Calculators tools
A focused collection of free calculators utilities designed for quick, practical use.
- Percentage Calculator — Calculate percentages, increases, decreases and ratios.
- Discount Calculator — Find sale price and savings from an original price and discount.
- Loan EMI Calculator — Calculate monthly payments, total interest and total paid.
- Compound Interest Calculator — Calculate growth with recurring compounding.
- Age Calculator — Calculate age from a date of birth.
- BMI Calculator — Calculate body mass index from height and weight.
- Tip Calculator — Calculate tips and split bills between people.
- Loan Payoff Calculator — Estimate payoff time from balance, payment and interest.
- Ratio Calculator — Solve simple ratios quickly.
- Unit Converter — Convert length, weight and temperature units.
- Fraction Calculator — Add, subtract, multiply and divide fractions.
- Random Number Generator — Generate random integers within a range.
- Basic Calculator — A clean calculator with a keypad, brackets, percentages and keyboard support.
- GST / VAT Calculator — Add tax to a price or remove tax from a total, with the tax amount shown separately.
- Profit Margin Calculator — Work out profit, margin and markup, or find the price needed for a target margin.
- Simple Interest Calculator — Calculate simple interest and the total amount for a principal, rate and time.
- Percentage Change Calculator — Find the percentage increase or decrease between two values.
- Average & Statistics Calculator — Mean, median, mode, range and standard deviation for a list of numbers.
- Fuel Cost Calculator — Estimate fuel needed and trip cost from distance, efficiency and fuel price.
- Salary to Hourly Converter — Convert pay between hourly, daily, weekly, monthly and yearly amounts.
- Roman Numeral Converter — Convert numbers to Roman numerals and Roman numerals back to numbers.
- Data Storage Converter — Convert between bits, bytes, KB, MB, GB, TB and binary units like GiB.