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CALCULATOR LIBRARY

Calculators

Calculators

Calculators for decisions that need a number

Martzine calculators cover business, marketing, sales, finance, HR, freelance, productivity and technology questions. Every calculator is a native WordPress Page with its working calculation integrated into the page so the explanation and the utility stay together.

Use the library to test real scenarios, compare assumptions and keep the formula visible. The result is decision support, not an automatic recommendation.

Calculator

Ad Budget Calculator

Estimate campaign budget from target conversions and acceptable CPA.

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App Development Cost Calculator

Use the app development cost calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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ARR Calculator

Use the arr calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Average Calculator

Use the average calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Average Deal Value Calculator

Calculate average revenue per closed deal.

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Average Order Value Calculator

Calculate average revenue generated per order.

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Billable Hours Calculator

Estimate annual billable hours from schedule and utilization.

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Break Even Calculator

Calculate the number of units required to recover fixed costs at a given price and variable cost.

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Break Even Clients Calculator

Calculate how many clients are required to cover monthly overhead.

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Break Even ROAS Calculator

Calculate the minimum ROAS required to cover variable costs and target margin.

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Break Even Sales Calculator

Calculate the revenue required to cover fixed costs using the contribution margin ratio.

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Business ROI Calculator

Estimate return on an investment from cost and return figures.

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Cash Flow Calculator

Calculate net cash movement from inflows and outflows.

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Cash Runway Calculator

Estimate how many months current cash can fund the business at the current burn rate.

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Click Through Rate (CTR) Calculator

Calculate the percentage of impressions that produced clicks.

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Close Rate Calculator

Calculate the share of sales opportunities that become customers.

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Compound Interest Calculator

Estimate future value when interest compounds at a selected frequency.

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Contribution Margin Calculator

See how much revenue remains after variable costs to cover fixed costs and profit.

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Conversion Rate Calculator

Calculate the percentage of visitors, leads or prospects that complete the defined conversion event.

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Cost Per Acquisition (CPA) Calculator

Calculate advertising cost per completed acquisition or conversion.

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Cost Per Booking Calculator

Calculate acquisition cost per booked call or appointment.

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Cost Per Hire Calculator

Calculate average recruiting spend per new hire.

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Cost Per Lead (CPL) Calculator

Calculate the average cost required to generate one lead.

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CPC Calculator

Calculate the average cost for each advertising click.

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CPM Calculator

Calculate the cost per thousand advertising impressions.

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Calculator

Customer Acquisition Cost (CAC) Calculator

Calculate the average marketing and sales cost required to acquire one customer.

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Customer Lifetime Value (LTV) Calculator

Estimate customer lifetime value from average order value, purchase frequency, margin and lifespan.

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Customer Payback Period Calculator

Estimate how many months of gross margin are required to recover customer acquisition cost.

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Deals Needed Calculator

Calculate required deal count from target revenue and average deal size.

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Debt To Income Calculator

Calculate monthly debt obligations as a percentage of gross monthly income.

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Email Open Rate Calculator

Calculate email opens as a percentage of delivered messages.

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Email ROI Calculator

Measure return from email marketing investment.

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Employee Absence Rate Calculator

Calculate lost work time as a percentage of scheduled work time.

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Employee Cost Calculator

Estimate the annual employer cost of an employee including salary and burden.

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Employee Turnover Calculator

Calculate turnover rate over a defined period.

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Employee Utilization Calculator

Calculate the share of available work time spent on productive or billable work.

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Freelance Daily Rate Calculator

Convert a target annual income into a practical freelance day rate.

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Freelance Hourly Rate Calculator

Set an hourly rate from desired annual income, billable utilization and working hours.

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Freelance Platform Fee Calculator

Calculate platform fees and net income from a project value.

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Freelance Project Margin Calculator

Calculate project margin after direct delivery costs.

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Freelance Project Rate Calculator

Estimate a project quote from hours, target rate and a contingency buffer.

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Freelance Utilization Calculator

Measure the share of available working time that is billable.

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Freelancer Profit Calculator

Estimate freelance profit after operating expenses.

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Future Value Calculator

Estimate future value from a current amount and annual growth rate.

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Gross Margin Calculator

Measure the percentage of revenue left after direct cost of goods sold (COGS).

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Gross Profit Calculator

Calculate gross profit from revenue and cost of goods sold.

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Hiring Cost Calculator

Estimate total hiring cost from internal time, external fees and hiring expenses.

