Recurring-business glossary

What is ARR?

Annual recurring revenue as an annualised commercial run-rate metric - not a synonym for annual invoices or cash.

In brief

Annual recurring revenue (ARR) is a commercial metric that expresses eligible recurring contract value on an annualised basis at a stated date. A common method is eligible monthly recurring value multiplied by twelve, or annual contract value normalised under the same policy. ARR needs explicit inclusions, exclusions and currency treatment and is not itself a statutory accounting result.

01

How is ARR calculated?

When a business has a consistent MRR definition, a common calculation is MRR multiplied by twelve. Alternatively, annualise each eligible active recurring contract and add the results. Both paths should reconcile when they use the same definitions and reference date.

ARR is a run-rate view rather than a forecast of exactly what will be invoiced or collected over the next twelve months. Contract changes, cancellations, currency movements and usage can alter the future result.

  • ARR = eligible MRR × 12 under a consistent policy.
  • Or add annualised eligible active contracts.
  • State the reference date and currency basis.
  • Do not present the run rate as guaranteed future cash.

See the monthly view in MRR.

02

What should ARR include?

Include recurring contract value that meets the business’s stated policy. Exclude one-off implementation, consulting, hardware, reimbursable expenses and other amounts that do not recur by agreement. Define the treatment of discounts, free periods, pauses and variable quantities.

Consistency matters more than choosing the largest possible total. A reader should be able to trace the published value to eligible contracts and reproduce the calculation.

  • Recurring base charges
  • Defined recurring add-ons
  • Explicit discount treatment
  • One-off items kept separate

Understand contract billing in subscription billing.

03

ARR versus MRR, bookings and annual invoices

MRR expresses the recurring run rate monthly; ARR expresses it annually. Bookings describe signed commercial commitments under a separate definition. Annual invoicing describes billing cadence, while cash describes payment events.

An annual invoice may include a one-off service that does not belong in ARR. A multi-year booking may not all enter the current annualised run rate. Keep each term tied to the decision it supports.

  • ARR: annualised recurring run rate.
  • MRR: monthly-normalised recurring run rate.
  • Bookings: contracted commitments under a stated definition.
  • Invoices and cash: operational billing and payment events.

Review repeat schedules through recurring billing.

04

Worked example: build ARR from MRR

Assume eligible monthly-normalised amounts of $1,500, $2,000 and $2,500 across three customers. Total MRR is $6,000. Multiplying by twelve gives illustrative ARR of $72,000.

A separate $8,000 onboarding project is excluded under this definition. If one customer’s $2,000 amount ends next month, the current point-in-time ARR still requires an effective-date explanation rather than an assumption that the same value is guaranteed all year.

  • Eligible MRR: $6,000
  • Annualisation: × 12
  • Illustrative ARR: $72,000
  • One-time onboarding: excluded

Apply the narrow service-led context in SaaS billing.

05

How should ARR be governed?

Assign a metric owner, preserve the source contracts and effective dates, use one currency method and reconcile movements between reporting dates. Definition changes should be documented and historical comparisons restated or clearly qualified.

ARR can support planning and commercial analysis, but it should not be used to make an unsupported valuation, accounting or customer-outcome claim. Publish enough method that another reviewer can reproduce the number.

  • Definition and owner
  • Source and effective date
  • Currency method
  • Movement reconciliation
  • Change log for policy updates

Keep commercial metrics separate from the billing operations.

Continue in context

Glossary.

Common questions

Clear answers without the detour.

What does ARR stand for?

ARR stands for annual recurring revenue. It is an annualised commercial run-rate metric for eligible recurring contract value at a stated date. The business should publish its inclusion, normalisation, discount and currency rules with the number. ARR is not simply all invoices raised in a year, all signed bookings, cash collected or a statutory accounting result.

How do you calculate ARR from MRR?

Under a consistent definition, multiply eligible MRR by twelve. For example, $6,000 of monthly-normalised recurring value produces illustrative ARR of $72,000. The result is only comparable when both metrics use the same active-customer, discount, pause, credit and currency policies. It represents a point-in-time annualised run rate, not guaranteed future billing or payment.

Should annual one-time invoices be included in ARR?

No, not merely because an item was billed annually. ARR is intended to capture eligible recurring contract value. A one-time implementation, consulting project or reimbursable expense remains one-off even when it appears on an annual invoice. Conversely, an eligible monthly contract can contribute to ARR after annualisation. Classification follows the commercial agreement and stated policy, not invoice cadence alone.

What is the difference between ARR and bookings?

ARR expresses eligible active recurring value on an annualised run-rate basis. Bookings usually describe signed commitments under a separate commercial definition and may include future periods, multiple years or one-off items. The measures answer different questions. Keep the contract date, effective period, inclusion rules and movement categories visible rather than treating every signed amount as current ARR.

Can ARR be used as an accounting total?

ARR is generally a management and commercial metric, not a substitute for designated accounting records or policy conclusions. It normalises recurring contract value and may differ from invoices, receivables, cash and amounts reported in financial statements. Reconcile its source data, but keep the metric’s method and purpose explicit so an operational billing view is not mistaken for the ledger.