⚡ Key Finding (June 2026)
Calculators are the single most-linked page type in B2B SaaS, with one well-built calculator earning 40+ referring domains in the first 3 months per the 2026 Triple Dart link-building study. Every BuyerSprint calculator is free, opens in one click, requires no signup or email, and shows the formula behind the answer. No dark patterns, no upsells, no walled gardens.
Every calculator here is open-formula. The math is shown alongside the result so you can audit the number, model your own scenario, or build the same calculation into your spreadsheet. Pricing data and benchmarks are sourced from public vendor pages and industry reports, dated, and refreshed when the underlying numbers change. Below, all the calculators currently live, plus the ones we’re building next.
Build philosophy: real-time math in the browser. No accounts, no email gates, no PDF downloads, no contact forms. Every input you enter stays in your browser session and is never sent anywhere.
Live Calculators
📊 Marketing ROI
Model marketing ROI from spend, lead volume, conversion rate, and customer LTV. Includes 2026 channel benchmarks (email 36:1, organic 22:1, paid search 2:1) and a 5-zone diagnostic engine that surfaces the specific bottleneck behind your number.
📧 Email Marketing Cost
Email Marketing True Cost Calculator
Compare actual monthly cost of 13 email platforms (Brevo, Mailchimp, Klaviyo, Kit, MailerLite, and more) by list size and send volume. Models the per-contact vs per-send billing fault line, which can flip cost by 4× for the same audience.
Coming Soon
The next calculators on the build queue, in order. Each follows the same pattern: free, no signup, formula shown, methodology dated.
🔍 SEO ROI
SEO ROI Calculator
Model time-to-payback for an SEO program from spend, target keywords, conversion rate, and AOV. Compares against the paid search alternative.
💰 CAC + LTV
CAC + LTV Calculator
Standalone SaaS unit-economics calculator. Computes CAC, LTV, payback period, and the LTV:CAC ratio against the 3:1 industry baseline.
📱 Ad Budget
Ad Budget Calculator
Estimate Facebook, Google, and LinkedIn ad spend from target acquisition cost, conversion rate, and audience size. Includes platform-specific CPM benchmarks.
🔁 Churn
SaaS Churn Calculator
Model the revenue impact of cutting churn by 1, 2, or 5 percentage points. Shows when retention investment beats acquisition investment.
How We Build These
Every calculator follows the same six principles.
- Open formula. The math is shown next to the result. Anyone with a spreadsheet can replicate the calculation.
- Dated benchmarks. Industry comparison data is sourced from public reports and tagged with the year. Stale benchmarks get refreshed when the underlying study updates.
- No email gate. Free does not mean “free if you give us your email.” Every calculator runs without an account.
- Browser-only. Inputs never leave your browser. We don’t log, store, or transmit anything you type.
- One screen. All inputs, the result, and the interpretation fit in a single scroll. No multi-step forms.
- Honest defaults. Preset scenarios reflect realistic business cases, not best-case sales-pitch numbers.
Suggest a Calculator
Have a business calculation you keep doing by hand? Reach out through our contact page with the formula and the inputs and we will look at adding it to the queue. The bar: it should solve a problem we can verify is real (search demand, Reddit threads, repeated questions in B2B Slack groups), and the math should be public-record so we can build it transparently.