Metrike rasta Calculators

Calculate your product virality (K-factor). Enter invites sent per user, conversion rate, and cycle time — see K-factor and exponential growth potential. Free.

Estimate PMF score from survey data (40% rule). Enter "very disappointed" responses from user survey — see Sean Ellis PMF score and interpretation. Free.

Calculate DAU/MAU stickiness ratio. Enter daily and monthly active users — see ratio with sticky benchmarks (Facebook 65%, WhatsApp 85%). Free.

Measure feature adoption rate after launch. Enter active users and feature users — see adoption rate with cohort comparison and adoption curve. Free.

Calculate user activation rate from signups to activated accounts. Enter signups and activations — see activation rate with improvement impact model. Free.

Identify the aha moment threshold and its correlation with retention. Enter event completion rates and 30-day retention — see correlation and optimal threshold. Free.

Calculate and track your north star metric over time. Enter metric definition, current value, and target — see growth rate and impact on revenue. Free.

Decompose revenue growth into new, retained, resurrected, and churned components. Enter cohort data — see growth breakdown and quick ratio. Free.

Model retention curve and predict long-term retained user base. Enter D1, D7, D30 retention — see curve fit and long-term retention plateau. Free.

Calculate average session depth and pages per session. Enter sessions and pageviews — see session depth with engagement quality interpretation. Free.

Measure median time from signup to first value moment. Enter user journey timestamps — see TTV distribution with optimisation levers. Free.

Calculate onboarding flow completion rate by step. Enter step entry and exit counts — see drop-off at each step with revenue impact of improvement. Free.

Calculate free trial to paid conversion rate. Enter trials started and converted — see conversion rate with benchmark comparison and revenue impact. Free.

Model freemium to paid conversion economics. Enter free users, conversion rate, ARPU, and support cost — see unit economics and required conversion rate. Free.

Calculate expansion MRR from upgrades and upsells. Enter starting MRR, upgrade rate, and average upgrade amount — see expansion MRR and NRR impact. Free.

Calculate logo (customer count) churn rate. Enter starting customers and churned customers — see monthly and annual logo churn with cohort view. Free.

Calculate gross revenue churn rate from churned MRR. Enter starting MRR and churned MRR — see gross churn rate with contraction breakdown. Free.

Model negative net revenue churn from expansion exceeding churn. Enter expansion MRR and churned MRR — see net churn and compounding growth impact. Free.

Calculate MoM and YoY SaaS growth rates with T2D3 benchmark. Enter MRR history — see growth rate with T2D3 path comparison. Free.

Calculate Burn Multiple (net burn / net new ARR) for capital efficiency. Enter monthly burn and new ARR — see Burn Multiple with David Sacks benchmarks. Free.

Calculate SaaS efficiency score (ARR / operating expense). Enter ARR and OpEx — see efficiency score with best-in-class SaaS benchmark. Free.

Calculate ARR per employee as a productivity metric. Enter ARR and headcount — see ARR per FTE with growth-stage benchmarks ($200K–$500K). Free.

Calculate sales velocity (opportunities × win rate × deal value / cycle). Enter pipeline data — see daily revenue velocity and forecast. Free.

Calculate sales win rate by stage and rep. Enter won and lost opportunities — see overall win rate with stage-by-stage conversion breakdown. Free.

Calculate ACV from bookings. Enter total contract value and contract length — see ACV with ARR conversion and deal-size distribution. Free.

Calculate average deal cycle length by segment. Enter opportunity dates — see mean cycle time with stage breakdown and forecast accuracy. Free.

Calculate composite lead score from firmographic and behavioural signals. Enter attribute weights and scores — see MQL threshold and conversion probability. Free.

Calculate MQL to SQL conversion rate. Enter MQLs generated and SQLs accepted — see conversion rate with SAL benchmark and revenue impact. Free.

Calculate average sales cycle length by deal size and segment. Enter stage durations — see total cycle time with benchmark by ACV band. Free.

Calculate sales quota attainment and team performance. Enter quota and closed revenue — see attainment percentage with OTE and commission earned. Free.

Calculate average revenue generated per lead. Enter leads and total revenue — see RPL with optimisation levers across conversion stages. Free.

Calculate blended customer acquisition cost across all channels. Enter total S&M spend and new customers — see blended CAC vs paid-only CAC. Free.

Calculate organic customer acquisition cost (content, SEO, word-of-mouth). Enter organic S&M cost and organic new customers — see organic CAC. Free.

Calculate paid customer acquisition cost from paid channels only. Enter paid spend and paid new customers — see paid CAC with channel comparison. Free.

Calculate CAC ratio (spend in period / incremental ARR). Enter S&M spend and new ARR — see CAC ratio with Bessemer benchmark (< 1.5). Free.

Calculate months to pay back CAC from gross margin per account. Enter CAC, ARPA, and gross margin — see payback period with investor benchmark (< 18 months). Free.

Calculate composite customer health score from usage, support, and engagement signals. Enter weighted inputs — see health score and churn risk probability. Free.

Calculate NRR from starting MRR, expansion, contraction, and churn. Enter cohort data — see NRR with best-in-class benchmark (> 120%). Free.

Calculate gross revenue retention (excluding expansion). Enter starting and ending MRR ex-expansion — see GRR with industry benchmark (> 85%). Free.

Model expansion revenue from upsell, cross-sell, and seat growth. Enter customer cohort and expansion rates — see expansion MRR timeline and NRR. Free.