I många av våra dagliga beslut borde vi förlita oss mer på fakta istället för att gå på känslor, gissningar och antaganden. Problemet är ofta att vi inte orkar ta reda på saker, inte har tid eller helt inte känner till rätt formel eller inte vet hur man räknar ut det vi behöver veta.
På denna sida hittar du länkar till smidiga digitala verktyg i form av webbaserade kalkylatorer som hjälper dig med olika typer av beräkningar inom alla möjliga tänkbara vardagliga eller yrkesmässiga problemområden inom fysik, elektronik, krafter och rörelser, kemi, matematik, statistik, sannolikhet, geometri, mekanik, hållfasthet, ekologi, sport m.m.
Dessa kalkylatorer är skapade av Omnicalculator.com.
Chemistry – Kemi
- Concentration
- Boiling point
- Atom
- Molarity
- Half life
- Activation energy
- Boiling point at altitude
- Cell EMF
- Gibbs’ phase rule
- Molality
- Nernst equation
- Neutralization
- Osmotic pressure
- Solution dilution
- Vapor pressure of water
Construction – Konstruktion
Construction converters
Construction materials calculators
- Gravel driveway
- Gravel
- Sand
- Brick
- Concrete – column
- Concrete – slab
- Concrete driveway cost
- Concrete – tube
- Drywall
- Flooring
- Mulch
- Paver Sand
- Plywood
- Rebar calculator
- Siding
- Sod
- Soil
- Tile
- Vinyl siding
Other calculators
- Roof pitch
- Heat Loss
- Paint
- Passive house savings
- Plant spacing
- Pool volume
- Roofing
- Snow load
- Trump’s Wall
- Wallpaper
Conversion
- Length converter
- Weight converter
- Temperature conversion
- Volume conversion
- Angle conversion
- Acreage
- Area conversion
- Binary
- Byte conversion
- CGS system of units converter
- Cat age
- Density conversion
- Dog age
- Energy conversion
- Force converter
- Knots to mph
- Fuel economy conversion
- 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 zones converter
- Unix time converter
Ecology – Ekologi
- Car vs. Bike
- Tap Water
- Smog calculator (english)
- Plastic Footprint
- Bag Footprint
- Books vs e-Books
- Flight Emissions
- Hand dryers vs paper towels
- Smog calculator (polish)
- Plug-in hybrid economy
Everyday life – Vardagsliv
Everyday savings calculators
- Electricity cost
- Shower cost
- Electricity cost – single usage
- Quit Smoking And Save
- Toothpaste
- Beach Price Index
Transportation calculators
- Speed
- Gas
- Drive Time Calculator
- MPG
- Commute
- Flight Radiation
- Ticket optimizer
- Traffic density
- Helium balloons
Time and productivity calculators
- Every Second
- Words per minute
- Social Media Time Alternatives
- Reading Speed
- English Learning Time
- TV alternatives
- Reverse time
- TV series duration
Clothing calculators
Other calculators
Finance – Finans
Business planning calculators
- Business budget
- Online marketing conversion
- Build vs. Buy
- CPC and CPM
- Website ad revenue
- CPM
- Pre and post-money valuation
- SaaS Lifetime Value
- Software contract value
Investment calculators
- Compound interest
- NPV
- Investment
- WACC
- Break even
- CAGR
- APY
- CAPM
- Current ratio
- Depreciation
- Discounted cash flow
- EBIT
- EBITDA
- EBITDA multiple
- Earnings per share
- Enterprise value
- Future value
- MIRR
- Market capitalization
- Net profit margin
- Payback period
- Present value
- 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
Sales calculators – Försäljning
- Margin with discount
- Markup and margin (2 sets)
- Markdown
- Double discount
- Ending inventory
- Check digit
- Commission
- Discount
- Margin
- Margin and sales tax
- Margin and VAT
- Markup
- Percent off
- Sales
- Triple discount
Tax and salary calculators – Skatt och lön
Real estate calculators – Fastigheter
- LTV (Loan to Value)
- Real estate commission w. VAT
- Cap rate
- Commercial lease
- Prorated rent
- Net Effective Rent
- Real estate commission
- Rent or buy
- Rental Commission
Personal finance calculators – Privatekonomi
- Savings
- Credit card payoff
- Cell phone plan
- Sabbatical
- Retirement
- Budget
- Car depreciation
- Dream come true
- Early retirement
- Lease
- Lease mileage
- Personal loan
- Salary inflation
Debt management calculators – Skulder och lån
- Mortgage
- Loan balance
- Debt to asset ratio
- Simple interest
- Debt service coverage ratio
- 28/36 Rule
- Debt to equity
- Debt to income ratio
- Partially amortized loan
- RV loan
Microeconomics calculators
Macroeconomics calculators
Other calculators
Food – Mat och näring
- Coffee kick
- Kawowy kalkulator energii
- Saint Patrick’s Planner
- Do or Donut?
