Pregnancy Weight Gain Calculator
Estimate a recommended pregnancy weight gain range from pre-pregnancy BMI and current week.
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Pregnancy Calculator
Estimate pregnancy due timing from last menstrual period and cycle length using a Naegele style day count.
Use calculatorFinance Calculator
Solve finance unknowns such as future value from principal, rate, years, payment, and compounding frequency.
Use calculatorDice Roller
Roll one or more virtual dice with a chosen face count and see each face plus the sum.
Use calculatorDay of the Week Calculator
Return the weekday name for a calendar date using Gregorian weekday rules.
Use calculatorNumber Sequence Calculator
Build an arithmetic number sequence from a first term, common difference, and term count.
Use calculatorBase64 Encode Decode Calculator
Encode UTF-8 text to Base64 or decode a Base64 string back to readable text.
Use calculatorGDP Calculator
Calculate GDP from consumption, investment, government spending, exports, and imports.
Use calculatorRounding Calculator
Round a value to a specified number of decimal places.
Use calculatorSocial Security Calculator
Estimate an illustrative monthly benefit from AIME and claim age using a bend point sketch.
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