Physical chemistry calculators

• Vapor pressure
• Boiling point
• Half life
• Boiling point at altitude
• Entropy
• Gibbs' phase rule
• Nernst equation
• Osmotic pressure
• Partial pressure
• Vapor pressure of water

Stoichiometry and solutions calculators

• Concentration
• Atom
• Molarity
• Avogadro's number
• Bond order
• Dilution factor
• Equilibrium constant
• Kp
• Molality
• Mole
• Neutralization
• Percent yield
• Serial dilution
• Solution dilution
• Theoretical yield
• Titration

Other calculators

• Activation energy
• Cell EMF

Construction converters

• Square footage
• Board foot
• Cubic yard
• Size to weight (rectangular box)

Construction materials calculators

• Gravel
• Sand
• Brick
• Baluster
• Concrete - column
• Concrete - slab
• Concrete - tube
• Concrete weight
• Decking
• Rebar calculator
• Retaining wall
• Vinyl fence

Home and garden calculators

• Drywall
• Fence
• Fertilizer
• Flooring
• Grass seed
• Mulch
• Paint
• Paver
• Paver Sand
• Plant spacing
• Plywood
• Siding
• Sod
• Soil
• Stairs
• Tile
• Vinyl siding
• Wallpaper

Roofing calculators

• Roof pitch
• Metal roof cost
• Roofing
• Snow load

Driveway calculators

• Gravel driveway
• Concrete driveway cost

Other calculators

• Heat Loss
• Elevation grade
• Passive house savings
• Pipe volume
• Pool volume
• Tank volume
• Trump's Wall

• Length converter
• Weight converter
• Temperature conversion
• Volume conversion
• Angle conversion
• Acreage
• Area conversion
• Binary
• Byte conversion
• CGS system of units converter
• Cat age
• Conversion
• Cubic feet
• Density conversion
• Dog age
• Energy conversion
• Force converter
• Knots to mph
• Fuel economy conversion
• Military time converter
• PPM
• ppm to mg/l converter
• Paper Quantity Converter
• Power converter
• Pressure conversion
• Px to em to pt to %
• Quantity Converter
• Radiation Converter
• Scale conversion
• Speed conversion
• Time unit converter
• Time zones converter
• Unix time converter

Eco footprint calculators

• Meat footprint
• Plastic Footprint
• Flight carbon footprint
• Hand drying footprint
• Bag Footprint
• Christmas Tree Footprint Calculator

Renewable energy calculators

• Hydroelectric power
• Wind turbine

Other calculators

• Car vs. Bike
• Tap Water
• Smog
• Books vs e-Books
• Cigarette butts
• Plug-in hybrid economy

Everyday savings calculators

• Electricity cost
• Shower cost
• Electricity cost - single usage
• Quit Smoking And Save
• Toothpaste
• Back to school
• Beach Price Index
• Unit price

Transportation calculators

• Speed
• Gas
• Drive Time Calculator
• MPG
• Commute
• Flight Radiation
• Ticket optimizer
• Traffic density
• Compression ratio
• Helium balloons
• Engine horsepower

Time and productivity calculators

• Every Second
• Words per minute
• Social Media Time Alternatives
• Reading Speed
• English Learning Time
• TV alternatives
• Email alternatives
• Reverse time
• TV series duration
• Calendar
• Date
• Korean age
• Pomodoro Technique
• The Witcher

Clothing calculators

• Circle skirt
• Bra size
• Lost Socks Calculator
• Shoe Size Conversion
• Ring Size
• Bikini body shape
• Pleated skirt

Other calculators

• Lighting
• Desk height
• Dog food
• Hammock hang
• Standing desk height

Business planning calculators

• Business budget
• Online marketing conversion
• Build vs. Buy
• CPC and CPM
• Website ad revenue
• CPM
• Herfindahl-Hirschman index (HHI)
• Pre and post-money valuation
• SaaS Lifetime Value
• smoker's ctc
• Software contract value
• YouTube money

Investment calculators

• Compound interest
• Dividend
• NPV
• Investment
• WACC
• Break even
• CAGR
• APY
• CAPM
• CD
• Current ratio
• Depreciation
• Discounted cash flow
• Dividend discount model
• EBIT
• EBITDA
• EBITDA multiple
• Earnings per share
• Enterprise value
• Future value
• Future value of annuity
• IRR
• MIRR
• Market capitalization
• Net profit margin
• Payback period
• Perpetuity
• Present value
• Present value of annuity
• Price/earnings ratio
• Quick ratio
• ROI
• Return on invested capital (ROIC)
• ROA
• Return On Capital Employed
• Return on Equity (ROE)
• Return on sales (ROS)
• Rule of 72
• Sharpe ratio
• Stock
• Time value of money

