Complete MRR bridge
Starting, new, expansion, reactivation, contraction, and churned MRR reconcile into one ending value.
MRR Calculator
Reconcile monthly recurring revenue from starting MRR through acquisition, expansion, recovery, downgrades, and churn.
See exactly what changed monthly recurring revenue
Gross loss stays visible
Gross MRR churn sits beside NRR, so expansion cannot hide downgrades and cancellations.
Safe zero-base rates
When starting MRR is zero, churn and NRR show N/A instead of 0%, Infinity, or NaN.
Reconcile ending MRR from every movement
Ending MRR equals starting MRR plus new, expansion, and reactivation MRR, minus contraction and churned MRR.
Net new MRR is the same movement total without starting MRR. It can be negative when recurring losses exceed gains.
Gross MRR churn and NRR answer different questions
Gross MRR churn divides contraction plus churned MRR by starting MRR. Positive expansion never offsets this loss rate.
NRR measures the starting and recovered base after expansion, contraction, and churn. New MRR is acquisition, so it is excluded.
Keep one-time revenue outside MRR
Choose a monthly, quarterly, or annual input basis. The calculator normalizes every recurring value to a monthly amount before building the bridge.
Exclude setup fees, services, hardware, taxes, refunds, bookings, cash receipts, and uncommitted usage. MRR is an operating metric, not accounting revenue.
What belongs in monthly recurring revenue
MRR includes active recurring subscription value normalized to one month. Quarterly values divide by 3, and annual values divide by 12.
Do not include setup fees, professional services, hardware, taxes, refunds, bookings, or cash collections. Those amounts do not represent repeatable monthly subscription value.
Use one definition for each MRR movement
New MRR comes from first-time paying customers. Expansion comes from upgrades or more committed usage. Reactivation comes from previously churned customers returning.
Contraction is a downgrade or reduction while a customer remains active. Churned MRR is the full recurring value lost when a customer cancels.
Read gross churn and retention together
Gross MRR churn exposes recurring losses before gains offset them. NRR shows what happened to the starting and recovered customer base after expansion and losses.
This calculator excludes new MRR from NRR and includes reactivation MRR. Definitions vary between billing systems, so document one policy and use it consistently.
How to reconcile MRR each month
Use one calendar period, one currency, and one recurring-revenue policy for every movement.
MRR calculator FAQ
Direct answers about MRR movements, normalization, zero denominators, one-time revenue, and local calculation.
How do you calculate ending MRR?
Starting MRR + New MRR + Expansion MRR + Reactivation MRR − Contraction MRR − Churned MRR. Every movement must use the same period and currency.
What is net new MRR?
Net new MRR is new + expansion + reactivation − contraction − churned MRR. Add it to starting MRR to reach ending MRR.
Why is new MRR excluded from NRR?
NRR measures revenue retained or expanded from the starting and recovered customer base. First-time customer revenue is acquisition, not retention.
What happens when starting MRR is zero?
Ending and net new MRR still calculate, but gross churn and NRR are N/A because there is no valid denominator. The calculator never shows 0%, Infinity, or NaN for this case.
What is the difference between contraction and churned MRR?
Contraction is recurring revenue lost when an active customer downgrades or reduces committed usage. Churned MRR is lost when the customer cancels completely.
How are annual or quarterly subscriptions converted to MRR?
Select the common input basis. Quarterly recurring amounts are divided by 3 and annual recurring amounts by 12 before the movement bridge is calculated.
Should one-time fees be included in MRR?
No. Exclude setup fees, services, hardware, taxes, and other non-recurring charges. MRR should contain normalized recurring subscription value only.
Does the calculator store my revenue data?
No. The calculation runs locally in your browser and does not upload or persist the figures you enter.
A NEXT STEP FOR YOUR PRODUCT
MRR is a signal. Decide what to do next.
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Turn one revenue signal into a focused next move
- 01Revenue signalMRR and ARR
- 02Product contextYour product and goals
- 03Reviewable workA focused growth question