Every calculator, one place.

SaaS MRR growth rate calculator

MoM and YoY MRR growth — see the compounding difference between 5% and 10% monthly growth.

Customer Acquisition Cost (CAC) calculator

Fully-loaded CAC: sales + marketing spend ÷ new customers, with blended and paid-only views.

Lifetime Value (LTV) calculator

Gross-margin LTV = ARPU × gross margin ÷ churn — the real number, not revenue LTV.

LTV:CAC ratio + payback period

LTV-to-CAC ratio and months to recover CAC — the health metric every SaaS investor checks first.

Churn rate + cohort retention

Monthly and annual churn, retention curve, and net revenue retention from a simple cohort.

SaaS pricing ladder tester

Starter / Pro / Enterprise mix — see how tier pricing and adoption % drive blended ARPU.

Freemium conversion rate calculator

Free users × conversion % × ARPU − free hosting cost — does freemium beat trial for you?

Burn rate + runway calculator

Monthly burn, net of revenue and gross margin, against cash on hand — months of runway left.

Employee stock option dilution

How much new-round dilution costs employee option grants — pre- vs post-money dilution math.

ESOP vesting cliff calculator

Vested-share value across 4-year / 1-year cliff schedules — what you keep if you leave at month N.

Google Ads ROI calculator

Clicks → conversions → revenue → profit — full Google Ads funnel with breakeven CR and profit ROAS.

Facebook / Meta ads ROAS

ROAS, profit ROAS, breakeven ROAS, CAC — real profitability on Meta spend after margin.

Email campaign breakeven

List size × open × click × convert — does the campaign actually profit after production cost?

Influencer partnership ROI

Creator fee + gifted product vs reach × engagement × conversion — what a post is really worth.

SEO content ROI calculator

Content cost vs 3-year compounding traffic — ROI of publishing N articles at $X over time.

Podcast sponsorship CPM

Effective CPM by slot type (pre/mid/post-roll) with conversion math — real cost per engaged listener.

Affiliate commission rate tester

What commission rate you can pay after margin + network fee — per-order and monthly net profit.

Referral program ROI + viral coefficient

Double-sided referral math with viral coefficient (K) — when your program is self-sustaining growth.

Brand vs performance budget split

Binet & Field 60/40 — stage-appropriate brand allocation with lift modeling on performance ROAS.

Webinar ROI calculator

Full webinar funnel (registrant → attendee → buyer) with breakeven sales and cost per sale.

Cloud hosting cost estimator

AWS, GCP, Azure, DO, Fly — monthly cost per MAU by compute, bandwidth, DB, storage.

LLM API cost calculator

Claude, GPT-4o, Gemini, DeepSeek — cost per call, daily/monthly/annual with prompt caching.

Freelance dev hourly rate

What to charge per hour based on target salary + benefits + overhead + utilization + profit margin.

Server capacity planning

Servers needed for peak RPS with CPU/RAM math, utilization targets, and N+1 / 2N redundancy.

Database cost calculator

RDS, Aurora Serverless, PlanetScale, Supabase, Neon, Atlas — monthly DB cost with storage + reads + writes.

Load balancer breakeven

Self-hosted HAProxy vs managed AWS ALB / GCP LB / Cloudflare — where the crossover point actually is.

Tech debt ROI calculator

Turn a debt-fix project into a finance pitch: drag cost today, fix cost, payback months, ROI over 3 years.

On-call compensation calculator

Fair pay for 24/7 rotations — passive stipend + active page pay at 1.5-2x hourly base, benchmarked to industry data.

Engineering OKR velocity

Is your quarterly OKR feasible? Team capacity, KTLO drag, and burn-rate projection say yes or cut scope.

Code review cycle time cost

Quantify the hidden tax of slow code review — context-switch drag, DORA benchmarks, annual recoverable productivity.

Mortgage affordability (DTI-based)

Max home price using 28/36 front-end/back-end DTI rules, tax, insurance, and HOA.

Rent vs buy with opportunity cost

Multi-year rent vs buy, including the opportunity cost of tying up a down payment.

Closing cost estimator

Line-item closing costs — lender fees, title, escrow, taxes, recording — as % of purchase price.

HELOC payment calculator

Interest-only draw vs amortizing repay — monthly payment and lifetime interest on a HELOC.

Cash-on-cash return calculator

Investment property annual cash flow ÷ total cash invested — your real yearly yield.

Cap rate calculator

Net operating income ÷ property value — compare deals on a cash-only-no-financing basis.

House flip profit estimator

Purchase + rehab + holding + selling — project net profit on a flip at a target ARV.

Short sale vs foreclosure cost

Compare credit hit, deficiency, tax, and time cost of a short sale vs letting it foreclose.

Property tax by state/county

Estimate annual property tax using effective rates for the largest counties in each state.

Home insurance premium estimator

Rough annual homeowners premium from dwelling coverage, location, and deductible choice.

401(k) match optimizer

How much to contribute per paycheck to capture the full employer match — and how much you're leaving on the table.

Roth vs traditional IRA breakeven

Find the retirement tax rate at which a Roth and a traditional IRA break even.

Retirement savings gap calculator

Project your nest egg at retirement age vs what you need — see the monthly gap.

Social Security claiming age calculator

Compare lifetime benefit at 62, full retirement age, and 70 — including breakeven age.

RMD (required minimum distribution)

Your required minimum distribution from a traditional IRA / 401(k) using the IRS Uniform Lifetime Table.

Dividend reinvestment growth

Compound a dividend-paying portfolio with reinvestment over N years — income vs total return.

Tax-loss harvesting benefit

After-tax benefit of harvesting a paper loss — federal, state, and $3,000 ordinary-income offset.

Rule of 72 / doubling time

Quickly estimate how long it takes for an investment to double — Rule of 72 vs exact.

Coast FIRE age calculator

The age at which today's portfolio can coast to your number with no further contributions.

Early retirement withdrawal penalty

10% penalty + federal + state tax — net you'd actually get withdrawing early from a 401(k) or traditional IRA.

Child support estimator

Estimate monthly child support using the income-shares model used by the five most populous states.

Alimony / spousal support calculator

Estimate spousal support using common state formulas — duration and monthly payment.

Small claims filing cost calculator

See total filing + service + judgment-collection cost before you sue in small claims court.

Divorce cost estimator

Contested vs uncontested, mediation vs litigation — estimate total divorce cost by path.

Statute of limitations lookup

Find the deadline to file a lawsuit by state and claim type (contract, injury, fraud, debt).

Lawyer hourly rate vs flat fee

Compare the total you'd pay under an hourly retainer vs a flat fee at your expected case length.

Patent filing cost calculator

USPTO fees + attorney drafting + maintenance — full cost to file and hold a utility patent.

Trademark registration cost calculator

USPTO TEAS Plus/Standard fees + attorney + classes — total cost to register a U.S. trademark.

LLC formation cost by state

Filing fee + annual report + registered agent + publication — what an LLC really costs to open and keep.

Will vs trust cost comparison

Attorney drafting + probate risk — compare the long-term cost of a will vs a revocable living trust.