# Calculators

## [Marketing spend calculator](/content/calculators/advertising-marketing-calculator/index.html)

Calculate the amount to allocate to your marketing budget

## [ROAS calculator for product businesses](/content/calculators/roas-calculator-for-product-businesses/index.html)

Calculate your return on advertising spend (ROAS) for online and product-based businesses

## [ROAS calculator for service businesses](/content/calculators/roas-calculator-for-service-businesses/index.html)

Calculate your return on advertising spend (ROAS) for service-based businesses