finance
Loan Payment
Find your monthly mortgage, auto, or student loan payment.
Library
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Finance
finance
Find your monthly mortgage, auto, or student loan payment.
finance
Project your savings balance with monthly contributions.
finance
Convert between any two currencies using a custom rate.
finance
Measure return on investment including extra costs.
Health
health
Body Mass Index using metric units.
health
Basal Metabolic Rate using the Mifflin-St Jeor equation.
health
Estimate daily calories using activity multipliers.
health
Hydration target based on weight and activity.
Construction
construction
Estimate ready-mix volume for slabs or pads.
construction
Plan paint gallons for interiors or exteriors.
construction
Budget flooring installs by room size.
construction
Convert rise/run into pitch and angle.
Math
math
Measure growth between two values.
math
Track reductions from a starting value.
math
Convert meters into feet and inches.
math
Convert kilograms into pounds and stones.
Computer Science
computer science
Generate a random integer within your range.
computer science
Get a random unsigned integer u8-bit, u16-bit, u32-bit, or u64-bit.
computer science
Generate RFC 4122 version 4 identifiers.
computer science
Produce secure random bytes as hex.