Sales calculators

• Black Friday
• Margin with discount
• Markup and margin (2 sets)
• Markdown
• Double discount
• Ending inventory
• Check digit
• Commission
• Contribution margin
• Discount
• Margin
• Margin and sales tax
• Margin and VAT
• Markup
• Percent off
• Percentage Discount
• Profit
• Receivables turnover
• Sales
• Triple discount

Tax and salary calculators

• VAT
• Salary to hourly
• Overtime
• Sales tax
• Gross to net
• GST
• Hourly to salary
• Net to gross
• Pay raise

Real estate calculators

• LTV (Loan to Value)
• Real estate commission w/ VAT
• Cap rate
• Commercial lease
• Prorated rent
• Home affordability
• Net Effective Rent
• Real estate commission
• Rent or buy
• Rental Commission

Personal finance calculators

• Savings
• Credit card payoff
• Cell phone plan
• Sabbatical
• Retirement
• Auto loan
• Budget
• Car affordability
• Car depreciation
• Cross exchange rate
• Dream come true
• Early retirement
• Interest Rate Calculator
• Lease
• Lease mileage
• Net Worth
• Personal loan
• Salary inflation
• Scrap gold
• Scrap silver

Debt management calculators

• Mortgage
• Loan balance
• Debt to asset ratio
• Simple interest
• Debt service coverage ratio
• 28/36 Rule
• APR
• Debt to equity
• Debt to income ratio
• Loan payment
• Partially amortized loan
• RV loan

Microeconomics calculators

• Cross price elasticity
• Optimal price
• Price elasticity of demand

Macroeconomics calculators

• Buying power
• CPI Inflation
• Cobb-Douglas production function
• Disposable income
• GDP
• GDP deflator
• GDP growth rate
• GDP per capita
• Inflation
• Money multiplier
• Real interest rate
• Spending multiplier
• Unemployment rate

Other calculators

• Brexit
• Basis point
• Price / quantity

• Coffee kick
• Do or Donut?
• Pancake Recipe
• Pizza party
• ABV
• BBQ Party
• Beer pong
• Bread Spreads
• Butter
• Cake pan
• Cake serving
• Chilled drink
• Chocolate
• Coffee to water ratio
• Cooking measurement
• Eggs
• Eggs (old)
• Grams to cups
• Grams to tablespoons
• Grams to teaspoons
• Perfect pancake
• Pizza baking
• Pizza Comparison
• Pizza Cost Comparison
• Pounds to cups
• Tea brewing
• Thanksgiving
• Thanksgiving Calories
• Wedding alcohol
• ml to grams

Body measurements calculators

• BMI (body mass index)
• Body Fat
• BAI
• Ideal weight
• Waist-Hip Ratio
• APFT
• Adjusted Body Weight
• Army body fat
• BMI calculator for kids
• BMI calculator for men
• BMI calculator for teens
• BMI calculator for women
• BMR - Mifflin St Jeor equation
• Body shape
• Fat-free mass index
• BMR - Harris-Benedict equation
• BMR - Katch-McArdle equation
• Lean body mass
• Navy body fat
• Ponderal Index
• Waist to Height

Dietary calculators

• Calorie
• Simple calorie intake
• Carbohydrates
• Fat intake
• Keto
• Macro
• Meal calorie
• Net carbs
• Protein
• Weight Watchers points

Metabolic disorders calculators

• MELD
• Cholesterol units
• Blood sugar converter
• Cholesterol ratio
• Hemoglobin A1c
• Child Pugh
• risk of DM
• LDL cholesterol
• RMR
• Serum-ascites albumin gradient (SAAG)

Fertility & pregnancy calculators

• Due date
• Ovulation
• Period
• Pregnancy weight gain
• hCG levels
• Conception date
• IVF due date 👶
• Progesterone to estradiol ratio
• Testosterone to estrogen ratio
• VBAC risk score

Addiction medicine calculators

• Addiction
• Alcohol units
• Audit test
• Audit-C screen
• BAC
• CAGE questionnaire
• Caffeine
• Cigarette
• Standard drink