- Pancake Recipe
- Pizza party
- ABV
- Beer pong
- Bread Spreads
- Chocolate
- Coffee to water ratio
- Eggs
- Eggs (old)
- Grams to cups
- Perfect pancake
- Pizza Comparison
- Pizza Cost Comparison
- Thanksgiving
- Thanksgiving Calories
Health – Hälsa
Cardiology calculators
Electrolytes & fluids calculators
- Creatinine Clearance
- GFR (glomerular filtration rate)
- Corrected calcium
- FENa
- Sodium correction
- Anion gap
- Arterial blood pH
- Corrected Magnesium
- Drip rate
- Free water deficit
- Sodium correction for hypo- and hypernatremia
- Sodium deficit
- Total body water
- Urine anion gap
- Venous blood pH
Fertility & pregnancy calculators
- Due date
- Ovulation
- Period
- Pregnancy weight gain
- hCG levels
- Progesterone to estradiol ratio
- Testosterone to estrogen ratio
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
- Plasma volume
- Serum-ascites albumin gradient (SAAG)
- Transferrin saturation
Pediatric calculators
- Paracetamol dosage
- Ibuprofen dosage
- Pediatric GFR (glomerular filtration rate)
- APGAR score
- Pediatric blood volume
- Height
- Pediatric blood transfusion
Pulmonary calculators
General health calculators
- Dosage
- Glasgow coma scale
- Opioid conversion
- Centor score
- Addiction
- Alvarado score
- BAC
- BSA
- Caffeine
- Free & Bioavailable Testosterone Calculator
- Medical Radiation
- Noise Exposure Time
- Revised trauma score
- Sleep
- Steroid conversion
- Water Intake
Body measurements calculators
- BMI (body mass index)
- Body Fat
- BAI
- Ideal weight
- Waist-Hip Ratio
- APFT
- Army body fat
- BMR – Mifflin St Jeor equation
- Body shape
- BMR – Harris-Benedict equation
- BMR – Katch-McArdle equation
- Lean body mass
- Navy body fat
- Ponderal Index
- Waist to Height
Metabolic disorders calculators
- MELD
- Calorie
- Cholesterol units
- Blood sugar converter
- Cholesterol ratio
- Carbohydrates
- Fat intake
- LDL cholesterol
- Macro
- Meal calorie
- Protein
- RMR
Other calculators
Math – Matematik
Percentages calculators – Procent
- Percentage
- Percent error
- Percentage change
- Percentage increase
- Percentage difference
- Convert fraction to percentage
- Percentage decrease
- Percentage of percentage
Algebra calculators
- Square root
- Rounding
- Exponent
- Log
- Ratio
- Antilog
- Cube root
- Eigenvalue 2×2
- Factorial
- Hyperbolic functions
- Proportion
- Quadratic formula
- Remainder
Arithmetic calculators
Coordinate geometry calculators
- Slope
- Perpendicular line
- Distance
- Dot product
- Cross product
- Cylindrical coordinates
- Equation of a circle
- Linear interpolation
- Midpoint
- Parabola
- Parallel line
- Polar coordinates
- Slope intercept form
- Spherical coordinates
- Three-dimensional distance
- Unit vector
Trigonometry calculators
2D geometry calculators
- 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
- 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
- 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
- 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 cylinder
- Sphere Volume
- Surface area of a cylinder
- Area of a hemisphere
- Triangular Prism
- Volume of a hemisphere
Sequences calculators
Other calculators
Physics
Classical mechanics calculators
- Projectile motion
- Free fall
- Ideal rocket equation
