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Fast, privacy-first calculators and converters. Use search or filters to find a tool.
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Fuel Cost Calculator
Estimate fuel cost for a trip by distance, consumption and fuel price (supports EV kWh/100 km).
BMI Calculator
Quick BMI calculation with classification for adults — metric & imperial.
Conversion Calculator
Convert length, weight, temperature, volume and area — fast, accurate and privacy-friendly.
Percentage Calculator
Calculate X% of Y, what percent X is of Y, and percent increase/decrease — fast and private.