All Calculators

Calculate VAT on prices and amounts instantly

Calculate mortgage payments and affordability

Calculate UK National Insurance contributions

Calculate employer NI on salaries and payroll

Calculate payroll, deductions, and net pay

Calculate UK Stamp Duty Land Tax

Calculate income tax and tax returns

Calculate loan payments and interest

Calculate return on investment

Calculate annuity payments, present value, and future value for UK retirement planning

Calculate percentages, find what percent one number is of another

Calculate percentage increase between two numbers

Calculate a percentage of another percentage

Find the original number from a percentage

Calculate percentage change between two values

Calculate the percentage difference between two numbers

Calculate price percentages, discounts, and markups

Calculate percentages of money amounts in GBP

Calculate the average of multiple percentages

Calculate annual percentages and APR

Calculate the difference in percentage between two values

Calculate your Body Mass Index to assess weight status

Estimate your body fat percentage

Calculate your Basal Metabolic Rate

Calculate BMR online with TDEE estimates

Calculate your macronutrient needs (protein, carbs, fats)

Calculate body fat percentage using US Navy method

Calculate your weight loss percentage

Calculate your UK bra size with accurate measurements

Advanced calculator for scientific and engineering calculations

Graph functions and visualize mathematical equations

Perform matrix operations and calculations

Solve algebraic equations step by step

Calculate the inverse of any square matrix instantly

Calculate matrix inverse with detailed step-by-step solutions

Calculate mean, median, standard deviation

Free Desmos-style online graphing calculator

Calculate your age or the age between two dates

Calculate the difference between two dates

Add, subtract, and calculate time durations

Track work hours, calculate total time worked, and manage time entries

Convert time durations to percentages and calculate time percentages

Calculate total hours worked from multiple time periods

Convert between different currencies with live exchange rates

Convert between length units (meters, feet, inches, etc.)

Convert between various measurement units

Convert between decimal, percentage, and fraction formats

Convert millimeters to inches and inches to millimeters

Convert radians to degrees and degrees to radians for angle measurements

Convert meters to feet and feet to meters instantly

Convert between Celsius, Fahrenheit, and Kelvin temperature scales

Calculate profit margin, markup percentage, and gross profit

Calculate gross profit and gross profit margin from revenue and COGS

Calculate EBITDA and EBITDA margin for business valuation

Calculate Compound Annual Growth Rate for investments and business growth

Calculate Universal Credit entitlement using current UK government rates

Calculate Child Benefit payments including High Income Child Benefit Charge

Calculate statutory maternity, paternity, and adoption pay

Estimate total construction costs for building projects

Calculate concrete volume needed for foundations and slabs

Calculate area for various shapes

Solve physics equations (Coming soon)