Everyday Calculators

The quick math of daily life: tipping and splitting a bill, percentages and discounts, what a trip or an appliance costs to run, the exam score you need, and dates — ages, gaps between dates, and what date it is 90 days from now.

• Tip CalculatorWork out the tip, the total bill, and each person's share when splitting.
• Coin Counter Calculator (US)Count a pile of US coins into dollars: enter how many quarters, dimes, nickels and pennies you have.
• Words to Minutes — Speech Time CalculatorHow long a speech or presentation takes to deliver, from its word count and your speaking pace.
• Percentage CalculatorWork out what X% of a value is — discounts, tips, statistics, anything.
• Percentage Change CalculatorThe percentage increase or decrease from one value to another.
• Discount CalculatorSee the sale price and how much you save from a percentage discount.
• Fuel Cost CalculatorThe fuel cost of a trip from distance, consumption (L/100km) and fuel price.
• Electricity Cost CalculatorWhat an appliance costs to run, from its wattage, daily use and your electricity price.
• Final Grade CalculatorWhat score do you need on the final exam to reach your target grade?
• Age CalculatorYour exact age in years, months and days — and your total days alive.
• Days Between Dates CalculatorCount the days, weeks and calendar months between any two dates.
• Date Calculator — Add or Subtract DaysWhat date is 90 days from today? Add or subtract days, weeks, months or years from any date.