Calculators

Fast, privacy-safe calculators that run locally in your browser.

Tools

• Percentage Calculator — Calculate percentage values quickly.
• Age Calculator — Calculate age and days until next birthday.
• Tip Calculator — Estimate tip, total, and split per person.
• Loan Payment Calculator — Estimate monthly payment from principal, APR, and term.
• BMI Calculator — Calculate BMI from height and weight (metric or imperial).