Pick your calculator
22 tools across 4 categories, all free and instant.
General Math
Percentage Calculator
Calculate percentages, increase/decrease and find what % one number is of another.
Average Calculator
Find the mean, median, and mode of a set of numbers.
Random Number Generator
Generate truly random numbers within a specific range.
Percentage Increase Calculator
Find the percentage increase or decrease between two values.
GPA Calculator
Calculate your weighted grade point average on the 4.0 scale.
Finance
Loan Calculator
Calculate monthly payments and total interest for loans.
VAT Calculator
Add or remove Value Added Tax from a price.
Discount Calculator
Calculate sale price and savings.
Tip Calculator
Calculate tips and split bills easily.
Compound Interest Calculator
Calculate investment growth with daily, monthly, quarterly or yearly compounding.
Currency Converter
Convert between major world currencies using live exchange rates.
Mortgage Calculator
Monthly payment, total interest and an amortization schedule.
Sales Tax Calculator
Add or remove US sales tax, with state rates in the guide.
Hourly to Salary Calculator
Convert an hourly wage to annual, monthly and weekly pay.
Markup Calculator
Work out profit, markup and margin from cost and price.
Split Bill Calculator
Split a bill unevenly by who ordered what, with tax and tip.
Fuel Cost Calculator
Estimate trip fuel cost in US or metric units.