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Everyday money

Percentages, discounts, bill splitting and other quick everyday math.

Percentage

Work out X% of an amount, increases and discounts, the change between two values, the price before a discount and successive percentages.

Discounts, increases, change and compounding

Split expenses

Split expenses equally, by income or from a list of who paid what, and settle up with the fewest transfers.

Who owes whom, equal or by income

Road trip cost

Work out the cost of a road trip with fuel, tolls, parking and wear and tear, how much each person pays, and compare gasoline, diesel, CNG and electric.

Fuel, tolls and cost per person

Foreign exchange fees

Compare what a purchase in a foreign currency costs by card, debit, multi-currency account or cash, with markups and fees.

Markup, card fees, cheapest method

Business days between dates

Count calendar days and business days between two dates, add or subtract business days and edit the holiday list.

Calendar days, business days, deadlines

Tip and split the bill

Work out the tip, tax and each person’s share of a restaurant bill, with rounding up to the next dollar.

Tip, tax and each person’s share

Appliance energy cost

Calculate the kWh and cost of each appliance on your electric bill, with a catalog of common appliances and your rate.

kWh and cost of each appliance

Unit price

Compare up to 4 packages by price per ounce, pound or item, with multi-buy deals, and check whether a product shrank and how much more it really costs.

Compare sizes and spot shrinkflation

Also useful

Late fee and interest

Work out an overdue bill with a late fee, daily or compound late interest and an optional inflation adjustment, from dates or days late.

Overdue bill: fee, interest and adjustment

Miles, points and cash back

Work out what your miles are worth on a redemption, whether buying points pays off and whether a points card beats cash back after the annual fee.

Value per mile, miles vs. cash back

Other groups in Personal finance

Goals, debt & inflationPurchases, credit & carsHome buying & real estate