➗ Math, Date & Finance

Calculators, numerics, date logic, statistics, and finance tools

Calculate water costs based on usage and water rates

Validate Bitcoin addresses and detect address type (P2PKH, P2SH, Bech32)

Perform basic arithmetic calculations with support for multiple operations

Calculate loan payments, interest, and amortization schedule for various loan types

Check if a string is an Ethereum address. Does not validate address checksums.

Calculate fuel costs based on distance, fuel efficiency, and gas price

Calculate electricity costs based on power consumption and usage time

Calculate tips and split bills between multiple people with customizable tip percentages

Convert between different density units (kg/m³, g/cm³, lb/ft³, etc.)

Convert between different angle units (degrees, radians, gradians, minutes, seconds, etc.)

Convert between different area units (square meters, square feet, acres, hectares, etc.)

Convert between different force units (newton, pound-force, kilogram-force, dyne, etc.)