Cardiovascular system calculators

• Pulmonary Embolism (Wells)
• QTc
• MAP (mean arterial pressure)
• ECG heart rate
• Cardiac output
• Stroke volume
• CVD Risk
• Ankle-brachial index
• CHA₂DS₂-VASc
• ECG boxes to seconds
• HAS-BLED Calculator

Electrolytes & fluids calculators

• Creatinine Clearance
• GFR (estimated glomerular filtration rate)
• Corrected calcium
• FENa
• Sodium correction
• Anion gap
• Arterial blood pH
• BUN/creatinine ratio
• Corrected Magnesium
• Drip rate
• FEUrea
• Free water deficit
• Parkland formula
• Serum osmolality
• Sodium change in hypertriglyceridemia
• Sodium correction for hypo- and hypernatremia
• Sodium deficit
• Transtubular potassium gradient
• Total body water
• Urine anion gap
• Venous blood pH

Hematology calculators

• ANC
• Blood volume
• Blood donor
• Blood type
• Blood loss
• Absolute eosinophil count
• Absolute lymphocyte count
• Absolute reticulocyte count
• Corrected reticulocyte count
• Hematocrit to hemoglobin
• Iron deficiency
• Plasma volume
• Transferrin saturation

Pediatric calculators

• Paracetamol dosage
• Ibuprofen dosage
• Pediatric GFR (glomerular filtration rate)
• APGAR score
• Pediatric blood volume
• Height
• Maintenance fluids for children
• Newborn Hyperbilirubinemia Assesment
• Pediatric blood transfusion

Percentile calculators

• Child BMI percentile
• Head circumference percentile
• Child height percentile
• Child weight percentile

Pulmonary calculators

• Lung Cancer Risk
• Pack Year
• Smoking Recovery
• Lung capacity
• CURB-65
• Endotracheal tube size
• Light's criteria
• Peak flow
• Rapid shallow breathing index
• Vital capacity

General health calculators

• Dosage
• Glasgow coma scale
• Opioid conversion
• Centor score
• qSOFA
• 20/20 Vision for 2020
• Alvarado score
• BSA
• Barthel index
• Breast cancer risk
• Depression Screening by PHQ-2
• EORTC Bladder Cancer Recurrence and Progression Calculator
• Free & Bioavailable Testosterone Calculator
• Car heat
• IV flow rate
• Medical Radiation
• Noise Exposure Time
• PF ratio
• PSA density
• Revised trauma score
• SAPS II
• Sleep
• Steroid conversion
• Water Intake

Other calculators

• Football Calorie (2018 WC Edition)
• Pokémon Go Weight Loss

Percentages calculators

• Percentage
• Percent error
• Percentage change
• Percentage increase
• Percentage difference
• Doubling time
• Convert fraction to percentage
• Percentage decrease
• Percentage of a percentage

Algebra calculators

• Square root
• Rounding
• Exponent
• Log
• Ratio
• Antilog
• Complex number
• Cube root
• Eigenvalue 2x2
• Exponential growth
• Factorial
• Fraction exponent
• Hyperbolic functions
• Natural logarithm
• Proportion
• Quadratic formula
• Remainder

Arithmetic calculators

• Average
• Geometric mean
• Factor
• Modulo
• GCF
• LCM
• Prime factorization
• Absolute value
• Adding fractions
• Decimal to fraction
• Equivalent fractions
• GCF and LCM
• Weighted average

Coordinate geometry calculators

• Rise over run calculator
• Slope
• Perpendicular line
• Distance
• Dot product
• Cross product
• Average rate of change
• Cylindrical coordinates
• Equation of a circle
• Linear interpolation
• Midpoint
• Parabola
• Parallel line
• Polar coordinates
• Slope intercept form
• Spherical coordinates
• Three-dimensional distance
• Unit vector
• Vector magnitude
• Vector projection

Trigonometry calculators

• Law of cosines
• Law of sines
• Arcsin
• Arctan
• Cosine
• Sine
• Tangent
• Trigonometric functions
• Trigonometry

