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Math & Utility

Units, %, BMI, Loan, Tip, Interest, Calculator, Invoice

Unit Converter
Client-side unit converter for length, weight, temperature, volume, speed, area.
Percentage
Client-side percentage calculator (4 modes).
Fractions
Client-side fraction calculator with GCD simplification.
BMI
Client-side BMI calculator (metric/imperial).
Loan Calculator
Client-side loan calculator with monthly payment and total cost.
Tip Calculator
Client-side tip calculator with bill split.
Interest
Client-side simple and compound interest calculator.
Calculator
Client-side scientific calculator.
Speed/Distance
Client-side speed/distance/time solver.
Fuel Cost
Client-side fuel cost calculator with per-person split.
Invoice Generator
Client-side invoice builder with jsPDF export.