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Hourly To Salary Calculator

Convert an hourly pay rate into an estimated annual salary.

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Hours To Decimal Calculator

Use the hours to decimal calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Inflation Impact Calculator

Estimate what today's purchasing power becomes after inflation.

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Inventory Turnover Calculator

Calculate how many times inventory is sold or used over a period.

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Landing Page Conversion Calculator

Calculate the conversion rate for a landing page and understand the volume implied by a target conversion count.

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Lead To Close Rate Calculator

Measure how many generated leads become closed customers.

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Loan Payment Calculator

Estimate monthly payment for a fixed rate installment loan.

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LTV to CAC Ratio Calculator

Compare customer lifetime value with acquisition cost.

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Calculator

Marketing Budget Calculator

Estimate a working marketing budget from revenue and target allocation.

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Marketing Efficiency Ratio (MER) Calculator

Measure total revenue generated relative to total marketing spend.

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Marketing ROI Calculator

Compare marketing investment with the return it generated using a consistent ROI definition.

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Markup Calculator

Calculate markup as a percentage of cost so pricing decisions use a consistent commercial definition.

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Monthly Burn Rate Calculator

Calculate average monthly cash burn from a period of cash reduction.

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Monthly Churn Rate Calculator

Use the monthly churn rate calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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MRR Calculator

Use the mrr calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Net Margin Calculator

Measure net profit as a percentage of revenue after operating and other expenses.

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Net Profit Calculator

Calculate net profit after operating expenses.

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Net Revenue Retention Calculator

Use the net revenue retention calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Operating Expense Ratio Calculator

Measure operating expenses as a percentage of revenue.

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Operating Margin Calculator

Measure operating profit relative to revenue before interest and taxes.

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Overtime Calculator

Calculate overtime pay from hourly rate, multiplier and extra hours.

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Payroll Burden Calculator

Estimate employer burden as a percentage of base payroll.

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Percentage Change Calculator

Calculate percentage increase or decrease between two values.

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Percentage Of Number Calculator

Use the percentage of number calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Pipeline Coverage Calculator

Measure how much qualified pipeline exists relative to target revenue.

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Pricing Calculator

Estimate a selling price from cost, target margin and an optional commercial buffer.

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Profit Margin Calculator

Calculate profit as a percentage of revenue so you can see how much of each sale remains after cost.

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Quota Attainment Calculator

Calculate performance against a sales quota.

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Quota Gap Calculator

Calculate the remaining revenue required to reach quota.

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Ratio Calculator

Use the ratio calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Retainer Pricing Calculator

Estimate monthly retainer price from expected hours and target rate.

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Revenue Growth Calculator

Measure revenue growth between two periods.

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ROAS Calculator

Calculate return on advertising spend from revenue and advertising cost.

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SaaS Growth Rate Calculator

Use the saas growth rate calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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SaaS LTV:CAC Calculator

Use the saas ltv:cac calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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SaaS Runway Calculator

Use the saas runway calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Salary To Hourly Rate Calculator

Convert annual salary into an estimated hourly rate using working hours and weeks.

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Sales Commission Calculator

Calculate commission from booked sales and a commission rate.

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Sales Forecast Calculator

Estimate forecast value from a small pipeline of weighted opportunities.

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Sales Pipeline Value Calculator

Calculate total open pipeline value before probability weighting.

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Sales Target Calculator

Calculate the number of deals required to reach a revenue target at a defined average deal value.

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Sales Velocity Calculator

Estimate the revenue moving through a sales pipeline over time.

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Sales Win Rate Calculator

Measure the percentage of qualified opportunities that close as won.

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Savings Goal Calculator

Estimate the monthly amount needed to reach a savings target.

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Simple Interest Calculator

Calculate interest earned using a simple annual rate.

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Target Profit Calculator

Estimate the revenue required to reach a target profit at a defined margin.

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Target Revenue Calculator

Calculate the number of customers or deals needed to hit a revenue target.

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Time Cost Calculator

Use the time cost calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Time Duration Calculator

Use the time duration calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Time To Hire Calculator

Estimate average time to hire from start and end dates for the recruiting process.

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Website Cost Calculator

Use the website cost calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Weighted Average Calculator

Use the weighted average calculator to work through the inputs and keep the assumptions visible before using the result in a business decision.

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Calculator

Weighted Pipeline Forecast Calculator

Estimate expected pipeline value by applying probabilities to opportunities.

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