SimpleProfitCalc.com

Free Percentage, Profit & Business Calculators

Sixteen fast, accurate tools for everyday maths and business decisions — percentages, discounts, margins, markup, break-even and VAT worked out instantly.

  • Instant results as you type
  • Works on any device
  • No sign-up, no data stored

Percentage Calculators

7 tools
Percentage CalculatorFind a percentage of a number, what percent one number is of another, or the whole from a part.Percentage Increase CalculatorWork out the percentage increase between two values, or add a percentage to a number.Percentage Decrease CalculatorWork out the percentage decrease between two values, or reduce a number by a chosen percentage.Percentage Between Two NumbersWork out what percentage one number is of another, with the difference shown.Percentage Change CalculatorWork out the percentage change between two values — increase or decrease — in one step.Price Increase CalculatorIncrease a price by a percentage, or find the percentage increase between two prices.Average to Percentage CalculatorConvert an average score or grade into a percentage out of a maximum.

Discount Calculators

2 tools
Discount CalculatorWork out the sale price after a percentage discount and exactly how much you save.Percent Off CalculatorWork out the price after a percent off, or find what percent off a reduced price is.

Profit & Margin Calculators

6 tools
Profit CalculatorWork out profit per unit and total profit from your cost and selling prices.Profit Margin CalculatorWork out your profit margin, or the price you need to charge to hit a target margin.Markup CalculatorWork out a selling price from cost and markup, or the markup on an existing price.Gross Profit CalculatorWork out gross profit and gross margin from revenue and cost of goods sold.Cost Price / Selling Price CalculatorFind the selling price from cost and profit %, or the cost price from selling price and profit %.Break-Even CalculatorWork out how many units you need to sell to cover your fixed costs.

VAT Calculator

1 tool
VAT CalculatorAdd VAT to a net price or remove VAT from a gross price at any UK VAT rate.

Guides & explanations

All guides

Plain-English guides to the maths behind the calculators — formulas, worked examples and practical use cases.

How to Calculate ProfitProfit Margin vs MarkupGross Profit ExplainedHow to Calculate Percentage Increase

Why SimpleProfitCalc?

Built for speed.Every result updates as you type — no submit buttons, no page reloads, no waiting.

The full working shown.Each calculator shows the formula it used, so you can check the maths, not just the answer.

Made for business.Profit, margin, markup and VAT tools use UK conventions and pounds sterling throughout.