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Calculator Tools

Practical calculators for health, prices, travel, finance, units, and everyday decisions.

Calculate BMI in metric or imperial units with clear ranges.

Find exact age in years, months, days, and total days.

Calculate percentages, ratios, increases, and decreases instantly.

Estimate fixed monthly payments, total interest, and repayment cost.

Project compound growth across rates, terms, and frequencies.

Calculate a tip and split the complete bill between people.

Convert common length, weight, and temperature measurements.

Calculate savings, discounted price, tax, and final cost.

Add tax to a price or separate included tax from a total.

Estimate trip fuel quantity and cost in metric or US units.