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Sleep Calculator
Best bedtime & wake-up cycles
BMI Calculator
Body Mass Index ranges & classification
Water Intake Calculator
Daily hydration targets
Mortgage Calculator
Monthly payment & amortization
Electricity Bill Calculator
Cost by kWh & tariff
Pregnancy Calculator
Track weeks & milestones
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Finance & Business
ROI, interest, loans, investing
Energy & Power
Solar, kWh, consumption
Electrical
Ohm’s law, voltage drop, wire size
Health & Fitness
BMI, BMR, macros, hydration
Time & Date
Sleep, age, date tools
Conversions
Units, temperature, volume
💰 Finance & Business
ROI Calculator
Return on Investment, profit & ROI %
Compound Interest Calculator
Future value with compounding & deposits
Loan Payment Calculator
Monthly payment, total interest, amortization
🌞 Energy & Power
Solar Panel Calculator
Panel sizing & output estimate
Electricity Bill Calculator
Usage cost by kWh & tariff
Energy Consumption Calculator
Device energy usage breakdown
âš¡ Electricity & Physics
Ohms Law Calculator
V = I × R with transformations
Voltage Drop Calculator
Wire length, gauge, and drop
Resistor Color Code
Bands to resistance & tolerance
💪 Health & Fitness
BMI Calculator
Body Mass Index ranges & risk
Ideal Weight Calculator
IBW formulas & healthy range
Water Intake Calculator
Daily hydration targets
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MoreThanCalcululators brings together a growing library of fast, reliable tools for finance, energy, electrical engineering, health, and conversions. Use the search above or explore categories to find the exact calculator you need.
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