5 free utilities

Calculators

Quick, transparent calculations for everyday planning and estimation.

Calculators

Percentage Calculator

Calculate a percentage, reverse percentage, or percentage change with the formula shown.

Calculators

Age Calculator

Calculate age and elapsed time between a birth date and target date.

Calculators

Date Difference Calculator

Measure the exact number of days between two dates.

Calculators

Loan Payment Estimator

Estimate Canadian monthly loan payments and compare total principal and interest.

Calculators

Tip Calculator

Calculate a tip and split the total between people.

About these calculators

Each utility is designed around one clear task, with accessible labels, practical limits, and understandable output. Inputs are processed locally in your browser and are not intentionally saved.

Choose a tool above to see instructions, a practical example, privacy details, and related utilities.