Calculators

Percentage, VAT, interest, margin and ROI calculators for everyday use.

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Calculate percentages, changes and ratios instantly.

Add or remove VAT from any price instantly.

Calculate gross profit margin, markup and revenue.

Calculate return on investment for any project or campaign.

Calculate your ideal freelance or contractor hourly rate.

Calculate net profit, gross profit, and profit margin.

Calculate a tip and split the bill between multiple people.

Find the final price after a percentage or fixed discount.

Calculate the fuel cost of any trip from MPG and fuel price.

Calculate how many units you need to sell to break even.

Calculate the number of days, weeks, and months between two dates.

Calculate your exact age in years, months, days, and more.

Calculate the simplified aspect ratio and scale dimensions proportionally.

Calculate percentage increase, decrease, or apply a % change to a value.