Productivity & Daily tools
Answer: Daily helpers: BMI, grades, sleep, and simple random utilities.
BMI, GPA, calories, random pickers. Browse live tools below — more are shipping in phases.
Live tools (39)
Least common multiple with step-by-step work shown.
Open tool →TDEE CalculatorTotal Daily Energy Expenditure + cut/maintain/bulk targets.
Open tool →Final Grade CalculatorWhat score do you need on your final? Plus full grade mode.
Open tool →GCF CalculatorGreatest common factor with step-by-step Euclidean work.
Open tool →Body Fat CalculatorBody fat % via the U.S. Navy tape-measure method.
Open tool →Volume CalculatorVolumes for sphere, cone, cylinder, cube & more + formulas.
Open tool →Love CalculatorPlayful compatibility score for two names. Just for fun!
Open tool →Heart Rate Zone Calculator5 training zones with the Karvonen formula.
Open tool →Mean Median Mode CalculatorMean, median, mode, range & count — with sorted list.
Open tool →BMI CalculatorBody Mass Index for US (lb/in) and metric — with category.
Open tool →Average CalculatorMean of a list of numbers.
Open tool →Coin FlipFlip a virtual coin — heads or tails.
Open tool →Dice RollerRoll a virtual six-sided die.
Open tool →GPA CalculatorCalculate grade point average.
Open tool →Calorie CalculatorEstimate daily calorie needs.
Open tool →BMR CalculatorBasal metabolic rate estimate.
Open tool →Water Intake CalculatorDaily water intake estimate.
Open tool →Sleep CalculatorSuggested bed times for sleep cycles.
Open tool →Number to Words ConverterConvert numbers to English words.
Open tool →Roman Numeral ConverterArabic ↔ Roman numerals.
Open tool →Fraction CalculatorAdd, subtract, multiply fractions.
Open tool →Triangle CalculatorSides and angles of a triangle.
Open tool →Ideal Weight CalculatorRough healthy weight ranges.
Open tool →Running Pace CalculatorPace from distance and time.
Open tool →One Rep Max CalculatorEstimate 1RM from lifts.
Open tool →Macro CalculatorProtein/carbs/fat targets.
Open tool →BAC EstimateRough BAC estimate (informational).
Open tool →Due Date CalculatorEstimate pregnancy due date.
Open tool →Ovulation CalculatorEstimate fertile window.
Open tool →Yes/No GeneratorRandom yes or no.
Open tool →Team Name GeneratorFun random team names.
Open tool →Random PickerPick a random item from a list.
Open tool →Scientific CalculatorTrig, logs, and powers.
Open tool →Pomodoro Timer25/5 focus timer.
Open tool →Countdown TimerSimple minute countdown.
Open tool →StopwatchBrowser stopwatch.
Open tool →Decision WheelSpin to choose an option.
Open tool →Habit Streak CounterTrack a simple streak locally.
Open tool →Subtitle Offset AdjusterShift SRT timings.
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