Finance Tools

Loan EMI, compound interest, mortgage, VAT, zakat & savings goals — plan your money, privately.

57 tools 100% client-side
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Loan EMI Calculator

Calculate monthly EMI, total interest and payment — instant, private.

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Compound Interest Calculator

See your money grow with compounding — daily, monthly, yearly.

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Tip Calculator

Split the bill and tip fairly — quick percentages, per-person total.

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VAT / Tax Calculator

Add VAT to a net amount or strip it from a gross — any rate.

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Simple Interest Calculator

Compute simple interest: SI = P × R × T / 100 — fast, free, private.

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Mortgage Calculator

Home price → monthly payment, total interest & full breakdown.

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Discount Calculator

Find the sale price — or reverse it back to the original. Any %.

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Zakat Calculator

Calculate 2.5% zakat due — gold or silver nisab basis, private.

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Savings Goal Calculator

How long until you reach your savings goal — with interest.

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Inflation Calculator

How much will today's money be worth in N years? Free, private.

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FIRE Calculator

Find your FIRE number and how long until you can retire early.

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Carbon Footprint Calculator

Estimate your annual CO₂ emissions from energy, transport, and flights.

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Invoice Generator

Create clean invoices with line items, tax, and totals — export as text.

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Budget Planner

Plan your monthly budget across 8 categories — see what's left.

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Expense Tracker

Track expenses with descriptions, amounts, and categories.

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Break-Even Calculator

Find the sales volume where revenue equals costs.

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Burn Rate Calculator

Calculate monthly burn and runway from cash spent over time.

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Net Worth Calculator

Assets minus liabilities — your true financial position.

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Debt Payoff Calculator

Compare avalanche vs snowball methods and project debt-free date.

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Retirement Calculator

Project your retirement nest egg with monthly contributions.

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Down Payment Calculator

How long until you save enough to put down on a home?

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Emergency Fund Calculator

How much should you save for emergencies — and how long to get there?

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Extra Mortgage Payment Calculator

See how extra payments slash interest and years off your mortgage.

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Car Payment Calculator

Estimate monthly payment, total interest, and loan cost.

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Refinance Calculator

Compare old vs new mortgage — see monthly savings and break-even.

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Paycheck Calculator

Estimate take-home pay after federal, state, and FICA taxes.

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Payroll Calculator

Calculate gross, tax, and net payroll for multiple employees.

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Salary Calculator

Convert between annual, monthly, bi-weekly, weekly, daily, hourly.

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Hourly to Salary Calculator

Convert an hourly wage to annual, monthly, weekly, daily.

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Hourly Rate Calculator

Find the rate to charge clients for your target income.

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Commission Calculator

Compute commission earned on sales with base salary.

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Profit Margin Calculator

Calculate profit margin and markup from revenue and cost.

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Markup Calculator

Find the selling price from cost and markup percentage.

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Tax Calculator

Add or remove sales tax from any amount — any rate.

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Bill Split Calculator

Split a bill between any number of people, with tip and tax.

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Wedding Budget Calculator

Allocate your wedding budget across 8 categories.

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Cost of Living Index

Compare salaries needed across major world cities.

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Electricity Cost Calculator

Estimate running cost of any appliance by wattage and hours.

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NPV Calculator

Net Present Value of an investment with cash flows and discount rate.

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IRR Calculator

Internal Rate of Return — the discount rate that makes NPV = 0.

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Payback Period Calculator

How long until an investment pays for itself.

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ROI Calculator

Total and annualized return on any investment.

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ROAS Calculator

Return on Ad Spend — revenue earned per dollar of ads.

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MRR Calculator

Compute net new MRR and growth from monthly movements.

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CAC Calculator

Customer Acquisition Cost — spend per new customer.

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CPC Calculator

Cost per click, CPM, and CTR from ad spend and clicks.

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CPM Calculator

Cost per 1,000 impressions for any ad campaign.

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CTR Calculator

Click-through rate from impressions and clicks.

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Conversion Rate Calculator

Visitor-to-customer conversion rate with revenue impact.

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Churn Rate Calculator

Customer churn rate with annualized projection.

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CLV Calculator (Customer Lifetime Value)

Estimate lifetime value per customer with LTV:CAC ratio.

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NPS Calculator

Net Promoter Score from promoter, passive, detractor counts.

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ARPU Calculator

Average Revenue Per User with annualized projection.

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SaaS Metrics Calculator

Quick SaaS snapshot: ARR, LTV, and 12-month MRR projection.

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Unit Economics Calculator

Per-unit LTV, CAC payback, and LTV:CAC ratio.

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Startup Runway Calculator

Months of cash remaining at current burn — with growth option.

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Meeting Cost Calculator

How much does this meeting actually cost?

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