All Calculators
Every calculator on CalculatorCrew, grouped by category.
Math & Science
Category page →- Factor CalculatorList all factors, factor pairs and the prime factorization.
- Area CalculatorArea of rectangles, circles, triangles and 5 more shapes.
- Average CalculatorMean, median, mode and range of any list of numbers.
- Perimeter CalculatorPerimeter and circumference of common shapes.
- Percentage CalculatorPercent of a number, percent change and more.
- Fraction CalculatorAdd, subtract, multiply and divide fractions with steps.
- Rounding CalculatorRound to tenths, hundredths, tens and more.
- Right Triangle CalculatorMissing sides, angles and area of a right triangle.
- Z-Score CalculatorZ-score, percentile and normal probabilities.
- Combination and Permutation CalculatorCombinations (nCr) and permutations (nPr).
- Margin of Error CalculatorMargin of error and confidence interval for a survey.
- Interquartile Range CalculatorQuartiles, IQR, five-number summary and outliers.
- Speed Distance Time CalculatorSolve for speed, distance or time.
- Molarity CalculatorMolarity, or the mass needed for a solution.
- Diagonal CalculatorDiagonal of a rectangle, square or box.
- Square Root CalculatorSquare root, simplest radical form and squares.
- Radical CalculatorSimplify square, cube and nth roots.
- Vertex Form CalculatorVertex, roots and vertex form of a quadratic.
- Complex Number CalculatorAdd, multiply and divide complex numbers.
- Coterminal Angle CalculatorCoterminal and reference angles in degrees or radians.
- Scale CalculatorConvert between real size and scale size.
- Mean Absolute Deviation CalculatorMean absolute deviation of a data set, with steps.
- Linear Regression CalculatorLine of best fit, slope, r and R² from data.
- Coefficient of Variation CalculatorCoefficient of variation from data or mean and SD.
- Binomial Probability CalculatorExact and cumulative binomial probabilities.
- Significant Figures CalculatorCount sig figs and round to significant figures.
- PPM CalculatorParts per million from a ratio, and ppm conversions.
- Ohm’s Law CalculatorVoltage, current, resistance and power.
Money & Finance
Category page →- Salary to Hourly CalculatorConvert yearly salary to hourly pay, or hourly to salary.
- HELOC CalculatorEstimate your HELOC limit and draw and repayment payments.
- Compound Interest CalculatorGrow savings with compounding and regular deposits.
- Debt-to-Income Ratio CalculatorDebt-to-income ratio and what mortgage lenders allow.
- Loan Repayment CalculatorMonthly payment, total interest and payoff schedule.
- Mortgage CalculatorMonthly house payment with tax, insurance and PMI.
- Refinance CalculatorNew payment, savings and break-even point for a refinance.
- APR CalculatorThe real yearly cost of a loan once fees are included.
- Time and a Half CalculatorOvertime rate and total pay at 1.5x or double time.
- Sales Tax CalculatorAdd tax to a price, or find the price before tax.
- Auto Loan CalculatorMonthly car payment with tax, trade-in and fees.
- Amortization CalculatorMonth-by-month schedule of principal and interest.
- Early Loan Payoff CalculatorHow extra payments shorten a loan and save interest.
- Rent Affordability CalculatorHow much rent you can afford on your income.
- Investment CalculatorProject growth from a lump sum plus monthly deposits.
- Commission CalculatorCommission earned, total pay or the commission rate.
- Gross Profit CalculatorGross profit, margin and markup from revenue and cost.
- Unit Price CalculatorCompare price per unit to find the best deal.
- Credit Utilization CalculatorOverall and per-card credit utilization ratio.
- Road Trip Gas CalculatorFuel cost for a trip, split per person.
- Property Tax CalculatorYearly and monthly property tax from value and rate.
- Split CalculatorSplit a bill and tip between friends.
- CPM CalculatorCost per thousand impressions, cost or impressions.
- NPS CalculatorNet Promoter Score from survey responses.
- Dividend CalculatorDividend yield and income from your shares.
- Retirement Income CalculatorYearly income from savings and how long it lasts.
School & Grades
Category page →- Grade CalculatorWork out your overall grade from weighted scores or points.
- Weighted Grade CalculatorCombine category grades using their percentage weights.
- Final Grade CalculatorSee the score you need on your final exam to reach your goal.
- GPA CalculatorSemester and cumulative GPA from grades and credits.
- High School GPA CalculatorWeighted and unweighted GPA with honors and AP classes.
Dates & Time
Category page →- Chronological Age CalculatorExact age in years, months and days for test scoring.
- Day CalculatorAdd or subtract days, weeks or months from a date.
- Date Duration CalculatorCount days, weeks and months between two dates.
- Time Duration CalculatorHours and minutes between two times, overnight included.
- Business Day CalculatorCount or add working days, skipping weekends and holidays.
- Age CalculatorExact age in years, months and days on any date.
- Hours to Decimal CalculatorConvert hours and minutes to decimal hours and back.
- Add Time CalculatorAdd or subtract hours and minutes from a time.
- Work Hours CalculatorWeekly timesheet: total hours, overtime and pay.
- Birth Year CalculatorFind a birth year from an age.
- Dog Age CalculatorDog years to human years by size.
- Time Difference CalculatorConvert a time between two time zones.
- Hours and Minutes CalculatorAdd up hours and minutes durations.
Home & Building
Category page →- Concrete CalculatorCubic yards and bags of concrete for slabs and columns.
- Cubic Yard CalculatorCubic yards of mulch, soil, gravel or fill for any area.
- Gravel CalculatorTons and cubic yards of gravel, rock or sand for a project.
- Tile CalculatorHow many tiles and boxes you need for a floor or wall.
- Cubic Feet CalculatorVolume in cubic feet, yards, meters and gallons.
- Flooring CalculatorSquare feet, boxes and cost of flooring.
- Drywall CalculatorDrywall sheets, screws and mud for a room.
- Pool Volume CalculatorGallons of water in a rectangular, round or oval pool.
- kWh CalculatorEnergy use and running cost of an appliance.
- Grout CalculatorPounds of grout for a tiling job.
- Roofing CalculatorRoof area, squares and shingle bundles.
- Linear Foot CalculatorLinear feet of boards or trim, and cost.
- Acreage CalculatorAcres and hectares from lot dimensions.
- Aquarium CalculatorFish tank gallons, liters and water weight.
Health & Fitness
Category page →- One Rep Max CalculatorEstimate your 1RM and training weights from any set.
- Steps to Miles CalculatorConvert steps to miles and km, or miles to steps.
- BMI CalculatorBody mass index, category and healthy weight range.
- TDEE CalculatorDaily calorie burn from BMR and activity level.
- Race Pace CalculatorPace per mile and km, speed and splits for any race.
- Ideal Weight CalculatorIdeal body weight formulas and healthy BMI range.
- Heart Rate Zone CalculatorFive training heart rate zones by age.
- Calories Burned CalculatorCalories burned by activity, weight and time.
- Water Intake CalculatorDaily water needs in liters, ounces and cups.
Sports, Auto & More
Category page →- Gear Ratio CalculatorGear ratio, output RPM and torque from tooth counts.
- Horsepower CalculatorHorsepower from torque and RPM, plus kW.
- Engine Displacement CalculatorEngine size from bore, stroke and cylinders.
- PPI CalculatorPixel density of any screen.
- ERA CalculatorEarned run average from runs and innings.