Business & Finance
Free business calculators for pricing and everyday finance
Calculate VAT, percentages, discounts, margins, markup and salary estimates with fast browser-based tools. These calculators help with product pricing, invoices, promotions and practical business decisions.
Available business calculators
VAT Calculator
Add or remove VAT at 22%, 10% and 4%.
VAT Reverse Calculator
Find the net price and VAT amount from a VAT-inclusive gross amount.
VAT Removal Calculator
See how much VAT is embedded in a VAT-inclusive price and calculate the net amount.
Percentage Calculator
Calculate percentages, discounts, increases and decreases.
Margin Calculator
Calculate profit and margin from cost and selling price.
Markup Calculator
Calculate percentage markup from product cost.
Net Salary Calculator
Estimate monthly take-home pay from gross annual income.
Inverse Discount Calculator
Find the original price from a discounted price and discount percentage.
Compound Interest Calculator
Simulate investment growth with average annual return and monthly contributions.
Crypto Profit Calculator
Calculate crypto gains, losses and ROI for Bitcoin, Ethereum and other crypto assets.
ROI Calculator
Calculate return on investment, net profit and annualized ROI.
AI Cost Calculator
Estimate AI model API costs from tokens and daily request volume.
Mortgage Calculator
Calculate mortgage monthly payments, total interest and yearly amortization schedule.
Useful calculators for pricing, margins and financial decisions
Business calculations often need to be quick and repeatable: adding or removing VAT, checking profit margins, comparing markup, estimating discounts or understanding salary figures. CalcolaFacile keeps these everyday calculations simple, clear and easy to reuse.