MRR Calculator
Calculate ending monthly recurring revenue and net new MRR from starting, new, expansion, contraction and churned MRR. Enter project-specific values and review every assumption before using the estimate.
Fill in the required fields to see your result.
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The primary result shows the main estimated capacity, current, airflow, metric or business value. Supporting outputs expose intermediate calculations.
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How to Use This Calculator
Enter the requested values using the units shown. Confirm that all inputs describe the same period, system or project.
Formula & Methodology
The calculator applies the displayed arithmetic or engineering formula directly to the entered values without silently adding hidden assumptions.
Worked example
Include only recurring subscription revenue and use a consistent normalization method for annual, quarterly and usage-based contracts.
Results depend on the entered definitions, reporting period and accounting treatment. They may omit taxes, timing differences, refunds, credits, cohort effects, nonrecurring items and contractual rules.
Educational business-planning tool only. Not accounting, tax, legal, investment or financial advice. Verify material decisions with qualified professionals and source records.
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Frequently Asked Questions
- What does the MRR Calculator calculate?
- Calculate ending monthly recurring revenue and net new MRR from starting, new, expansion, contraction and churned MRR.
- Are the results guaranteed or code-compliant?
- No. It is a planning estimate based on the values and metric definitions entered, not an audited accounting result or financial recommendation.
- Can I change the assumptions?
- Yes. The calculator exposes the main design, operating or financial assumptions so you can replace examples with project-specific values.
- Should the result be independently verified?
- Yes. Reconcile important results with contracts, billing systems, financial statements and advice from qualified accounting, finance, tax or legal professionals.
Last updated 7/21/2026