Free Online Calculators

Stop guessing. Start measuring. CalcFuel gives you instant answers on ROI, ROAS, email metrics, social media performance, and more — all free, no sign-up required.

✉️ Email Marketing 💰 Financial & ROI 📱 Social Media

✉️ Email Marketing

View all →

Email Open Rate Calculator

Calculate your email open rate from opens and deliveries.

Calculate now →

💰 Financial & ROI

View all →

Marketing ROI Calculator

Measure the return on your marketing investment.

Calculate now →

ROAS Calculator

Calculate your Return on Ad Spend instantly.

Calculate now →

Ad Spend Calculator

Plan your ad budget: clicks, leads, revenue, and ROI.

Calculate now →

📱 Social Media

View all →

Social Media ROI Calculator

Measure the ROI of your social media ad spend.

Calculate now →

Want AI-powered marketing for your business?

CalcFuel is built by the team at MarketingAI — helping Australian businesses grow with AI-assisted marketing strategies.

Learn About MarketingAI →