🧾 24 tools

Everyday Calculators

Quick, everyday math — splitting the bill, checking a sale, comparing prices at the store or scaling a recipe — shouldn’t need a spreadsheet. These calculators answer it in a second.

Discount CalculatorCalculate the sale price and how much you save with a percentage discount.Double Discount CalculatorWork out the real total discount when two percentage discounts are stacked.Sales Tax CalculatorAdd sales tax to a price and see the tax amount and final total.Reverse Sales Tax CalculatorBack out the pre-tax price and tax portion from a total that already includes sales tax.Tip CalculatorCalculate the tip, the total bill and each person’s share.Split Bill CalculatorSplit a restaurant or shared bill evenly, including tax and tip.Unit Price CalculatorCompare two products by unit price to find the better deal.Percent Off CalculatorFind what percentage discount you are getting from the original and sale price.Electricity Cost CalculatorCalculate how much an appliance costs to run per day, month and year.Dice RollerRoll any number of dice with any number of sides, with a fair random generator.Coin FlipFlip a fair virtual coin one or many times and see the heads/tails tally.Grade Percentage CalculatorConvert a test score into a percentage and letter grade.GPA CalculatorCalculate your GPA from course grade points and credit hours.Recipe ScalerScale every ingredient in a recipe up or down to a new number of servings.Cups to Grams CalculatorConvert cups of common baking ingredients to grams using ingredient densities.Coffee Ratio CalculatorCalculate coffee grounds and water for any brew ratio.Pizza Dough CalculatorCalculate flour, water, salt and yeast for pizza dough by baker’s percentages.Turkey Cooking Time CalculatorEstimate roasting time for a turkey by weight at 325 °F.Dog Age CalculatorConvert a dog’s age into human years using the epigenetic clock formula.Cat Age CalculatorConvert a cat’s age into human years using the AAHA/AAFP life-stage chart.Savings Rate CalculatorCalculate what percentage of your income you save each month.50/30/20 Budget CalculatorSplit take-home pay into needs, wants and savings with the 50/30/20 rule.Shoe Size ConverterConvert US men’s shoe sizes to UK, EU and centimeter sizes.Random Name PickerPick one or more random winners from a list of names.

Why use Taurang everyday calculators?

Tip, discount, sales tax, unit price, budgeting, cooking and household calculators. Each tool page includes the formula, a worked example, a chart and answers to common questions, so you understand the result as well as get it.

Tips

Stacked discounts multiply rather than add: 30% + 20% off is 44% off, not 50%.
Compare unit prices, not package prices, to find the real deal.
Bookmark the tools you use often — every page works offline once loaded.

Everyday Calculators

Why use Taurang everyday calculators?

Tips

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