All-in-One SaaS & Software Calculators
100+ free calculators for ARR, MRR, Churn, CAC, LTV, and more. Quick, accurate, and built for SaaS founders, finance teams, and marketers.
From ARR to CAC, run 100+ SaaS calculators in seconds. No spreadsheets. No guesswork. Just clear numbers for smarter decisions.
Key Metrics That Define SaaS Success
Explore essential Calculators to gauge your SaaS business performance.
50%
Annual Recurring Revenue
98%
Monthly Recurring Revenue
Why Use SaaSDeco?
Free Forever – 100% free, accessible anytime.
Made for SaaS – Tools built around metrics that matter.
Fast & Accurate – Get results instantly, no spreadsheets.
Educational – Step-by-step formulas, examples, and FAQs.
Most Popular SaaS Calculators
Leverage our specialized calculators to gain insights into your SaaS business performance and make informed decisions.
ARR Calculator
Determine your annual recurring revenue with our easy tool.
MRR Calculator
Get precise monthly recurring revenue figures without hassle.
Churn Rate Calculator
Understand your churn rate to improve customer retention strategies.
CAC Calculator
Calculate how much you spend on acquiring each customer.
LTV Calculator
Discover the lifetime value of your customers with precision.
Hear from satisfied users of SaaSDeco!
The calculators on SaaSDeco are the best I’ve ever used, making complex metrics simple and understandable.
SaaSDeco made my financial analysis effortless!
Jane Doe
Founder at Startup Solutions
Latest Insights
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Why Customer Satisfaction Score (CSAT) Drives SaaS Growth
When SaaS leaders talk about growth, they often focus on MRR, CAC, or churn. But these are symptoms. The root driver is customer satisfaction. Your Customer Satisfaction Score (CSAT) is one of the most direct indicators of whether users will renew, expand, or walk away. What CSAT Really Measures in SaaS CSAT asks customers a…
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How to Measure Developer Productivity with Code Review Metrics
Measuring developer productivity is tricky. Counting lines of code or tickets closed doesn’t tell you much about impact or quality. A better way is to look at code review metrics—how fast and how well code changes move from draft to production. Done right, these metrics give you visibility into developer flow, team health, and the…
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The Impact of Bug Fix Time on SaaS Profitability
In SaaS, profitability depends on how quickly you can deliver value and keep customers happy. Bugs slow that down. Every extra day it takes to fix issues increases churn risk, reduces customer lifetime value, and drains resources that should go into product growth. Let’s look at why bug fix time—often measured as MTTR (mean time…