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Free SaaS tools

Free tools & calculators.

Analyze your SaaS metrics with our free calculators. Understand your revenue ceiling, acquisition efficiency, and customer lifetime value. No signup required.

01 Revenue

Maximum MRR Calculator

Find your SaaS revenue ceiling. See how high your MRR can realistically grow based on your current churn rate.

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02 Acquisition

CAC Payback Calculator

Calculate how many months until a customer pays back their acquisition cost. Optimize your growth spend.

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03 Retention

Cohort LTV Calculator

Track customer lifetime value by cohort. Compare retention and revenue across different customer groups.

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04 Retention

Churn Rate Calculator

Calculate customer and revenue churn. Convert between monthly and annual rates. See the 12-month impact.

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05 Revenue

MRR Forecaster

Project your SaaS revenue 12-24 months ahead. Compare optimistic, base, and pessimistic scenarios.

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06 Growth

SaaS Quick Ratio Calculator

Measure growth efficiency. Compare new and expansion MRR against churned and contracted MRR.

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07 Acquisition

LTV:CAC Ratio Calculator

Check your unit economics. See LTV, the LTV:CAC ratio, and CAC payback in one view.

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08 Retention

Net Revenue Retention Calculator

Calculate NRR and GRR from your MRR movements. See whether your revenue compounds or leaks.

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09 Revenue

ARR Calculator

Convert MRR to ARR and project annual recurring revenue 12 months out with growth and churn.

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10 Benchmarks

Rule of 40 Calculator

Balance growth and profit. See if your growth rate plus profit margin clears the Rule of 40.

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11 Efficiency

SaaS Magic Number Calculator

Measure sales efficiency. See how much new ARR each dollar of sales and marketing spend generates — and whether to scale.

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12 Efficiency

Burn Rate & Runway Calculator

Calculate your cash runway, net and gross burn, and burn multiple. See exactly when you run out of money.

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13 Valuation

SaaS Valuation Calculator

Estimate what your SaaS is worth. Enter ARR, growth, and net retention to get a revenue-multiple valuation range.

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14 Pricing

Price Increase Calculator

Model a price rise before you ship it. See the net revenue impact after churn at any price change and churn assumption.

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15 Payments

Stripe Fee Calculator

See what Stripe really takes - your total fees, your true effective rate after the fixed fee, and the annual cost.

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16 Acquisition

Free Trial Conversion Calculator

Turn trial signups into MRR. See new customers, new MRR per month, and the signups you need to hit a revenue goal.

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17 Retention

Failed Payment Recovery Calculator

Quantify the MRR you lose to failed payments, and how much a better dunning process can win back.

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18 Pricing

Annual vs Monthly Plan Calculator

Should you push annual billing? Compare LTV, effective price, and the cash you pull forward against the discount.

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19 Pricing

Discount Impact Calculator

See what a discount really costs - the extra volume you need just to break even, and whether your lift pays for it.

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20 Finance

SaaS Gross Margin Calculator

Break hosting, support, fees and software out of revenue to find your true gross margin and where it leaks.

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21 Benchmarks

Rule of X Calculator

The growth-weighted Rule of 40. Score your balance when a point of growth counts for more than a point of profit.

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22 Efficiency

ARR per Employee Calculator

Measure capital efficiency in one number. Benchmark ARR per employee and see your hiring runway.

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23 Revenue

ARPU Calculator

Calculate average revenue per user or account. Toggle monthly vs annual and see how ARPU feeds MRR, LTV and payback.

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24 Revenue

MRR Calculator

Calculate MRR and break it into new, expansion, contraction, churned and reactivation movements — the real story behind the number.

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25 Growth

SaaS Growth Rate Calculator

Compute MoM and YoY growth, CAGR, doubling time, and the growth rate you need to hit a revenue target.

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26 Finance

SaaS Break-Even Calculator

Find the customer count and the number of months to profitability from your fixed costs, ARPA and gross margin.

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27 Finance

Deferred Revenue Calculator

Turn an annual contract into a month-by-month ASC 606 recognition schedule and see billed vs recognised revenue.

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Why these metrics matter

Know your numbers.

Revenue ceiling

Your churn rate sets a hard limit on growth. Know where that ceiling is before you hit it.

Acquisition efficiency

CAC payback tells you how fast customers become profitable. Shorter is always better.

Customer value

LTV by cohort reveals which customer segments are most valuable long-term.

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