Twelve calculators.
No sign-up, no email.
The arithmetic behind the decisions we get asked about most: cost per site visit, RTO, contribution margin, aggregator commission, payback. Everything runs in your browser and nothing is sent anywhere.
COD RTO Cost Calculator
Calculate what cash-on-delivery return-to-origin actually costs you each month: forward freight, return freight and blocked working capital, per order and in total.
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D2C Contribution Margin Calculator
Find your true per-order contribution margin after COGS, shipping, payment fees, returns and ad spend - and the break-even CAC that follows from it.
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WhatsApp Campaign ROI Calculator
Estimate the revenue and return on a WhatsApp broadcast: conversation costs, read and click rates, conversion and order value.
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Delivery vs Dine-In Margin Calculator
Compare what you actually keep on an aggregator delivery order against a dine-in cover, after commission, packaging, discounts and food cost.
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Hotel Direct Booking Savings Calculator
See how much OTA commission costs you a year, and what shifting a share of room nights to direct booking would be worth after marketing cost.
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ROAS & Break-Even Calculator
Return on ad spend, break-even ROAS and profit after ad spend.
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Growth ROI Calculator
What a tighter funnel could be worth in extra revenue.
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LTV:CAC Ratio Calculator
Calculate customer lifetime value, your LTV:CAC ratio and how many months it takes to pay back acquisition cost on gross margin.
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Google Ads Budget Calculator
Work backwards from a monthly lead target to the clicks, budget and cost per lead you need, and see what it costs per customer at your close rate.
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SEO Payback Period Calculator
Model when an SEO retainer pays for itself: ramp time, leads at maturity, close rate and customer value, against monthly fee.
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Speed-to-Lead Calculator
Estimate the revenue you lose to slow first response, and what faster follow-up would be worth at your own assumed contact-rate uplift.
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Elsewhere on the site: Answers covers the questions behind these numbers, and Comparisons works through the trade-offs — Zomato against Swiggy, OTA against direct, and the rest.
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