Business Calculators Online
Practical business calculators for VAT, margin, markup, discounts, ROI, ROAS and conversion metrics.
7 tools in this category
VAT Calculator Online
Calculate net, VAT and gross amounts for any rate.
Net to Gross Calculator Online
Convert prices between net and gross using a VAT rate.
Margin Calculator Online
Calculate profit margin from cost and selling price.
Markup Calculator
Calculate markup from cost and selling price.
Discount Calculator
Calculate combined discounts, final unit price and total savings for any quantity.
ROI Calculator
Calculate ROI, net profit, return multiple and annualized ROI for a selected period.
ROAS Calculator
Calculate ROAS and verify campaign profit after advertising, product and fulfilment costs.
What you can do here
Use business calculators when pricing products, checking campaign efficiency, comparing net and gross values or planning ecommerce margins. They are built for clear inputs, transparent formulas and quick decisions.
When to use these tools
Use business calculators when pricing products, checking campaign efficiency, comparing net and gross values or planning ecommerce margins. They are built for clear inputs, transparent formulas and quick decisions. The category is organized around tools that solve one task at a time, with direct inputs, clear results and related tools nearby for the next step.