Free web tools

Calculators and practice tools

Focused tools with visible methods, accessible controls and clear limits. Choose a calculator or practice set below.

Tool 01

Prescription Refill Calculator

Estimate the next refill date from a local fill date, days supplied and an optional early-refill allowance.

Open Prescription Refill Calculator

Tool 02

USMC PFT & CFT Calculator

Calculate event points, a total score and classification from published Marine Corps scoring thresholds.

Open USMC PFT & CFT Calculator

Tool 04

Cubic Yard Calculator

Convert mixed-unit length, width and depth measurements into cubic yards with optional waste.

Open Cubic Yard Calculator

Tool 05

G1 Practice Test Ontario

Try an original sample quiz covering Ontario signs, G1 restrictions, right of way and safe driving.

Open G1 Practice Test Ontario