MRR Forecast Calculator
Forecast monthly recurring revenue and annual run rate from your current MRR, growth and churn.
- Free
- No sign-up to try
- Works as you type
Subscription revenue forecast
MRR after those months
$64,041
Annual run rate then
$768,495
- MRR after n months = MRR now × (1 + growth − churn)ⁿ, with growth and churn as monthly rates.
- Annual run rate = that MRR × 12.
Free, no sign-up to try. Save it as a live calculator you can share; an estimate from the numbers you enter, not financial advice. Check the result against your own records before you rely on it.
How it works
How the MRR Forecast Calculator works
- 1
Enter your numbers
Every result updates as you type, with the formula shown under it.
- 2
Check the method
See how each number is worked out and what it assumes.
- 3
Save it as a Room
Share a live calculator: others can change the numbers and see the result update.
Worked example
What it makes
Example inputs
- Monthly recurring revenue now
- $40,000
- New MRR growth per month
- 6 %
- MRR churn per month
- 2 %
- Months ahead
- 12
Results
- MRR after those months
- $64,041
- Annual run rate then
- $768,495
How it's calculated
- MRR after n months = MRR now × (1 + growth − churn)ⁿ, with growth and churn as monthly rates.
- Annual run rate = that MRR × 12.
- Assumes: Growth and churn stay at the same monthly rates for the whole period.
An estimate from the numbers you enter, not financial advice. Check the result against your own records before you rely on it.
Who it's for
Who uses it
SaaS founders
Show the board what a churn change is worth.
Finance
A quick model next to the full one.
Investors
Test a company's plan with your own assumptions.
Good to know
What to consider
- Growth and churn are held constant for the whole period.
Questions
About the MRR Forecast Calculator
Should growth include expansion revenue?
Use net new MRR growth from new and expanding customers, and MRR churn from cancellations and downgrades.
Can I share the calculator with my team or a client?
Yes. The Room keeps the calculator live: anyone with the link can change the numbers and see the result update, with the method and assumptions on the same page.
Make your calculator now
Free, no sign-up to try. It becomes a Room you can edit, publish and share.
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