Free tools. Real math.
Calculators for people starting or running a business. No signup, no fake benchmarks — every number comes from you. Then, if you want the done-for-you version, every tool points you to the right system.
Startup Cost Calculator
Add up what it really takes to launch — and what a bundle replaces.
Open tool →Service Pricing Calculator
Price every job for profit, not guesswork.
Open tool →Break-Even Calculator
The exact number of jobs that turns the lights green.
Open tool →Revenue Goal Calculator
Reverse-engineer the leads behind your number.
Open tool →Catalog ROI Calculator
The time and money the catalog hands back every year.
Open tool →AI Employee vs Hiring Calculator
A human hire (or a monthly tool) vs owning your AI staff.
Open tool →Apex Pass Calculator
Your Pass break-even in seconds.
Open tool →Hourly Rate Calculator
The hourly rate that actually pays you what you want.
Open tool →Profit Margin Calculator
Margin, markup, and the price to hit any target.
Open tool →Marketplace Fee Calculator
What you actually keep after Etsy, Gumroad, and eBay fees.
Open tool →Customer Lifetime Value Calculator
What one customer is worth over the whole relationship.
Open tool →Discount & Sale Price Calculator
The real price — and savings — after any discount.
Open tool →SaaS Cost Calculator
What your monthly software really costs over the years.
Open tool →ROAS & Ad Spend Calculator
Whether your ads actually make money after margin.
Open tool →3D Printing Price Calculator
What to charge for a print — filament, power, time, margin.
Open tool →Sales Tax Calculator
Add tax to a price, or back it out of a total.
Open tool →Subscription Revenue Calculator (MRR/ARR)
Turn subscribers into MRR, ARR, and a 12-month projection.
Open tool →Equipment Loan Calculator
Monthly payment and true cost of financing gear.
Open tool →Conversion Rate Calculator
Your funnel's rate, revenue per visitor, and traffic to a goal.
Open tool →Markup Calculator
Markup → selling price, and the margin it really gives you.
Open tool →Net Profit Margin Calculator
Revenue minus everything — the real bottom line.
Open tool →Commission Calculator
Commission, take-home, and the sales to hit a target.
Open tool →Payback Period Calculator
When an investment pays for itself.
Open tool →Salary to Hourly Calculator
What your time is actually worth per hour.
Open tool →Percentage Calculator
X% of Y, what percent of, and percent change — in one.
Open tool →Business Name Generator
Type your niche, get brandable name ideas in every style.
Open tool →Free Invoice Generator
Fill it in, hit print, send it. No signup, no watermark.
Open tool →BMI Calculator
Your Body Mass Index in one tap.
Open tool →Macro Calculator
Split your calories into protein, carbs, and fat.
Open tool →Gross Profit Calculator
Revenue minus the cost of goods — and the margin it leaves.
Open tool →Operating Margin Calculator
What the core business keeps before interest and tax.
Open tool →COGS Calculator
Cost of goods sold for the period, the standard way.
Open tool →Customer Acquisition Cost (CAC) Calculator
What it really costs to win one customer.
Open tool →LTV:CAC Ratio Calculator
Whether a customer is worth more than they cost.
Open tool →Customer Churn Calculator
The share of customers you lose each period.
Open tool →Tip Calculator
Tip, total, and the split per person — instantly.
Open tool →Compound Interest Calculator
What your money grows to, compounding over time.
Open tool →Loan Amortization Calculator
Monthly payment and the true cost of any loan.
Open tool →Debt-to-Income Calculator
How much of your income already goes to debt.
Open tool →Break-Even ROAS Calculator
The return every ad dollar must clear to profit.
Open tool →Inventory Turnover Calculator
How many times a year you sell through stock.
Open tool →Meeting Cost Calculator
What that recurring meeting actually costs the company.
Open tool →Profit Per Employee Calculator
Net profit divided across your team.
Open tool →CPC, CPM & CTR Calculator
The three core ad metrics in one place.
Open tool →Price Increase Impact Calculator
What a price bump does to revenue, after lost units.
Open tool →Cash Flow Calculator
Money in minus money out — are you building or burning?
Open tool →Burn Rate & Runway Calculator
How many months of cash you have left.
Open tool →Working Capital Calculator
Can short-term assets cover short-term bills?
Open tool →True Employee Cost Calculator
What a hire really costs beyond the salary.
Open tool →Print-on-Demand Profit Calculator
What you actually keep on each POD sale.
Open tool →DPI & Print Size Calculator
How big an image prints sharply at a given DPI.
Open tool →Filament Cost Calculator
The material cost of any 3D print, per gram.
Open tool →Resin Print Cost Calculator
Material cost of a resin print, per milliliter.
Open tool →Electricity Cost Per Print Calculator
What the power for a long print actually costs.
Open tool →Filament Spool Calculator
How much filament is left — and prints to go.
Open tool →3D Print Failure Cost Calculator
What failed prints quietly cost you each month.
Open tool →Sticker Pricing Calculator
Price a sticker for the margin you actually want.
Open tool →Email Marketing ROI Calculator
Whether your email program actually pays off.
Open tool →AI Cost-Savings Calculator
Automation hours, turned into dollars saved.
Open tool →Chatbot ROI Calculator
What an AI receptionist saves in labor.
Open tool →LLM Token Cost Calculator
What an AI API call really costs in tokens.
Open tool →Churn Revenue Lost Calculator
The revenue walking out the door each year.
Open tool →Multi-Product Break-Even Calculator
Units to break even across a whole product line.
Open tool →Profit-After-Discount Calculator
What a sale leaves of your margin.
Open tool →Pricing Tier Optimizer
Anchor good-better-best around a base price.
Open tool →Subscription Pricing Calculator
Annual price, effective monthly, and the savings.
Open tool →Free Trial Conversion Calculator
How many trials become paying customers.
Open tool →Refund Rate Impact Calculator
What refunds quietly cost your top line.
Open tool →Cohort Retention Calculator
How much of a cohort is still around.
Open tool →Influencer Rate Calculator
A starting estimate for a sponsored post.
Open tool →Time-Saved ROI Calculator
The ROI of a tool that buys back hours.
Open tool →Team Capacity Planner
The real productive hours your team has.
Open tool →Project Hours Estimator
Estimated hours and cost, with a buffer.
Open tool →Tool-Stack ROI Calculator
Owning your stack vs renting it monthly.
Open tool →Design Pricing Calculator
Price a design job by hours and revisions.
Open tool →Freelance Project Quote Calculator
Build a quote with margin baked in.
Open tool →Social Media Post Rate Calculator
A starting rate for a sponsored social post.
Open tool →Content Calendar Volume Planner
How many pieces a calendar really needs.
Open tool →Art Print Pricing Calculator
Price a print from cost and markup.
Open tool →Frame & Mat Size Calculator
Outer frame size from art plus mat border.
Open tool →Sticker Sheet Yield Calculator
How many stickers fit on one sheet.
Open tool →Die-Cut vs Kiss-Cut Calculator
Which cut is cheaper at your quantity.
Open tool →3D Print Time Estimator
A rough print-time check from filament weight.
Open tool →Website Build Quote Calculator
Quote a website by pages and rate.
Open tool →Web Developer Rate Calculator
The hourly rate that hits your income goal.
Open tool →Hosting Cost Calculator
The true annual cost of running a site.
Open tool →Performance Budget Calculator
Rough load time from your page weight.
Open tool →Sales Quota Calculator
The deals and leads behind a revenue target.
Open tool →Every business already has these numbers worked out.
The Business-in-a-Box bundles ship the pricing framework, the CRM, and the playbooks so you run the real version, not the spreadsheet.