Mathematics
Handle common math tasks including percentages, fractions, proportions, powers, roots, and statistics.
88 calculators available
- Mathematics
Fraction calculator
Simplify a fraction or add, subtract, multiply and divide two fractions.
Open : Fraction calculator - Mathematics
Powers and roots
Calculate a power or an integer-degree root in the real numbers.
Open : Powers and roots - Mathematics
Simple and weighted average
Calculate the arithmetic average of a list, with or without weights.
Open : Simple and weighted average - Mathematics
Basic calculator
Add, subtract, multiply or divide two numbers.
Open : Basic calculator - Mathematics
Ratios and proportions
Simplify a positive integer ratio and find a proportional quantity.
Open : Ratios and proportions - Mathematics
Number rounding
Round a decimal number with an explicit precision and rule.
Open : Number rounding - Mathematics
Descriptive statistics calculator
Calculate the mean, median, mode, range, variance and standard deviation of a list of values.
Open : Descriptive statistics calculator - Mathematics
Probability calculator
Calculate an event probability, its complement and the odds in its favor.
Open : Probability calculator - Mathematics
Scientific calculator
Calculate scientific calculator with clear inputs and assumptions.
Open : Scientific calculator - Mathematics
Prime factorization
Calculate prime factorization with clear inputs and assumptions.
Open : Prime factorization - Mathematics
GCD calculator
Calculate gcd calculator with clear inputs and assumptions.
Open : GCD calculator - Mathematics
LCM calculator
Calculate lcm calculator with clear inputs and assumptions.
Open : LCM calculator - Mathematics
Quadratic equation solver
Calculate quadratic equation solver with clear inputs and assumptions.
Open : Quadratic equation solver - Mathematics
Percentage error
Calculate percentage error with clear inputs and assumptions.
Open : Percentage error - Mathematics
Scientific notation
Calculate scientific notation with clear inputs and assumptions.
Open : Scientific notation - Mathematics
Savings goal calculator
Calculate savings goal calculator with clear inputs and assumptions.
Open : Savings goal calculator - Mathematics
Loan payoff calculator
Calculate loan payoff calculator with clear inputs and assumptions.
Open : Loan payoff calculator - Mathematics
CAGR calculator
Calculate cagr calculator with clear inputs and assumptions.
Open : CAGR calculator - Mathematics
Rent vs buy calculator
Calculate rent vs buy calculator with clear inputs and assumptions.
Open : Rent vs buy calculator - Mathematics
Gross-to-net estimate
Calculate gross-to-net estimate with clear inputs and assumptions.
Open : Gross-to-net estimate - Mathematics
Inflation impact calculator
Calculate inflation impact calculator with clear inputs and assumptions.
Open : Inflation impact calculator - Mathematics
Confidence interval calculator
Calculate confidence interval calculator with clear inputs and assumptions.
Open : Confidence interval calculator - Mathematics
Triangle area calculator
Calculate triangle area calculator with clear inputs and assumptions.
Open : Triangle area calculator - Mathematics
Circle calculator
Calculate circle calculator with clear inputs and assumptions.
Open : Circle calculator - Mathematics
Concrete volume calculator
Calculate concrete volume calculator with clear inputs and assumptions.
Open : Concrete volume calculator - Mathematics
Roman numeral converter
Calculate roman numeral converter with clear inputs and assumptions.
Open : Roman numeral converter - Mathematics
Permutations and combinations
Calculate permutations and combinations with clear inputs and assumptions.
Open : Permutations and combinations - Mathematics
Z-score calculator
Calculate z-score calculator with clear inputs and assumptions.
Open : Z-score calculator - Mathematics
Random number generator
Generate 1 to 100 integers between inclusive bounds, with possible repeats.
Open : Random number generator - Mathematics
Percentages
Calculate a percentage, a share or a change between two values.
Open : Percentages - Mathematics
Rule of three
Find the fourth value in a direct proportion from three known values.
Open : Rule of three - Mathematics
Complex numbers
Calculate complex numbers using the values and assumptions you provide.
Open : Complex numbers - Mathematics
Logarithm calculator
Calculate logarithm calculator using the values and assumptions you provide.
Open : Logarithm calculator - Mathematics
Significant figures
Calculate significant figures using the values and assumptions you provide.
Open : Significant figures - Mathematics
3 × 3 matrix determinant
Calculate 3 × 3 matrix determinant using the values and assumptions you provide.
