Smart SaaS Calculators – Instantly Simplify Your Numbers

Accurate, easy-to-use calculators for SaaS founders, marketers, and professionals. Make smarter decisions in seconds.

SaaS & Software Business Calculator

A comprehensive toolkit to calculate, analyze, and project the key metrics for your software business.

Your Business Inputs

Total Active Customers

Average Revenue Per User (ARPU) ($/month)

New Customers This Month

Churned Customers This Month

Total Sales & Marketing Spend ($/month)

Cost of Goods Sold (COGS) (% of Revenue)

Projected Monthly Growth Rate (%)

Core Revenue Metrics

Monthly Recurring Revenue (MRR)
The predictable revenue your business can expect to receive every month.

Annual Recurring Revenue (ARR)
Your MRR extrapolated to a full year. (MRR x 12).

Customer & Growth Metrics

Customer Lifetime Value (LTV)
The total revenue you can expect from a single customer account.

Customer Acquisition Cost (CAC)
The cost of winning a customer to purchase a product/service.

LTV to CAC Ratio
A crucial ratio indicating the long-term viability of your business. A 3:1 ratio is considered healthy.

0:1

Business Health

Customer Churn Rate
The percentage of customers who cancel their subscriptions in a period.

Net MRR Growth Rate
The net increase or decrease in monthly recurring revenue.

Gross Margin
The percentage of revenue left after accounting for the Cost of Goods Sold (COGS).

12-Month Revenue Projection

Month	Projected MRR	Projected ARR

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Why Professionals Choose SaaSBuffer

✅ Accurate & Reliable Formulas
✅ Free & Easy to Use
✅ Built for SaaS & Software Growth
✅ Always Expanding Tools Library

About SaaSBuffer

At SaaSBuffer, we believe numbers should empower, not overwhelm. That’s why we’ve built a growing library of SaaS and software calculators designed for founders, marketers, and professionals who need fast, accurate insights.

From revenue metrics like MRR and ARR to funnel conversion analysis and profitability planning, our tools are created to simplify complexity and help you make data-driven decisions with confidence.

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Why Users Trust SaaSBuffer

Trusted by SaaS founders & professionals worldwide

✔ Thousands of calculations run every month.
✔ Designed with real SaaS growth metrics in mind.
✔ Continuously updated with new tools and features.

💬 Testimonials

“SaaSBuffer made it so easy to calculate my funnel conversion rates. A must-have for SaaS founders!” – [Alex Mark, Startup Founder]
“Finally, a clean and reliable set of calculators built just for SaaS. It saves me hours every week.” – [Jhon , Growth Marketer]

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