2D geometry calculators

• Area
• Perimeter
• Circumference
• Pythagorean theorem
• Triangle Area
• Right triangle
• Ellipse
• Arc length
• 30 60 90 triangle
• 45 45 90 triangle
• Area of polygon
• Area of a rectangle
• Area of a right triangle
• Area of a square
• Area of a trapezoid
• Center of mass
• Central angle
• Centroid
• Circle calc: find c, d, a, r
• Diagonal of a rectangle
• Diagonal of a square
• Equilateral Triangle
• Golden rectangle
• Heron's formula
• Hexagon
• Hypotenuse
• Isosceles Triangle
• Kite Area
• Moment of inertia
• Octagon
• Orthocenter
• Parallelogram Area
• Parallelogram Perimeter
• Pentagon
• Perimeter of a polygon
• Perimeter of a rectangle
• Perimeter of a square
• Perimeter of a triangle
• Regular polygon
• Quadrilateral Area
• Reference angle
• Rhombus Area
• Right triangle side and angle
• Sector area
• Segment area
• Semicircle area
• Special right triangles
• Square calc: find A, P, d
• Triangle angle
• Triangle height

3D geometry calculators

• Volume
• Surface area
• Cylinder Volume
• Cone Volume
• Sphere
• Area of a sphere
• Cube
• Height of a cylinder
• Pyramid Volume
• Radius of a cylinder
• Radius of a sphere
• Rectangular Prism
• Right circular cone
• Right cylinder
• Sphere Volume
• Surface area of a cone
• Surface area of a cube
• Surface area of a cylinder
• Area of a hemisphere
• Triangular Prism
• Volume of a cube
• Volume of a hemisphere

Sequences calculators

• Arithmetic sequence
• Geometric sequence
• Fibonacci
• Sum of linear number sequence

Other calculators

• Significant figures
• Scientific notation
• Golden ratio

Classical mechanics calculators

• Belt length
• Normal force
• Projectile motion
• Free fall
• Ideal rocket equation
• Acceleration
• Car center of mass
• Car crash force
• Conservation of momentum
• Density
• Elastic potential energy
• Factor of Safety
• Free fall with air resistance
• Friction
• Gravitational force
• Hooke's law
• Horizontal projectile motion
• Impulse and momentum
• Inclined plane
• Kinetic energy
• Maximum height - projectile motion
• Mechanical advantage
• Newton's second law
• Poisson's ratio
• Potential energy
• Power-to-weight ratio
• Pressure
• Projectile range
• Pulley
• Quarter mile
• Reduced mass
• Rocket thrust
• Stress
• Time of flight - projectile motion
• Trajectory - projectile motion
• Velocity
• Work and power

Rotational and periodic motion calculators

• Simple pendulum
• Simple Harmonic Motion
• Angular Acceleration
• Centrifugal force
• Mass moment of inertia
• Angular velocity
• Coriolis Effect
• Physical Pendulum
• Rotational kinetic energy
• Torque

Waves calculators

• Wavelength
• dB
• Speed of Sound
• Doppler effect
• Diffraction grating
• Alfvén velocity
• Distance attenuation
• Harmonic wave equation
• Lumen to lux to candela
• Reverberation time

Optics calculators

• Snell's law
• Lensmaker's Equation
• Index of refraction
• Thin Lens Equation
• Angular Resolution
• Aperture area
• Binoculars range
• Bragg's law
• Brewster Angle
• Malus law
• Telescope magnification

Fluid mechanics calculators

• Buoyancy
• Hydrostatic pressure
• Bernoulli equation
• Drag equation
• Stokes' law
• Fan
• Flow rate
• Hydraulic jump
• Hydraulic pressure
• Hydraulic radius
• Knudsen number
• Pipe flow
• Reynolds Number
• Water density

Atmospheric thermodynamics calculators

• Air density
• Air pressure at altitude
• Heat Index
• Dew point
• Lightning distance
• Cloud base
• Wet bulb

Thermodynamics calculators

• Specific heat
• Latent Heat
• Carnot efficiency
• Ideal gas law
• Particles velocity
• Biot number
• Boltzmann factor
• Boyle's law
• Charles' law
• Thermodynamic processes
• Curie's Law
• Efficiency
• Electrical mobility
• Enthalpy
• Gay-Lussacs's law
• Joule Heating
• Mean free path
• Newton's law of cooling
• Thermal conductivity
• Thermal energy
• Thermal expansion
• Van der Waals equation

