Contract renewal date calculator
Free for up to 15 contracts and documents.
Auto-renewing contracts are convenient until you want out. The date that matters isn't the end of the term; it's the last day you can give notice. Miss that and you're often locked in for another full term. This calculator works out both dates.
How to use it
Enter:
- Start date of the contract
- Initial term, such as 12 or 36 months
- Renewal term, the length of each automatic renewal, often 12 months
- Notice period, how far before the renewal date you must tell the other side you're leaving, such as 30, 60 or 90 days
You get:
- The next renewal date
- The last day to give notice
- A suggested review date a few weeks before that, so you have time to compare options
- The next three cycles, so you can plan ahead
Example
A software contract starts on 1 March 2026 with a 12-month term, renews for 12 months at a time, and requires 60 days' written notice.
- Renewal date: 1 March 2027
- Last day to give notice: 31 December 2026 (60 days before)
- Suggested review date: early December 2026
Without the calculator, many people set a reminder for late February, which is two months too late.
Where to find these terms
Look in the contract for sections titled "Term", "Renewal", "Termination" or "Notice". Watch for:
- "Evergreen" clauses that renew indefinitely until cancelled
- Notice in writing, sometimes to a specific address or by a specific method
- Price changes on renewal, sometimes capped, sometimes not
- Different notice periods for the initial term and renewals
- Cancellation windows that only open for a short time before renewal
If the wording is unclear, ask the vendor to confirm the dates in writing, or have someone qualified review it.
Contracts worth tracking
- Office or shop leases
- Software and SaaS subscriptions
- Equipment leases and maintenance agreements
- Telecoms and internet
- Waste, cleaning and security services
- Marketing retainers and agency agreements
- Insurance broker agreements
Turning the dates into reminders
Once you know the notice deadline, set reminders against it, not against the renewal date. A good schedule is 90, 60 and 30 days before the notice deadline, then a week before. In Renew Clock, add the contract with the notice deadline as its date, attach the PDF, and assign an owner. Reminders keep coming until someone marks it reviewed, and on Pro they escalate to a second person if ignored.
Keep a simple contract register
Even a short list helps: vendor, what the contract covers, annual cost, renewal date, notice deadline, owner and where the signed copy lives. When the review date arrives, the owner can see at a glance whether the contract is still worth what it costs and how much time is left to act. Most businesses find at least one contract they forgot they were paying for the first time they build this list.
Questions
What if the notice period is in months, not days?
The calculator accepts both. "Three months' notice" is counted back from the renewal date by calendar months.
Does this give legal advice?
No. It does date arithmetic based on what you enter. Always read the contract itself.
What about contracts without auto-renewal?
Use the end date as the key date and set reminders early enough to renegotiate or find a replacement.