Scientific Calculators
A full scientific calculator plus physics, chemistry, mathematics and statistics tools with formulas, units and worked steps for students and researchers.
About Scientific Calculators
From a trigonometric expression to a molarity or a standard deviation, the OneCalc science suite shows the equation, the substitution and the result with correct significant figures and SI units.
Each tool is designed for classroom and lab use: fast on mobile, readable in dark mode and printable when you need the working on paper.
Featured Calculators
Scientific Calculator
Full expression calculator with trig and logs
Molarity Calculator
Concentration from mass, molar mass and volume
Projectile Motion
Range, height and time of flight from launch data
Standard Deviation
Population and sample spread with full working
Categories
Scientific Calculator
Trigonometry, logarithms, powers, roots and memory functions
Physics Calculators
Kinematics, force, energy, optics, waves and electricity
Chemistry Calculators
Molar mass, molarity, dilution, pH and gas laws
Mathematics Calculators
Algebra, geometry, matrices, calculus and number theory
Statistics Calculators
Mean, median, standard deviation, regression and probability
Popular Calculators
Recently Added
Frequently Asked Questions
Explore what is live today
While these tools are being built, use the converters and engineering suites already available on OneCalc.