Discount
Work out the sale price and saving.
17 tools
Everyday calculators
Choose the question you actually want answered. Each page includes plain-language input examples, a result breakdown, assumptions, Pro scenario comparison and related tools.
Age
Calculate an age in years, months and days.
Tip
Split a bill with a chosen tip percentage.
Fuel Cost
Estimate fuel needed and trip cost.
Electricity Cost
Estimate appliance electricity use and cost.
Cooking Measurement
Convert common kitchen volume units.
Recipe Scaling
Scale ingredient quantities to a different number of servings.
Subscription Cost
See monthly and yearly cost of recurring subscriptions.
Can I Afford This?
Compare a purchase with monthly disposable income and savings.
Habit Cost
Turn a daily or weekly expense into monthly and yearly cost.
Mileage
Calculate vehicle fuel efficiency from distance and fuel used.
Split Bill
Split a bill fairly after tax, tip or service charge.
Price Per Unit
Compare a package price with the amount of product you actually get.
Bulk Buy Savings
Check whether the larger pack is actually cheaper for the quantity you need.
Cost Per Use
Turn a purchase price into the amount each real use costs you.
True Purchase Cost
Add accessories, recurring fees, maintenance and resale value to see total ownership cost.
Screen Time
Turn daily screen time into full days per year and a longer-term total.