The everyday toolkit
Calculators.
A little more clarity.
Make everyday numbers a little easier. Find a calculator, get a clear answer, and get on with your work.
Ready when you are
No account neededDate Calculator
Count days between dates, add or subtract time, and plan repeating schedules.
Open calculatorPercentage Calculator
Find a percentage of a number, a percentage share, or a percentage change.
Open calculatorDiscount Calculator
Calculate your savings and the final price after a percentage discount.
Open calculatorVAT / Tax Calculator
Add tax to a net amount or extract included tax using your chosen rate.
Open calculatorLoan Payment Calculator
Estimate monthly payments, total repayments and interest for a fixed-rate loan.
Open calculatorInterest Calculator
Compare simple and compound interest with annual, quarterly, monthly or daily compounding.
Open calculatorProfit Margin Calculator
Find profit, margin and markup, or set a selling price from a target margin.
Open calculatorChoose a tool for dates, shopping, tax, borrowing, savings or pricing. Every calculator works in your browser and explains how its answer is calculated.