatorCompare two products by price per unit (per kg, litre or item) to find the better deal.