ETEvoraTools
Calculators & Converters

Free Business Calculators

Calculate margins, growth, recurring revenue and business runway. Every tool is available without ads or an account.

8 focused toolsFree to useNo signup
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Markup Calculator

Calculate markup from cost and selling price.

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Gross Profit Calculator

Calculate gross profit and gross margin.

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Burn Rate Calculator

Estimate average monthly cash burn.

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Business Runway Calculator

Estimate how many months current cash can cover.

● Runs in your browserOpen →
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MRR to ARR Calculator

Annualize monthly recurring revenue.

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Customer Churn Calculator

Calculate the percentage of customers lost.

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