A sales tax calculator will allow you calculate sales tax percentage and tax amount by entering the respective values.

Tip Calculator

This Tip calculator will allow to calculate tip per person , total bill per person and tip amount based on the minimum required value entered.

Inflation Calculator

An inflation calculator shows what will be the worth of a quantity of money after a certain period of time. It also shows what will be the worth of the same amount of money if invested.

Doubling Time

Doubling Time Calculator will calculate for how much time it will take for something for grow by 100% when it grows by some percentage % each time period. For example, if one is investing 100$ with a yearly returns of 10% one will have 200$ after 7 years and 3 months.

Margin and Markup Calculator

Margin and Markup Calculator will be helpful for your business that will measures how much of every dollar in sales you keep after paying expenses. In the margin calculation example above, you keep $0.25 for every dollar you make. The greater the margin, the greater the percentage of revenue you keep when you make a sale. For Markup Calculator is a business tool most often used to calculate your sale price. Just enter the cost and markup, and the price you should charge will be computed instantly. It can also be used to calculate the cost – in this case, provide your revenue and markup.