ARR Calculator – Free Online Tool

Enter your figures

Calculate your result

Runs in your browser

Estimate only. Platform fees, taxes and policies vary by country, account, category and date. Verify important decisions against your current statement or official fee schedule.

Monthly Recurring Revenue —

Annual Recurring Revenue —

Previous Arr —

Annual Growth Rate —

Calculator guide

Calculate ARR without mixing recurring and one-time revenue

ARR represents recurring subscription revenue on an annualized basis. Enter current MRR and the comparable previous ARR using the same customer, product, currency and revenue-recognition scope.

The calculator multiplies current MRR by 12 and compares the result with previous ARR. This is a run-rate view, not a promise that every customer will remain active for the next twelve months.

Exclude nonrecurring setup fees, professional services and hardware unless your documented policy treats them as recurring. Normalize monthly, quarterly and annual contracts before combining them.

Use ARR alongside churn, net revenue retention, gross margin and cash collections. ARR growth alone can hide discounting, poor retention or unprofitable customer acquisition.

Formula

Calculate ARR without mixing recurring and one-time revenue

ARR = MRR × 12; ARR growth = (Current ARR − Previous ARR) ÷ Previous ARR × 100

Confirm current MRR uses a documented recurring-revenue policy.
Multiply MRR by twelve.
Subtract previous ARR from current ARR.
Divide by previous ARR to calculate the growth rate.

Worked example

Inputs

Scenario: $25,000 MRR produces $300,000 ARR. Compared with $240,000 previous ARR, annual growth is 25%.

Results

Result: $25,000 MRR produces $300,000 ARR. Compared with $240,000 previous ARR, annual growth is 25%.

Rounded values; replace assumptions in the live calculator.

Frequently asked questions

ARR Calculator FAQ

What should I verify before using this metric?

Verify the time period, population, currency, attribution and revenue or cost definition. Save those assumptions with the report so future comparisons use the same scope.

How accurate is the result?

The arithmetic follows the displayed formula. Accuracy depends on using complete inputs from the same reporting period and applying one consistent definition to customers, revenue and costs.

Can I use another currency?

Yes. Keep every monetary input in the same currency. Ratios and percentages remain comparable, but the calculator does not perform foreign-exchange conversion.

Should I use gross or net revenue?

Use the revenue definition that matches your reporting purpose and keep it consistent across periods. Document whether discounts, refunds, credits and taxes are included.

Why should I compare several periods?

A single month can be distorted by seasonality, annual renewals, campaigns or one-off contracts. Compare a consistent monthly or quarterly series before making a decision.

Is this an accounting standard?

No. It is an independent planning tool. Reconcile the result with your billing platform, analytics system and financial reporting policies.

Are my inputs uploaded?

No. Calculations run locally in the browser and do not require sending calculator inputs to a server.

Primary sources