Open : 3 × 3 matrix determinant - Mathematics
Vector dot product
Calculate vector dot product using the values and assumptions you provide.
Open : Vector dot product - Mathematics
2 × 2 linear system
Calculate 2 × 2 linear system using the values and assumptions you provide.
Open : 2 × 2 linear system - Mathematics
Arithmetic sequence
Calculate arithmetic sequence using the values and assumptions you provide.
Open : Arithmetic sequence - Mathematics
Trigonometry calculator
Calculate trigonometry calculator using the values and assumptions you provide.
Open : Trigonometry calculator - Everyday lifeMathematics
Estimated mortgage principal
Calculate estimated mortgage principal using the values and assumptions you provide.
Open : Estimated mortgage principal - Everyday lifeMathematics
Early loan payoff
Calculate early loan payoff using the values and assumptions you provide.
Open : Early loan payoff - Everyday lifeMathematics
Freelance target day rate
Calculate freelance target day rate using the values and assumptions you provide.
Open : Freelance target day rate - Everyday lifeMathematics
Commission calculator
Calculate commission calculator using the values and assumptions you provide.
Open : Commission calculator - Everyday lifeMathematics
Rent and utilities split
Calculate rent and utilities split using the values and assumptions you provide.
Open : Rent and utilities split - Everyday lifeMathematics
Savings from regular deposits
Calculate savings from regular deposits using the values and assumptions you provide.
Open : Savings from regular deposits - Everyday lifeMathematics
Floor tile count
Calculate floor tile count using the values and assumptions you provide.
Open : Floor tile count - Everyday lifeMathematics
Flooring area with waste allowance
Calculate flooring area with waste allowance using the values and assumptions you provide.
Open : Flooring area with waste allowance - Everyday lifeMathematics
Wallpaper roll count
Calculate wallpaper roll count using the values and assumptions you provide.
Open : Wallpaper roll count - Everyday lifeMathematics
Fence post count
Calculate fence post count using the values and assumptions you provide.
Open : Fence post count - Everyday lifeMathematics
Roof pitch percentage
Calculate roof pitch percentage using the values and assumptions you provide.
Open : Roof pitch percentage - Everyday lifeMathematics
Stair riser height
Calculate stair riser height using the values and assumptions you provide.
Open : Stair riser height - Construction and DIYMathematicsEveryday life
Drywall sheet estimator
Drywall sheet estimator: calculate a transparent estimate from the values and assumptions you provide.
Open : Drywall sheet estimator - Construction and DIYMathematicsEveryday life
Brick wall estimator
Brick wall estimator: calculate a transparent estimate from the values and assumptions you provide.
Open : Brick wall estimator - Construction and DIYMathematicsConversionsEveryday life
Gravel volume, weight and bags
Gravel volume, weight and bags: calculate a transparent estimate from the values and assumptions you provide.
Open : Gravel volume, weight and bags - Construction and DIYMathematicsConversionsEveryday life
Board foot calculator
Board foot calculator: calculate a transparent estimate from the values and assumptions you provide.
Open : Board foot calculator - Construction and DIYMathematicsEveryday life
Roof shingle estimator
Roof shingle estimator: calculate a transparent estimate from the values and assumptions you provide.
Open : Roof shingle estimator - Construction and DIYMathematicsEveryday life
Deck board estimator
Deck board estimator: calculate a transparent estimate from the values and assumptions you provide.
Open : Deck board estimator - Construction and DIYMathematicsEveryday life
Retaining wall block estimator
Retaining wall block estimator: calculate a transparent estimate from the values and assumptions you provide.
Open : Retaining wall block estimator - Construction and DIYMathematicsEveryday life
Insulation thermal resistance
Insulation thermal resistance: calculate a transparent estimate from the values and assumptions you provide.
Open : Insulation thermal resistance - Construction and DIYMathematicsTravel and transportEveryday life
Excavation haul trips
Excavation haul trips: calculate a transparent estimate from the values and assumptions you provide.
Open : Excavation haul trips - Construction and DIYMathematicsEveryday life
Fence material cost estimator
Fence material cost estimator: calculate a transparent estimate from the values and assumptions you provide.
Open : Fence material cost estimator - ChemistryMathematicsConversions
Molar mass from a formula
Molar mass from a formula: calculate a transparent estimate from the values and assumptions you provide.
Open : Molar mass from a formula - ChemistryMathematicsConversions
Mass to amount of substance
Mass to amount of substance: calculate a transparent estimate from the values and assumptions you provide.
