Free calculators for everyday money decisions

Work out a tip, a sales tax, a discount, your BMI, overtime pay or a trip fuel cost in seconds. No sign-up, and nothing you type leaves your device.

• BMI CalculatorCheck your body mass index from weight and height.
• Age CalculatorFind your exact age in years, months and days.
• Gas Cost CalculatorFuel needed and cost of any trip.
• Profit/Loss CalculatorFind your profit or loss amount and percentage.
• Overtime Pay CalculatorRegular, overtime and total pay for the week.
• Tip CalculatorSplit a bill and work out the tip.
• Percentage CalculatorFind a percent of a number, add or subtract it.
• Sales Tax CalculatorAdd sales tax to any price.
• Hourly to Salary CalculatorTurn an hourly wage into yearly, monthly and weekly pay.
• Discount CalculatorFinal price after one or two discounts.

Simple, private and free

Every calculator on Free Calculator USA runs in your browser, so the numbers you enter are never sent to a server. Each page explains the formula and includes a worked example, so you can check the result and understand how it was reached.

These tools give estimates based on the numbers you provide. For important financial or health decisions, confirm the details with a qualified professional.