- Acceleration
- Car center of mass
- Car crash force
- Conservation of momentum
- Density
- Elastic potential energy
- 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
- Pressure
- Projectile range
- Pulley
- 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
- 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
Fluid mechanics calculators
- Buoyancy
- Hydrostatic pressure
- Bernoulli equation
- Drag equation
- Stokes’ law
- Hydraulic pressure
- Knudsen number
- Reynolds Number
Atmospheric thermodynamics calculators
Thermodynamics calculators
- Specific heat
- Latent Heat
- Carnot efficiency
- Ideal gas law
- Particles velocity
- Biot number
- Boltzmann factor
- Curie’s Law
- Efficiency
- Electrical mobility
- Enthalpy
- Joule Heating
- Mean free path
- Newton’s law of cooling
- Thermal conductivity
- Thermal energy
- Thermal expansion
- Thermodynamic processes
- 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
- 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
- LED resistor
- Magnetic Field of Straight Current-Carrying Wire
- Magnetic Force Between Wires
- Magnetic Permeability
- Number density
- Power factor
- RC circuit
- RLC circuit
- Resistor color code
- Series resistor
- Shockley diode calculator
- Solenoid Inductance
- Solenoid Magnetic Field
- Spherical Capacitor
- Voltage drop
- 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
- Magnetic moment
- Photon Energy
- Rydberg equation
- Wien’s law
Relativity calculators
Astrophysics calculators
- Escape velocity
- Orbital velocity
- Luminosity
- Black hole temperature
- Redshift Calculator
- Radiation pressure
- Schwarzschild radius
Other calculators
Sports
Running calculators
Cycling calculators
- Cycling wattage
- Calories Burned Biking
- Bike Gear
- Cycling Heart Rate Zone
- Bike Cadence and Speed
- Biking Life Gain
- Cycling Breakaway
Other calculators
- Winning percentage
- Walking calorie
- Calories Burned
- Hiking
- Bench press
- ERA (Earned Run Average)
- Heart rate
- Kiteboarding
- Wilks
- Max heart rate
- Target heart rate
- Tennis balls
- VO2 max
Statistics
- Probability
- Combination
- Exponential growth prediction
- Relative risk
- Odds
- 5★ rating average
- Binomial distribution
- Chi square
- Confidence interval
- Exponential distribution
- Geometric distribution
- Lottery
- Negative binomial distribution
- Normal distribution
- P value
- Permutation
- Point estimate
- Poisson distribution
- Risk
- SMp(x)
- Sample size
- Z score
Other
Photo and video calculators
- PPI
- Time lapse
- Screen Size
- Video file size (by format)
- Aspect ratio
- Bandwidth
- Frames to timecode
- Projector
- TV size and distance
- Timecode to frames
- Video frame size
New tech and electronics calculators
Other calculators
- White christmas
- Days until Christmas
- Sunbathing
- Beauty products
- Tip
- Day counter
- Aquarium
- Azimuth
- CBM for shipping
- Christmas tree
- College GPA
- Crickets Chirping Thermometer
- Day of the week
- Diamond Weight
- Final grade
- Freight class
- Gender Pay Gap
- High school GPA
- Christmas tree PL
- NaNoWriMo
- New Year’s resolutions
- Pay Gap US
- Pokemon Go Candy
- Potting Soil
- Salt Dough
- Streaming Royalties
- Tip from net price
- Total harmonic distortion
- Leaves on tree
- Wind chill