Financial and math calculators online
Simple and compound interest, annuities, mortgages, linear algebra. Instant calculation in your browser, no sign-up required.
Browse all calculators →Personal finance
Nine calculators: simple and compound interest, equivalent rates, future and present value of an annuity, break-even point, ROI and savings goal.
Go to Personal finance →Mortgages
Constant instalment, amortization schedule with a principal/interest chart, and a capital-versus-term comparison table.
Go to Mortgages →Business studies
VAT and its removal, asset depreciation, financial ratios, markup and proportional allocation.
Go to business studies →Mathematics
Percentages, descriptive statistics, fractions and first- and second-degree equations, with the working shown and instant results.
Go to Mathematics →Linear algebra
Matrices and vectors, determinant and inverse, systems of linear equations, eigenvalues and eigenvectors.
Go to Linear algebra →Geometry
Perimeter and area of plane figures, volume and surface of solids: nine figures and seven solids with every derived measurement.
Go to Geometry →Analytic geometry
Distance between two points, midpoint and the line through two points, with gradient and equation.
Go to analytic geometry →Physics
Kinematics, energy, electromagnetism, waves and optics, fluid statics and dynamics, calorimetry and thermodynamics.
Go to physics →Chemistry
Moles, molar mass, concentrations and dilutions, ideal gases and the pH scale.
Go to chemistry →Computer science
Conversion between number bases and Boolean algebra, with truth tables.
Go to computer science →Converters
Units of measurement: length, mass, area, volume, temperature, speed, time, digital data, energy and pressure.
Go to Converters →