60 free calculators · no sign-up
Free Business Calculators for Smarter Decisions
Calculate profit, margins, ROAS, churn, break-even, pricing, CAC and LTV — instantly, in your browser, with the formula shown every time.
Popular calculators
A curated set of the tools people reach for most often.
E-Commerce Profit Calculator
E-CommerceNet profit and margin after COGS, shipping, ads, overhead and payment fees.
ROAS Calculator
MarketingReturn on ad spend — revenue per dollar of ads.
Break-Even Sales Calculator
E-CommerceHow much revenue you need to cover fixed costs.
Profit Margin Calculator
E-CommerceTurn revenue and total costs into a margin percentage.
SaaS Churn Calculator
SaaSLogo churn from customer counts.
SaaS MRR Calculator
SaaSMonthly recurring revenue from customers and pricing.
CAC Calculator
MarketingCustomer acquisition cost across all spend.
LTV Calculator
MarketingCustomer lifetime value from ARPU and lifespan.
Product Pricing Calculator
E-CommerceFind the price that hits your target margin or markup.
Browse by category
E-Commerce
Profit, margins, pricing, fees and break-even for online stores.
18 calculators →
Marketing
ROAS, ROI, CPA, CAC, LTV, funnels and ad metrics.
14 calculators →
SaaS
MRR, ARR, churn, retention, unit economics and runway.
15 calculators →
Business
Break-even, margins, growth, pricing and cash runway.
13 calculators →
Why use Unitly
Instant answers
Every calculation runs in your browser as you type. No sign-up, no waiting, no round-trips to a server.
Transparent formulas
Every calculator shows its formula and explains what the result means — so you can audit the math yourself.
Private by design
Your numbers never leave your device. Favorites and history are stored locally in your browser only.
Built for learning
A business-metric glossary and worked context on every page, useful for beginners and professionals alike.
How we calculate
Every tool uses standard, documented formulas — shown on each page. Division by zero, empty inputs and extreme values are handled explicitly rather than producing broken output. Calculations run entirely client-side; nothing you type is transmitted anywhere.
Business metric glossary
All terms →CAC
The average cost of winning one customer.
LTV
What a customer is worth over the whole relationship.
MRR
Normalized monthly subscription revenue.
ARR
Recurring revenue annualized.
ROAS
Revenue earned per dollar of ads.
ROI
Net gain relative to what was invested.
COGS
Direct cost of what you sold.
Gross Margin
Share of revenue left after product costs.
Net Margin
Share of revenue left after everything.
Frequently asked questions
Is Unitly free?
Yes — every calculator on this site is free to use, with no account required.
Where does the math run?
Entirely in your browser. Inputs are never transmitted or stored on a server.
Can I rely on these results for decisions?
The formulas follow standard definitions and are carefully implemented, but results are informational estimates. For tax, accounting or legal decisions, consult a qualified professional.
How are new calculators chosen?
Based on real decisions people make: pricing, profitability, ad efficiency, retention and cash. If a metric deserves a tool, it gets one.