Calculator Tools Scientific Calculator Calculate common scientific functions, powers, roots, logarithms, and trigonometric values locally.
Calculator Tools Loan Calculator Estimate fixed monthly payments and total interest for a fixed-rate loan.
Calculator Tools Compound Interest Calculator Estimate future value with periodic compounding and regular contributions.
Calculator Tools Simple Interest Calculator Calculate simple interest and total amount from principal, rate, and time.
Calculator Tools Discount Calculator Calculate a sale price and savings from an original price and discount rate.
Calculator Tools Fuel Cost Calculator Estimate trip fuel use and cost from distance, efficiency, and fuel price.
Calculator Tools Electricity Cost Calculator Estimate electricity cost from power, usage time, days, and unit price.
Calculator Tools Percentage Change Calculator Calculate the relative percentage increase or decrease between two values.
Calculator Tools Average Calculator Calculate count, sum, mean, median, and range from a list of numbers.
Calculator Tools Weighted Average Calculator Calculate a weighted average from lists of values and weights.
Calculator Tools Ratio Calculator Simplify a positive integer ratio using the greatest common divisor.
Calculator Tools Salary Calculator Convert gross pay from hourly, weekly, biweekly, monthly, or annual periods into annual, monthly, and hourly equivalents.
Calculator Tools Mortgage Calculator Estimate a fixed-rate mortgage payment plus user-entered property tax, insurance, and HOA costs.
Calculator Tools Loan Amortization Calculator Calculate fixed monthly payments and a complete monthly principal, interest, and balance schedule.
Calculator Tools Investment Return Calculator Calculate total and annualized return from initial and ending values over a stated period; not investment advice.
Calculator Tools Currency Profit Calculator Estimate currency exchange profit or loss using entered buy and sell rates and a selling fee.
Calculator Tools Tax Calculator Calculate a custom tax amount and total from a user-entered rate, either added to a subtotal or extracted from a tax-inclusive amount.
Calculator Tools Commission Calculator Calculate commission and total earnings from sales and a rate.