🌍 Calculators and converters for everyday use
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AI & Emerging

AI & Emerging Calculatrices

5 interactive tools with transparent guidance and tested shared calculation logic.

AI & Emerging

AI Token Cost Calculatrice

Estimate LLM API cost from input/output token counts and per-million-token pricing.

AI & Emerging

AI Context Window Calculatrice

Estimate how much of a model context window a prompt consumes.

AI & Emerging

Solar ROI Calculatrice

Estimate simple annual solar savings and payback period.

AI & Emerging

Carbon Footprint Electricity Calculatrice

Estimate electricity-related CO₂e from usage and an emission factor you provide.

AI & Emerging

Freelance Rate Calculatrice

Estimate an hourly freelance rate from target income, expenses, billable hours and margin.