OAS Calculator
Old Age Security
OAS after clawback
$728/mo
Gross OAS
$728/mo
100% eligibility
Recovery tax
$0/mo
Starts at $90,997 income
Need 10 years of Canadian residence for partial OAS, 40 years for full. Defer up to age 70 for +36% (0.6%/month).
100% private
Runs in your browser — files don't leave your device.
Fast & free
Instant results, no signup required.
No upload
All processing happens on your device.