Series A SaaS Growth Velocity (T2D3) Calculator
Simulate the legendary T2D3 hyper-growth revenue milestones from $1M ARR toward $10M+ ARR scale.
Parameters & Config
Active MRR at the start of the billing month
Monthly revenue from newly acquired signups
Additional revenue from existing customer tier upgrades and add-ons
Lost revenue from cancellations and downgrades during the month
Total MRR achieved at period end after additions and churn
Ending MRR projected over 12 months
Key Metrics & Sub-Totals
3 itemsCalculation Summary & Unit Breakdown
| Metric | Calculated Value | Notes / Logic |
|---|---|---|
| Beginning Monthly Recurring Revenue | $85000.00 | - |
| New Sign-up MRR Added | $16000.00 | New customer bookings |
| Expansion & Upsell MRR | $5000.00 | Tier upgrades |
| Churned & Lost MRR | $3200.00 | Cancellations + contractions |
| Net New Added MRR | $17800.00 | Net expansion |
| Ending Monthly Recurring Revenue | $102800.00 | Current month close |
| Annualized Run Rate (ARR) | $1233600.00 | Ending MRR × 12 |
| Net Monthly Growth Rate | 20.94% | Month-over-month |
| SaaS Quick Ratio | 6.56x | Growth vs Churn efficiency |
Overview & Methodology
T2D3 represents the benchmark revenue trajectory of venture-backed SaaS unicorns (Triple revenue from $1M to $3M ARR, Triple to $9M, Double to $18M, Double to $36M, Double to $72M+). Simulating monthly targets keeps leadership teams aligned.
Mathematical Formulation
Monthly Velocity = ((New + Expansion - Churn) / Starting MRR) × 100. Annual Run Rate (ARR) = Ending MRR × 12.Optimization Best Practices
Tripling from $1M ARR ($83k MRR) to $3M ARR ($250k MRR) requires averaging approximately 9.5% compounding growth every month.
Scale outbound sales and partner ecosystems in parallel with inbound marketing to maintain velocity as the revenue base widens.
Hire dedicated Sales Enablement leaders once your Account Executive team crosses 8 reps.
Frequently Asked Questions
Q.What does T2D3 stand for in SaaS?
T2D3 stands for Triple, Triple, Double, Double, Double—the classic revenue growth path from $1M ARR to a $100M+ ARR IPO.
Q.What monthly growth rate is required to triple ARR in one year?
Tripling annual revenue in 12 months requires a compounding monthly growth rate of approximately 9.6%.
Q.How does churn impact the ability to triple revenue?
If monthly churn is 3%, your sales team must generate 12.6% gross new MRR each month just to achieve a 9.6% net growth rate.