Open : Mass to amount of substance - ChemistryMathematicsConversions
Molar concentration
Molar concentration: calculate a transparent estimate from the values and assumptions you provide.
Open : Molar concentration - ChemistryMathematicsConversions
Solution dilution
Solution dilution: calculate a transparent estimate from the values and assumptions you provide.
Open : Solution dilution - ChemistryMathematicsConversions
Limiting reagent estimator
Limiting reagent estimator: calculate a transparent estimate from the values and assumptions you provide.
Open : Limiting reagent estimator - ChemistryMathematicsConversions
Reaction yield
Reaction yield: calculate a transparent estimate from the values and assumptions you provide.
Open : Reaction yield - ChemistryMathematicsConversions
Empirical formula from masses
Empirical formula from masses: calculate a transparent estimate from the values and assumptions you provide.
Open : Empirical formula from masses - ChemistryMathematicsConversions
Strong acid or base theoretical pH
Strong acid or base theoretical pH: calculate a transparent estimate from the values and assumptions you provide.
Open : Strong acid or base theoretical pH - StatisticsMathematics
Linear regression
Linear regression: calculate a transparent estimate from the values and assumptions you provide.
Open : Linear regression - StatisticsMathematics
Pearson linear correlation
Pearson linear correlation: calculate a transparent estimate from the values and assumptions you provide.
Open : Pearson linear correlation - StatisticsMathematicsEveryday life
Sample size for a proportion
Sample size for a proportion: calculate a transparent estimate from the values and assumptions you provide.
Open : Sample size for a proportion - StatisticsMathematicsEveryday life
Margin of error for a proportion
Margin of error for a proportion: calculate a transparent estimate from the values and assumptions you provide.
Open : Margin of error for a proportion - StatisticsMathematics
Linear interpolation
Linear interpolation: calculate a transparent estimate from the values and assumptions you provide.
Open : Linear interpolation - StatisticsMathematics
2 × 2 matrix inverse
2 × 2 matrix inverse: calculate a transparent estimate from the values and assumptions you provide.
Open : 2 × 2 matrix inverse - Business and financeMathematicsEveryday life
Customer acquisition cost
Customer acquisition cost: calculate a transparent estimate from the values and assumptions you provide.
Open : Customer acquisition cost - Business and financeMathematicsEveryday life
Simplified customer lifetime value
Simplified customer lifetime value: calculate a transparent estimate from the values and assumptions you provide.
Open : Simplified customer lifetime value - Business and financeMathematicsEveryday life
Revenue growth rate
Revenue growth rate: calculate a transparent estimate from the values and assumptions you provide.
Open : Revenue growth rate - Business and financeMathematicsEveryday life
Cash runway estimator
Cash runway estimator: calculate a transparent estimate from the values and assumptions you provide.
Open : Cash runway estimator - Business and financeMathematicsEveryday life
Inventory turnover and days on hand
Inventory turnover and days on hand: calculate a transparent estimate from the values and assumptions you provide.
Open : Inventory turnover and days on hand - Business and financeMathematicsEveryday life
Annual straight-line depreciation
Annual straight-line depreciation: calculate a transparent estimate from the values and assumptions you provide.
Open : Annual straight-line depreciation - PhysicsMathematicsSportsEveryday life
Ideal projectile motion
Ideal projectile motion: calculate a transparent estimate from the values and assumptions you provide.
Open : Ideal projectile motion - PhysicsMathematicsEveryday life
Ideal free fall
Ideal free fall: calculate a transparent estimate from the values and assumptions you provide.
Open : Ideal free fall - PhysicsMathematicsEveryday life
Momentum and impulse
Momentum and impulse: calculate a transparent estimate from the values and assumptions you provide.
Open : Momentum and impulse - PhysicsMathematicsEveryday life
Spring force and energy
Spring force and energy: calculate a transparent estimate from the values and assumptions you provide.
Open : Spring force and energy - PhysicsMathematicsEveryday life
Specific heat energy
Specific heat energy: calculate a transparent estimate from the values and assumptions you provide.
Open : Specific heat energy - PhysicsMathematicsComputing and networkingEveryday life
Wave frequency and wavelength
Wave frequency and wavelength: calculate a transparent estimate from the values and assumptions you provide.
Open : Wave frequency and wavelength - Everyday lifeMathematicsConversions
Household water use and cost
Household water use and cost: calculate a transparent estimate from the values and assumptions you provide.
Open : Household water use and cost