Tip Calculator
Calculate a tip, total bill and split amount per person quickly.
Open ToolFree Online Calculators
Use BestBlog calculators to handle common calculations quickly without opening a spreadsheet or working everything out by hand. This hub includes money calculators, date tools, salary and work calculators, health checks and useful everyday number tools.
Browse Calculators
This category currently includes 26 free tools. Use the grouped sections below to find what you need quickly.
Money & Business
Back to top ↑Salary Calculator
Estimate your UK take-home pay after tax, National Insurance, pension and student loan deductions.
Open ToolVAT Calculator
Add or remove VAT quickly for UK prices, invoices and quotes.
Open ToolPercentage Calculator
Calculate percentages, increases, discounts and changes.
Open ToolMortgage Calculator
Estimate monthly mortgage payments quickly.
Open ToolLoan Calculator
Calculate rough loan repayments and total interest.
Open ToolProfit Margin Calculator
Calculate profit, margin and markup for products or services.
Open ToolFuel Cost Calculator
Estimate trip fuel costs based on distance and efficiency.
Open ToolDiscount Calculator
Calculate sale discounts, final prices and savings from an original price and discount percentage.
Open ToolMarkup Calculator
Calculate markup percentage, selling price and profit from your cost price and target markup.
Open ToolSplit Bill Calculator
Split a bill between people and calculate each person’s share, including optional tip.
Open ToolHourly To Salary Calculator
Convert hourly pay into weekly, monthly and yearly salary estimates.
Open ToolSalary To Hourly Calculator
Convert yearly salary into hourly, weekly and monthly pay estimates.
Open ToolSavings Goal Calculator
Calculate how much to save each month to reach a savings goal by your target date.
Open ToolUnit Price Calculator
Compare prices by unit, weight, volume or quantity to see which option is better value.
Open ToolElectricity Cost Calculator
Estimate electricity running costs from wattage, usage time and price per kWh.
Open ToolBreak-Even Calculator
Calculate how many sales you need to cover fixed costs and break even.
Open ToolPrice Percentage Change Calculator
Calculate the percentage increase or decrease between an old price and a new price.
Open ToolDates & Time
Back to top ↑Days Between Dates Calculator
Calculate how many days are between two dates.
Open ToolAge Calculator
Work out your exact age in years, months and days.
Open ToolWork Hours Calculator
Calculate total work hours from start time, end time and unpaid break length.
Open ToolTime Duration Calculator
Calculate the time difference between two times, including overnight durations and breaks.
Open ToolWeeks Between Dates Calculator
Calculate the number of weeks, days and total days between two dates.
Open ToolCountdown Calculator
Calculate how many days, weeks, months and years are left until a future date.
Open ToolAverage Calculator
Calculate the average, total, count, minimum and maximum from a list of numbers.
Open ToolHealth & Everyday
Back to top ↑BMI Calculator
Calculate body mass index using height and weight.
Open ToolFree, Fast And Browser-Based
BestBlog tools run directly in your browser and are designed to work on phones, tablets and desktop computers. No account or download is required.