Decision tools
Business and finance calculators that stay out of your way.
Open a tool, change the assumptions, and get to a decision fast.
Calculator Grid
Browse calculators for break-even analysis, tax planning, startup runway, mortgages, SIP growth, SWP withdrawals, pricing, and unit economics.
INR / USD mortgage
Home Loan Calculator
EMI and payoff in INR and USD, including extra payments.
Open calculatorBusiness planning
Break-Even Studio
Target-profit planning with safety buffer and sensitivity scenarios.
Open calculatorStartup cash flow
Runway Command Center
Cash survival horizon, hiring impact, and break-even timing.
Open calculatorPricing strategy
SaaS Pricing Lab
Margin-first pricing with churn and competitor context.
Open calculatorRetirement income
SWP Calculator
Withdrawal sustainability and corpus depletion timeline.
Open calculatorHome purchase planner
Downpayment + EMI
Upfront cost, EMI burden, and affordability threshold.
Open calculatorMonthly savings
Recurring Deposit
Track RD maturity with staggered monthly investments.
Open calculatorPortfolio tracking
XIRR Calculator
Calculate annualized returns for irregular cash flows.
Open calculatorCompare scenarios before you commit
Change price, tenure, return, or burn assumptions and see how the result moves before money leaves your account.
Use one tool for one decision
Each calculator is built around a clear outcome: monthly EMI, runway, tax impact, break-even point, or withdrawal sustainability.
Keep calculations readable
Short explanations and clear entry points help visitors choose the right tool before they start changing assumptions.
Popular Financial Use Cases
These entry points help visitors land on the right calculator quickly and add useful context around the tools on the homepage.
Business planning
Estimate break-even levels, pricing sensitivity, and startup runway before hiring, launching, or changing cost structure.
Open break-evenTax and salary decisions
Review tax impact, compare assumptions, and understand how take-home changes under different planning choices.
Open tax estimatorMortgage and home purchase
Check EMI burden, down payment requirements, and loan affordability before choosing a property or lender.
Open home loanInvesting and withdrawals
Model SIP growth and SWP sustainability with a simpler workflow than maintaining a spreadsheet from scratch.
Open SIP calculatorRead Before You Model
These pages explain the thinking behind common calculator choices so you can work with better assumptions before opening a tool.
SIP vs FD
Use time horizon, tax, and volatility tolerance to decide when guaranteed returns should beat long-run growth.
Read the guideHow to estimate runway
Build a more honest cash-life model with burn, hiring timing, and downside scenarios.
Open the runway guideOld vs new tax regime
Compare tax outcomes with actual deduction behavior instead of relying on loose rules of thumb.
Read the tax guideMethodology
See how businesscalcs handles formulas, assumptions, rounding, and content updates across the site.
Review methodologyFrequently Asked Questions
This section answers the common questions visitors have before they open a calculator or compare assumptions.
What kind of calculators are available on businesscalcs?
businesscalcs includes business, tax, mortgage, startup, retirement, and investing calculators built for practical financial decisions.
Who is this homepage meant for?
It is designed for founders, operators, salaried professionals, home buyers, and investors who want quick scenario analysis without spreadsheet setup.
Why keep content sections on the homepage?
Useful explanatory content helps visitors understand which calculator to open and gives more context before they change assumptions.
How should I use the tools?
Start with one calculator, change only a few assumptions at a time, and compare the result before moving on to a different scenario.