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75 tools Compound Interest CalculatorSee how savings grow with monthly deposits and compounding. CD CalculatorFind what a certificate of deposit is worth at maturity. Final Grade CalculatorFind the score you need on your final exam. Weighted Grade CalculatorAverage grades that count for different weights. LCM CalculatorLeast common multiple of two or more numbers, with steps. GCF CalculatorGreatest common factor of two or more numbers, with steps. Average CalculatorMean, median, mode and range of any list of numbers. Square Footage CalculatorMeasure rooms and shapes in square feet, with cost. Random Name GeneratorGenerate realistic first and last names in one click. Small Text GeneratorTurn text into tiny small caps, superscript and subscript. Volume CalculatorVolume of a box, cylinder, sphere, cone and more, in gallons and liters. Pythagorean Theorem CalculatorFind the missing side of a right triangle, with steps. Square Root CalculatorSquare roots, cube roots and simplified radical form. High School GPA CalculatorWeighted and unweighted GPA with honors and AP classes. Cubic Yard CalculatorCubic yards of soil, mulch, gravel or concrete for any area. Gravel CalculatorHow many tons and cubic yards of gravel you need. Mulch CalculatorBags or cubic yards of mulch for your garden beds. Random Letter GeneratorPick random letters, vowels or consonants for games and lessons. Spacebar CounterHow fast can you press the spacebar? Timed speed test. Sentence CounterCount sentences, words, characters and paragraphs. Percentage CalculatorWhat is X% of Y, X is what % of Y, and adding a percent. Percent Change CalculatorPercentage increase or decrease between two numbers. Percent Error CalculatorCompare a measured value with the accepted value. Fraction CalculatorAdd, subtract, multiply and divide fractions and mixed numbers. Ratio CalculatorSimplify ratios and solve proportions like 3:4 = 12:x. Standard Deviation CalculatorSample and population standard deviation with steps. Scientific Notation CalculatorConvert numbers to scientific, E and engineering notation. Rounding CalculatorRound to decimal places, tens, hundreds or significant figures. Long Division CalculatorDivide with remainders and see every step. Slope CalculatorSlope, line equation, distance and midpoint from two points. Area CalculatorArea of rectangles, triangles, circles, trapezoids and more. Quadratic Formula CalculatorSolve ax² + bx + c = 0, including complex roots. Simple Interest CalculatorInterest and total with I = P × r × t. Loan CalculatorMonthly payment, total interest and payoff schedule. Car Loan CalculatorAuto loan payment with down payment, trade-in and tax. Mortgage CalculatorHouse payment with taxes, insurance, PMI and HOA. Savings CalculatorGrow your savings or plan a monthly savings goal. Tip CalculatorWork out the tip and split the bill. Discount CalculatorSale price, savings and stacked discounts. Sales Tax CalculatorAdd sales tax to a price or remove it from a total. Salary to Hourly CalculatorConvert yearly salary to hourly pay and back. Overtime CalculatorPay with time and a half and double time. Profit Margin CalculatorMargin, markup and the price for a target margin. ROI CalculatorReturn on investment and annualized return. Age CalculatorExact age in years, months and days, plus next birthday. Date CalculatorDays between dates, business days, add or subtract days. Time Duration CalculatorHours and minutes between two times, even overnight. Time Card CalculatorWeekly hours with breaks, overtime and pay. Sleep CalculatorBest bedtime or wake-up time using sleep cycles. GPA CalculatorSemester and cumulative college GPA. Grade CalculatorPoints to percentage and letter grade. BMI CalculatorBody mass index and healthy weight range for adults. TDEE CalculatorCalories you burn per day with your activity level. BMR CalculatorCalories your body burns at complete rest. Macro CalculatorGrams of protein, carbs and fat from your calories. One Rep Max CalculatorEstimate your 1RM and training percentages. Running Pace CalculatorPace per mile and km, speed and race times. Word CounterCount words, characters, sentences and reading time. Character CounterCharacters with and without spaces, plus social media limits. Case ConverterUPPER, lower, Title, sentence, camelCase, snake_case and more. Lorem Ipsum GeneratorPlaceholder paragraphs, sentences or words for designs. Morse Code TranslatorText to Morse and Morse to English, with sound. Roman Numeral ConverterNumbers to Roman numerals and back, with steps. Random Number GeneratorRandom numbers in any range, with or without repeats. Password GeneratorStrong random passwords made on your device. Spin the WheelAdd names or options and spin to pick one at random. Random Team GeneratorSplit a list of names into fair random teams. Online TimerCountdown timer with alarm, presets and full screen. Online StopwatchStopwatch with laps and keyboard shortcuts. Unit ConverterLength, weight, volume, temperature, area, speed and data. Concrete CalculatorCubic yards and bags for slabs and post holes. Board Foot CalculatorBoard feet and cost for a list of lumber. Keyboard TesterPress every key to find dead or stuck keys. Reaction Time TestClick when it turns green and measure your reflexes. Typing Speed TestCheck your words per minute and accuracy.
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