All calculators
Every CalcEagle calculator in alphabetical order. Each one includes the formula, a worked example and step-by-step results.
- Area of a Sector CalculatorSector area, arc length, chord, perimeter and segment area from radius, diameter, angle or arc length.Math
- Barbell CalculatorFind which plates to load on each side of a barbell for a target weight in lb or kg, or add up a loaded bar.Everyday
- Basic CalculatorAn online calculator with a keypad, keyboard support, percent and square root keys, step-by-step order of operations and history.Math
- Brick CalculatorCount bricks for a wall by size and joint, minus openings, with waste, cost and a mortar estimate.Home & Construction
- Chmod CalculatorConvert Linux file permissions between checkboxes, octal (755) and symbolic (rwxr-xr-x), with setuid, setgid and sticky bits.Everyday
- Complex Number CalculatorComplex arithmetic plus conjugate, modulus, argument, polar and exponential form, integer powers and all nth roots.Math
- Court Date CalculatorFind a legal deadline in calendar or court days, with FRCP 6 weekend and holiday rules and every skipped day shown.Date & Time
- Cow Gestation CalculatorExpected calving date, calving window and pregnancy-check dates from a breeding or bull exposure date.Date & Time
- Cube CalculatorFind a cube's volume, surface area, edge and diagonals from any one measurement, or cube any number (x³).Math
- Dihybrid Cross CalculatorGametes, a 4×4 Punnett square and genotype and phenotype ratios for any two-gene cross.Science
- DRIP CalculatorProject a dividend reinvestment plan year by year: shares, balance, income and yield on cost, with or without reinvesting.Finance
- Drop Ceiling CalculatorCount ceiling panels, main tees, cross tees, wall angle and hanger wires, with centered border sizes.Home & Construction
- Exponential Decay CalculatorAmount remaining or time needed for exponential decay, from a percent rate, decay constant or half-life.Science
- G-Force CalculatorG-force from acceleration, a change in speed over time, or a turn's speed and radius, in g, m/s² and ft/s².Science
- Geometric Mean CalculatorGeometric mean of a list of numbers, or the compound average of growth rates and returns, with steps.Math
- Grout CalculatorFind how many pounds and bags of tile grout you need from tile size, joint width and area.Home & Construction
- Linear Regression CalculatorGet the regression line equation, slope, intercept, r, r², standard error and a scatter plot from pasted x, y data.Math
- Nether Portal CalculatorConvert Overworld coordinates to Nether coordinates and back, and see how far a Nether highway saves between two places.Everyday
- Out-the-Door Price CalculatorTotal a car deal with sales tax, fees, rebates and trade-in, and see how much you will finance.Finance
- Percentage CalculatorFind a percent of a number, what percent one number is of another, percent change, and percent difference.Math
- Points vs Cash CalculatorWork out cents per point on an award booking and see whether points or cash is the better deal for you.Finance
Browse by category
- Math CalculatorsPercentages, regression, complex numbers, means, geometry and an everyday basic calculator.
- Finance CalculatorsDividend reinvestment, car out-the-door prices and credit card points vs. cash.
- Home & Construction CalculatorsEstimate bricks, tile grout and drop ceiling materials before you buy.
- Date & Time CalculatorsCourt and legal deadlines with federal holidays, and cattle calving dates.
- Science CalculatorsG-force, exponential decay and half-life, and dihybrid genetic crosses.
- Everyday & Hobby CalculatorsLinux file permissions, Minecraft Nether coordinates and barbell plate loading.