Everyday Calculators for Dates, Numbers & Household Tasks
Start with the everyday question you want to answer. Choose clear units and dates, check the breakdown, then copy or save the result. Practical extras include exact cent splitting, manual holiday exclusions and recipe fractions.
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Everyday CalculatorsAge & Birthday CalculatorFind completed years, total elapsed days and days until the next birthday. Choose the anniversary rule for February 29 birthdays.
Everyday CalculatorsAverage & Statistics CalculatorFind mean, median, modes, range and standard deviation from a list of numbers. Choose sample or population deviation.
Everyday CalculatorsCounter & Score KeeperKeep multiple tallies or a simple scoreboard with targets, adjustable steps, undo, optional shortcuts, device saving and CSV/JSON export.
Everyday CalculatorsDate Difference & Working DaysCount calendar days and working days between two dates. Choose working weekdays and exclude your own holiday dates.
Everyday CalculatorsDiscount CalculatorCalculate a sale price with two successive discounts, quantity and an optional entered tax rate. See savings and the effective combined discount.
Everyday CalculatorsFocus Timer, Countdown & StopwatchUse a large focus timer with short and long breaks, quick countdown presets, a stopwatch with laps and downloadable local session reports.
Everyday CalculatorsMonthly Habit TrackerTrack routines in a month grid with day marks, targets, undo and portable JSON projects. Optional explicit browser save, multiple marked months…
Everyday CalculatorsPercentage CalculatorFind a percentage of a number, a percentage share, a percentage change or an increase/decrease. See the calculation alongside the result.
Everyday CalculatorsRandom Number Generator & Dice RollerDraw inclusive-range random integers or roll custom dice with secure browser randomness, unique sampling, totals, frequencies and full…
Everyday CalculatorsRandom Team GeneratorCreate evenly sized random teams with separate leaders, optional entered skill-score balancing, participant swaps, editable team names and…
Everyday CalculatorsRecipe Serving ScalerResize ingredient quantities for more or fewer servings. Read mixed fractions and choose decimal, quarter or eighth quantities.
Everyday CalculatorsScientific CalculatorCalculate powers, roots, trigonometry, logarithms and factorials with degree/radian modes, memory, unrounded answer reuse and temporary history.
Everyday CalculatorsSplit Bill & Tip CalculatorSplit a bill, tip and extra charge between friends. Distribute leftover cents so everyone’s shares add up to the total.
Everyday CalculatorsTime Duration CalculatorCalculate hours and minutes between two times, including overnight shifts and breaks. Get decimal hours for timesheets too.
Everyday CalculatorsTrip Fuel Cost CalculatorEstimate fuel and shared trip cost in litres or US/Imperial gallons. Add a return trip and include other charges once.
Everyday CalculatorsUnit Price ComparatorCompare prices across pack sizes, multipacks and quantities. Calculate exact unit-price rankings for mass, volume or item counts and export a…
Everyday CalculatorsWeekly Schedule PlannerCreate a recurring weekly plan, edit activities and detect overlapping times. Export a printable landscape schedule or an editable JSON project.
Everyday CalculatorsWeighted Decision MatrixCompare 2–8 choices with weighted criteria and 0–10 ratings. Inspect score contributions, test priorities and export your comparison or reusable…
Anonymous search counters record result totals, never your search words.
Everyday Calculators workflow
Check the numbers
Find a percentage, share or change with the calculation shown.
Plan the dates
Count working days using your own weekdays and holidays.
Scale a recipe
Adjust ingredient quantities for the servings you need.
Open the tool’s instructions for supported formats, limits and settings. Review the output before using or sharing it.