Money Calculators

Everyday money math — what you pay, what you save, and what you earn — with the formulas shown so you always know why.

Find sale price and total savings.

Calculate the tip, total and each share.

Add tax or remove it from a total.

Compare profit with price and cost.

Calculate earnings from sales and rate.

Guides in money

Turn a posted tax rate into the tax amount and final total — or work backward when the tax is already included.

Mental shortcuts for common tip rates, plus a dependable way to calculate the total and divide a bill.