Computational Journalism & Policy Lab

Interactive Models for Policy, Wealth & Public Interest

Analytical calculation engines calibrated against official statutory gazettes, central bank benchmark rates, and public health research across 8 jurisdictions.

17 Calibrated Models8 Statutory Tax CodesGazette Edition v2026.09.1 (2026-09-29)

Business

Income Tax Calculator

Compare your take-home salary across India (New vs Old Regime), US Federal+FICA, UK PAYE+NI, UAE 0% tax, and more. See monthly/annual breakdown with effective tax rate.

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Business

Freelancer Tax Calculator

Compare W-2 vs 1099 (US), Section 44ADA Presumptive Taxation (India), UK Sole Trader vs Ltd, and UAE Freelance visa thresholds with business expense deductions.

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Business

GST / VAT Calculator

Calculate inclusive or exclusive GST, VAT, and Sales Tax with country presets. India GST with CGST/SGST/IGST split, UK/EU VAT, UAE 5% VAT, US State Sales Tax.

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Business

PPP Salary Converter

Calculate how much salary in Mumbai equals the same lifestyle in New York, London, Dubai, or Sydney. Uses World Bank PPP conversion factors.

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Economy

Rate Cut EMI Calculator

See how a 0.25%, 0.50%, or custom rate change by the RBI, Fed, BoE, or ECB changes your monthly EMI, total interest, or loan tenure.

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Economy

Inflation Calculator

Calculate past and future value of money using regional CPI inflation. See how your grocery basket changes over 5, 10, or 20 years.

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Economy

SIP & Wealth Calculator

Simulate step-up monthly investments with employer match, inflation-adjusted real returns, and country-specific retirement wrappers like SIP, 401(k), ISA, and Super.

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Economy

Tariff Impact Calculator

Test how import tariffs (10%, 25%, 60%) pass through to retail prices on electronics, autos, and household goods.

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Auto

EV vs Fuel Calculator

Compare electric vehicle vs petrol/diesel running costs in your country. Factors in home/public charging rates, 5-year TCO, and CO₂ savings.

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Auto

Solar ROI Calculator

Calculate your solar panel payback period factoring in roof size, monthly bill, and local subsidies (PM Surya Ghar, US 30% ITC, UK/EU grants).

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Technology

AI ROI Calculator

Calculate hours saved per week, annual salary value unlocked, and net ROI after AI tool subscription costs for individuals or teams.

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Technology

Subscription Audit

Interactive checklist of regional subscriptions showing annual burn vs 10-year invested opportunity cost.

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Technology

LLM Token Cost Calculator

Compare input/output token costs across GPT-4o, Claude, Gemini, Llama, DeepSeek, and Grok in your local currency.

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Education & Careers

UPSC Eligibility Calculator

Calculate your exact age on the cutoff date, remaining attempts by category (General, OBC, SC/ST, EWS, PwBD), and eligibility status.

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Education & Careers

Education Loan Calculator

Compare Indian education loans (Section 80E benefit) with US/UK student loan repayment against expected starting salary.

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Climate

AQI ↔ Cigarettes Calculator

Convert your city's PM2.5 / AQI exposure into equivalent cigarettes smoked per day using the Berkeley Earth research formula.

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Sports & Tournament Analytics

Cricket NRR Calculator

Calculate exact runs or overs needed to overtake a rival team's NRR in a tournament, plus DLS par score projections.

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