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Running a business means making pricing and cost decisions all the time. These free business calculators help you work out profit, margin and markup, find your break-even point, add VAT or GST to prices and total an invoice before you send it.
Margin and markup are often confused, so each calculator explains the difference and links to a guide. Use the results to price products, compare options and spot problems early. Everything runs in your browser and nothing you enter is stored.
Calculate profit from revenue and costs.
Open tool →Calculate profit margin as a percentage of revenue.
Open tool →Calculate markup based on cost and selling price.
Open tool →Find how many units you need to sell to cover fixed costs.
Open tool →Calculate VAT and a total using the rate you provide.
Open tool →Calculate GST and a total using the rate you provide.
Open tool →Calculate an invoice subtotal, tax, and total.
Open tool →Estimate net pay after deductions.
Open tool →Convert pay between hourly, daily, weekly, monthly and yearly amounts.
Open tool →Margin is profit as a percentage of the selling price; markup is profit as a percentage of cost. A 100% markup equals a 50% margin, so mixing them up can lead to underpricing.
No. VAT and GST calculators use the rate you enter, because rates and rules differ by country and change over time. Check your tax authority for the correct rate.
They are quick estimates to check numbers before you create an invoice. For official accounts and tax filings, use accounting software and professional advice.