SaaS

ARR Calculator

Annualize recurring monthly revenue to estimate annual recurring revenue.

Last reviewed: April 30, 2026Free toolMethodology

ARR Calculator

These fields start with sample inputs. Keep them or replace them, then run the tool to show a fresh result.

Number fields accept plain values and common formatted input such as 250000, 250,000, or 1,234.56.

Result

Calculating the sample result.

Why it matters

ARR is the top-line recurring revenue view many SaaS leaders use in board materials, fundraising, and annual planning.

When to use

  • Turning MRR into a yearly recurring run-rate
  • Comparing business size across SaaS peers
  • Translating monthly movement into annual impact

Inputs & Outputs

Inputs

  • Monthly recurring revenue should represent normalized recurring monthly revenue only.

Outputs

  • ARR shows the annual run-rate if the current recurring base stayed flat for a full year.
  • Quarterly recurring run-rate gives a useful shorter conversion for operating reviews.

ARR annualization

Multiply monthly recurring revenue by 12 to convert a monthly recurring run-rate into a yearly recurring run-rate.

ARR = MRR x 12

Worked example

1

Board-ready annualization

A company is currently running at 145,000 in MRR.

Inputs

  • MRR: 145,000

Steps

  • ARR = 145,000 x 12 = 1,740,000

Result

  • Annual recurring revenue is 1,740,000.

Edge cases & caveats

  • ARR is a run-rate, not a guarantee of recognized annual revenue.
  • Annualizing a volatile MRR number can overstate stability.

Frequently Asked Questions

Should one-time implementation fees be in ARR?

No. ARR should stay focused on recurring subscription or recurring contracted revenue.

Can ARR go down even if bookings are positive?

Yes. Churn and contraction can offset new bookings enough to reduce the recurring base.

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