Make smarter finance, tax, and business decisions.
CalcBix gives freelancers, founders, marketers, and finance users clean calculators with formulas, explanations, and trustworthy result summaries — instantly, in the browser.
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Search 65+ free calculators by name or topic.
e.g. loan EMI, churn rate, ROAS…SearchPopular right now
Most used
Popular calculators
Advanced Loan EMI Calculator
Estimate monthly EMI, total interest, repayment schedule, and extra-payment impact for any loan.
mortgageMortgage Calculator with Amortization Schedule
Calculate mortgage payments, interest, payoff schedule, and yearly amortization summaries.
businessProfit Margin Calculator
Calculate gross profit, profit margin, markup, and price efficiency.
marketingROAS Calculator
Calculate return on ad spend and revenue efficiency.
saasSaaS MRR Calculator
Calculate monthly recurring revenue by plan, customers, and expansion.
aiAI Business Name Generator
Generate brandable business name ideas by industry and tone.
taxStripe Fee Calculator
Estimate Stripe fees, net payout, and gross-up amount.
financeCompound Interest Calculator
Project growth from principal, contribution, rate, and compounding frequency.
AI powered
AI business tools
Generate business names, ad copy, email drafts, landing page content, and more — free, no account needed.
AI Business Name Generator
Generate brandable business name ideas by industry and tone.
aiAI Slogan Generator
Generate clear slogans and taglines for brands, products, and campaigns.
aiAI Ad Copy Generator
Generate persuasive ad copy variations for paid campaigns.
aiAI Email Writer
Generate professional email drafts for business communication.
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Tool categories
Every category includes tools with formulas, practical examples, FAQ, and internal links — not just a number.
Finance Calculators
Loan, savings, investment, credit card, and retirement calculators for smarter money decisions.
Browse toolsLoan Calculators
EMI, business loan, car loan, personal loan, mortgage, amortization, and payoff tools.
Browse toolsMortgage Calculators
Mortgage payment and amortization tools for homeowners and first-time buyers.
Browse toolsTax Calculators
Salary, VAT, sales tax, fees, freelancer tax, and import duty estimate tools.
Browse toolsBusiness Calculators
Profit, ROI, pricing, valuation, cash flow, startup, and inventory calculators.
Browse toolsSaaS Calculators
MRR, ARR, churn, LTV, CAC, runway, NRR, expansion revenue, and SaaS health tools.
Browse toolsMarketing Calculators
ROAS, ad spend, CAC, CPL, conversion rate, email ROI, and marketing budget calculators.
Browse toolsAI Business Tools
Free AI-style business generators for names, slogans, ad copy, email, SEO, and sales content.
Browse toolsWhy CalcBix
More than just a number
Most calculator pages give you a result without context. CalcBix is built for people who need to understand what the number means and what to do next.
Formula transparency
Every tool shows the formula it uses, so you can verify results and understand what drives the number.
Honest disclaimers
We clearly label what is an estimate, what requires professional verification, and what assumptions we made.
Instant, in the browser
No signup, no download, no form submission. Type numbers, get results immediately — on any device.
Scenario comparison
Test conservative, base, and optimistic assumptions side by side before committing to a decision.
Built for real decisions
Tools are designed for founders, freelancers, marketers, and finance users — not just students.
CSV export & copy
Download amortization schedules, copy results to clipboard, or share specific tool pages with clients.
From calculation to action
Know your numbers.
Now act on them.
Use CalcBix to understand your financials, then use GrowbixAI to build your business page, capture leads, and automate follow-ups.
Calculate ROI
Understand if the spend is worth it.
Plan pricing
Test margins before you publish rates.
Model growth
See LTV, CAC, and runway at once.
Act with GrowbixAI
Build pages, capture leads, follow up.
Who it's for
Built for business, finance, tax, SaaS, and marketing decisions
Whether you are a freelancer estimating taxes, a SaaS founder tracking churn, a marketer calculating ROAS, or a business owner modelling ROI — CalcBix has a clean tool with the right formula for your decision.
- Freelancers and independent contractors
- Small business owners and founders
- SaaS teams and startup operators
- Marketing agencies and growth teams
- Finance students and professionals
- Property buyers and mortgage planners