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Calculators

The sums that come up often enough to be worth a page.

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Etsy Seller Profit Calculator

Calculate Etsy listing, transaction and payment processing fees, profit per sale and what you earn per hour of making.

eBay Seller Fee Calculator

Work out eBay final value fees, per-order fees, promoted listing costs and profit on a sale.

Amazon FBA Fee Calculator

Calculate Amazon FBA profit per unit after referral, fulfilment, storage and advertising costs, with break-even ACoS.

Drone Flight Time Calculator

Estimate drone flight time from battery capacity, voltage, usable discharge, all-up weight and power per kilogram.

Risk Quantification Calculator

Quantify a risk with single and annualised loss expectancy and calculate the return on a security control.

GDPR and CCPA Fine Exposure Calculator

Calculate maximum GDPR fines from turnover and fine tier, and CCPA civil penalty and statutory damages exposure.

Data Breach Cost Estimator

Estimate the cost of a data breach from records exposed and response costs, plus the annualised expected loss.

Penetration Testing Cost Estimator

Estimate penetration test effort and cost from applications, IP ranges, internal testing, reporting and retesting.

IT Ticket Backlog Burn-down Calculator

Calculate how long it takes to clear a support ticket backlog and the closure rate or staff needed to hit a deadline.

Data Transfer Speed Calculator

Calculate how long a file or backup takes to transfer at a given connection speed, allowing for protocol overhead.

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Let’s build something worth finding.

Tell us where you want the business to be in twelve months. We will come back with a costed plan, a realistic timeline, and the numbers we expect to move — no obligation, no jargon.

30-minute call, no pitch deck

Fixed-price proposal in 48 hours

You own everything we build