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Guide · Volunteers
How to collect volunteer availability without chasing anyone
Updated October 2026
If you've sent the availability sheet three times this month, the sheet is the problem, not your volunteers. Here's how to ask once, get answers you can use, and stop chasing.
Ask once, while a volunteer is new and keen. Ask when they're usually free in a typical week, not which dates they can do. Keep it to one grid, say it's a guide and not a promise, and only ask again when the seasons change. Then set shifts for the times most people are free, and let volunteers pick.
Why the availability sheet never comes back
You send the sheet. You wait. You send it again, and by the third reminder you're the one doing the volunteering.
It isn't that people don't care. Usually the ask is the problem. “Which Saturdays in November can you do?” means opening a calendar, so it becomes a job for later, and later rarely comes. A fresh sheet every month is a fresh chance to forget. Ticking a box can feel like signing up, so your most careful people leave it blank. And a spreadsheet attachment on a phone is nobody's idea of a good time.
Ask for a pattern, not a calendar
Most weeks repeat. Ask “When are you usually free?” and people can answer from memory while they wait for their coffee: weekday evenings, Saturday mornings, Tuesdays after school pickup. That answer stays true for months, so you ask once instead of every month.
Exceptions still happen, like a trip or a rough week at work. Those are a quick text when they come up, not a reason to send everyone a new sheet.
Ask once, right when they say yes
The best moment to ask is the moment someone signs up. Put the question in your welcome step, right after their name and how to reach them, while they're excited to help. It feels like part of saying hello instead of homework that shows up a week later. Our volunteer onboarding checklist shows where it fits, and the sign-up sheet template keeps the rest of the form short.
A grid anyone can fill in
Days down the side, a few time blocks across the top, and a box to tick. Copy this one into a form, a doc or a paper sheet, or start from our Google Sheet below:
| Morning 8 to noon | Afternoon noon to 5 | Evening 5 to 8 | |
|---|---|---|---|
| Mon | |||
| Tue | |||
| Wed | |||
| Thu | |||
| Fri | |||
| Sat | |||
| Sun |
Tick every box that fits a typical week.
Two shortcuts make it even quicker: a “Weekday evenings” box and a “Weekend mornings” box that cover the most common answers in one tick. Then add one line under the grid: “This is just a guide. You'll always choose your own shifts.” That line is what gets your careful people to fill it in.
The grid, ready in Google Sheets
The tick boxes, both shortcuts and that guide line are already in, with a space for their name and how to reach them. Make your copy, put your organization's name at the top, then print it or share it.
Put it to work before you set a shift time
Availability you never look at is just one more spreadsheet. Before you pick a time, count who's free in that block. A block that suits most of your volunteers fills itself, and one that suits almost nobody will have you texting all week.
If the shift needs a skill, like a driver's license or a food handler card, count only the people who have it. Then post the shift, share the link and let volunteers claim the spots that work for them.
Refresh it with the seasons, not the month
Weeks change when life does: school starts, summer arrives, someone takes a new job. Send one friendly note at the turns that matter where you are. “Has your week changed? Here's your grid.” Anyone whose week is the same can ignore it, and that's fine.
When someone never fills it in
Let it go. Availability helps you plan; it shouldn't stand between a volunteer and a shift. People who skip it can still see your open shifts and pick one, and plenty of wonderful volunteers just want to hear when you need them. Chasing one form is the same work you're trying to stop doing.
A message you can send today
Hi Sam, thanks so much for joining us! One quick question so we can plan shifts around you: when are you usually free in a typical week? Tick the times on this grid. It's just a guide, and you'll always pick your own shifts. [link to your grid]
Change the name, add your link, and send it to everyone who joined this season. What would you do with the hours you used to spend on reminders?
The Ember tool for thisEmber Volunteers
When volunteers with an Ember login join, Ember asks once when they're usually free, on a weekly grid they can change any time. When you post a shift, Ember suggests the best times for it and how many volunteers are free then. Volunteers see which open shifts fit their usual times. Free if your budget is under $50K a year.