Guides & Articles

The questions a calculator can’t answer on its own — written only where we can point at who says so.

Tipping on a Discounted Bill: Before or After the Coupon?

Your server did the same work whether or not you had a voucher. That argument is real — and it is still not ...

The States Where Restaurant Meals Aren’t Taxed Like Everything Else

In several states the tax on your dinner is not the state sales tax. Two of them have no sales tax at ...

More calculators & guides

Guides & ArticlesThe questions a calculator can’t answer on its own — written only where we can point at who says so.Tip CalculatorTake the guesswork out of tipping with Tip Calculator! Online and free! Estimate gratuities, split bills, and total payments quickly and accurately!Split Bill CalculatorEveryone ordered something different? Tax and tip shared out in proportion.Sales Tax CalculatorAdd or strip sales tax from any amount.Discount CalculatorWhat you save, and what you actually pay.Do You Tip on Tax?We read the IRS’s own tipping publication end to end, and the Emily Post Institute’s most recent word on tipping. Neither one answers this. Here is what the difference actually costs.Automatic Gratuity: Not a Tip, and It Raises Your TaxThe IRS settled in 2012 that an automatic gratuity is not a tip at all. One consequence almost no calculator models: where the charge is mandatory, it makes your sales tax go up too.