Electromagnetism calculators

• Coulomb's law
• Lorentz Force
• Ohm's law
• Parallel resistor
• Capacitance
• Acceleration of a particle in an electric field
• Capacitor code
• Capacitor energy
• Capacitors in series
• Crossover
• Cyclotron Frequency
• Drift Velocity
• Electric field of a point charge
• Electrical power
• Magnetic Force on Current-Carrying Wire
• Energy density of electric and magnetic fields
• Faraday's Law
• Hall coefficient
• Ideal transformer
• Inductor energy
• LED resistor
• Magnetic Field of Straight Current-Carrying Wire
• Magnetic Force Between Wires
• Magnetic Permeability
• Number density
• Parallel capacitor
• Photon detection efficiency (SiPM)
• Power factor
• RC circuit
• RLC circuit
• Resistor color code
• Resonant frequency
• Series resistor
• Shockley diode calculator
• Solenoid Inductance
• Solenoid Magnetic Field
• Spherical Capacitor
• Voltage divider
• Voltage drop
• Watt
• Watts to amps
• Wire resistance

Quantum mechanics calculators

• Hydrogen-like atom
• Photoelectric Effect
• De Broglie wavelength
• Stefan Boltzmann law
• Bohr Model
• Compton scattering
• Compton wavelength
• Curie constant
• Fermi level
• Heisenberg uncertainty
• Magnetic moment
• Photon Energy
• Rydberg equation
• Wien's law

Relativity calculators

• Space travel
• e=mc2
• Relativistic kinetic energy
• Velocity addition
• Time dilation
• Length contraction

Astrophysics calculators

• Escape velocity
• Orbital velocity
• Luminosity
• Black hole temperature
• Redshift Calculator
• Black Hole Collision Calculator
• Exoplanet discovery
• Orbital period
• Radiation pressure
• Schwarzschild radius

Other calculators

• Weight on other planets
• Stopping distance
• Earth curvature
• Arrow speed
• Sled

Running calculators

• Marathon pace
• Pace
• Race predictor
• Running calorie
• VO2 max runners
• Training pace
• Race time improvement

Cycling calculators

• Cycling wattage
• Calories Burned Biking
• Bike Gear
• Cycling Heart Rate Zone
• Bike Cadence and Speed
• Biking Life Gain
• Bike size
• Cycling Breakaway

Baseball calculators

• ERA (Earned Run Average)
• Batting Average
• FIP (Fielding Independent Pitching)
• Fielding percentage
• On base percentage
• Slugging percentage
• WAR (wins above replacement)
• WHIP (Baseball)

Other calculators

• Winning percentage
• Walking calorie
• Calories Burned
• Hiking
• Bench press
• Heart rate
• Kiteboarding
• Wilks
• Age-graded running
• DIN ski bindings
• Max heart rate
• Net Run Rate
• Passer rating
• Swimming time
• TS (True Shooting Percentage)
• Target heart rate
• Tennis balls
• VO2 max

• Probability
• Combination
• Exponential growth prediction
• Relative risk
• Odds
• 5★ rating average
• Bayes theorem
• Binomial distribution
• Birthday Paradox
• Chi square
• Coefficient of variation
• Confidence interval
• Correlation coefficient (Matthews)
• Covariance
• Dice probability
• Empirical rule
• Exponential distribution
• Geometric distribution
• Lottery
• Margin of error
• Negative binomial distribution
• Normal distribution
• P value
• Permutation
• Point estimate
• Poisson distribution
• Random number
• Relative error
• Relative standard deviation
• Risk
• SMp(x)
• Sample size
• Standard deviation
• Z score
• Shannon entropy

Photo and video calculators

• PPI
• Time lapse
• Screen Size
• Video file size (by format)
• 3D render time
• Aspect ratio
• Bandwidth
• Frames to timecode
• Projector
• TV size and distance
• Timecode to frames
• Video frame size

Tech and electronics calculators

• Battery Capacity
• Drone flight time
• 3D printing cost
• Battery Life
• Chmod
• Drone motor

Education

• GPA
• College GPA
• Final grade
• High school GPA
• Test grade

Other calculators

• White christmas
• Days until Christmas
• Sunbathing
• Beauty products
• Tip
• Day counter
• Aquarium
• Azimuth
• CBM for shipping
• Christmas tree
• Crickets Chirping Thermometer
• Sectretary problem (Valentine's day)
• Day of the week
• Diamond Weight
• Dimensional weight
• Earthquake
• Engagement rate
• Freight class
• Gender Pay Gap
• NaNoWriMo
• New Year's resolutions
• Pay Gap US
• Pizza tip
• Pokemon Go Candy
• Potting Soil
• Salt Dough
• Streaming Royalties
• Tip from net price
• Total harmonic distortion
• Leaves on tree
• Humans vs vampires
• Wind chill