Work out warranty expiry date instantly with clear inputs, formula shown and shareable results.
A 36 month warranty from 20 March 2026 expires on 20 March 2029. On 4 September 2026 that leaves 927 days of cover, with 15.4% of the period elapsed. Manufacturer warranty runs from purchase, while statutory consumer rights in many countries extend independently and for longer.
Expiry date
expiry = purchase date with the month advanced by the warranty length
Cover remaining
days = expiry - today
Usually from purchase or delivery, whichever the terms specify. For goods installed later, some warranties start at commissioning.
No. Consumer law in the EU and UK gives rights against the seller for up to six years regardless of any manufacturer warranty.