About this tool
A free, browser-only pacing calculator for K–12 teachers. Enter your term dates, the days of the week your class meets, and every date you won't be teaching content — holidays, breaks, testing windows, PD, field trips. The tool counts the instructional days and weeks you actually have, then optionally distributes a list of units across those days in proportion to weights you set. Print it, save it as a PDF, or download a CSV to drop into your planner.
Nothing leaves the device. Your last set of inputs persists in your browser so a refresh restores them — there are no accounts, no analytics, no telemetry. Close the tab and that's the end of it.
How instructional-day counting works
Most calendars sell a school term as a clean round number — "a 36-week year," "a 9-week quarter," "an 18-week semester." Those numbers are calendar weeks, not teaching weeks. The teaching number is always smaller, sometimes much smaller, and the gap is where a pacing plan goes off the rails.
The tool counts what's actually there. Start with the term's date range; keep only the dates that fall on the days of the week your class meets; subtract every date you've marked as non-instructional. The leftover dates are the days you're actually in front of the class teaching new material. The corresponding number of weeks is just that count divided by your meetings-per-week — useful as a sanity check against the headline calendar number.
The default meeting days are Monday through Friday because that's what most K–12 classrooms run. If you teach on a block schedule (A/B days, two-day rotation, every-other-day), uncheck the days you don't meet; the count reflects the meetings only. The tool doesn't try to model A/B rotations exactly — it's a counting tool, not a master scheduler — but a single-class block schedule maps cleanly to "checked Mon/Wed/Fri" or "checked Tue/Thu" and the unit distribution still works.
The "9 weeks is really 7 weeks" point
Pull out the actual fall-quarter calendar at your school. Nine calendar weeks gives you 45 weekdays. Off those: Labor Day (1), Thanksgiving break (2 or 3), a teacher work day or two, a parent-conference day, an early release for the testing window, maybe a fire drill or assembly that eats a class period. The math typically lands at 35–38 actual teaching days — about 7 weeks of real instruction.
That gap is the single most common cause of "we ran out of time" at the end of a unit. If you planned around the calendar's nine weeks but only had seven, you're behind by two before you start. Plan around the real number and the unit endings stop being a surprise.
The same logic applies to a full semester (often 18 calendar weeks ≈ 15 teaching weeks once breaks, testing, and conferences are subtracted) and to a full school year (often 36 calendar weeks ≈ 32 teaching weeks, sometimes less in states with heavy testing schedules). Use the term mode that matches what you're planning.
How to pace units
Once the tool shows you the real instructional day count, distributing units becomes arithmetic. The two questions to answer first:
- Which units take longer than the others? A standards-heavy unit you'll assess multiple times deserves more days than a review unit. Don't make every unit equal unless they really are equal.
- How much slack do you want at the end? Reserve 5–10% of days as buffer for re-teaching, snow days, the inevitable assembly nobody told you about. You can model this as a "Review & buffer" unit at the end.
Set each unit's weight relative to the others — a unit with weight 2 gets twice as many days as a unit with weight 1. The total weight doesn't matter; what matters is the ratios. The tool divides days proportionally and assigns the leftover days to the units with the largest fractional share, so the unit day counts always sum to exactly the available days. No off-by-one, no rounding error that ate three days.
Then the tool anchors each unit to actual calendar dates by walking the instructional date list in order. Unit 1 gets the first N days, unit 2 the next M, and so on. The start date, end date, and day count are real — they account for breaks and weekends already, so a unit that spans Thanksgiving week still finishes on the correct day.
Where this fits in your planning
A pacing calculator sits between two other documents you might already have:
- Scope and sequence — the list of units in order, usually a district or curriculum document. The pacing plan turns it into dates.
- Daily lesson plans — what happens on a specific day. The pacing plan tells you which unit a given day belongs to so the daily plan has a frame.
The result is a one-page reference: by the end of week six you should be wrapping Unit 2, week ten starts Unit 4. Mid-term you can see whether you're on track without re-doing the calendar math each time.
For the attendance side of the same workflow, the attendance sheet generator builds a printable grid from the same date range. Or browse all teacher tools for the rest of the classroom-planning set.
Frequently asked questions
How many school days are in a year?
Most US states require 175–180 instructional days per school year, with the exact number varying by state and grade level. After subtracting teacher work days, conferences, testing, and weather, the actual content-delivery days usually come out to 160–170. The calculator gives you the real number for your specific term once you mark the non-instructional dates.
How do I make a pacing guide?
List your units in order, set a weight for each based on how much time it deserves (longer units get higher weights), and distribute the available instructional days proportionally. Build in slack — reserve 5–10% of days for re-teaching, snow days, and unexpected interruptions. This tool does the arithmetic; you focus on the proportions.
What is a unit pacing plan?
A unit pacing plan maps each unit to a specific start date, end date, and day count. It's the bridge between a year-long scope-and-sequence document (units in order) and a daily lesson plan (what happens today). It answers "by what date should I be done with this unit?" so you can tell mid-term whether you're on track.
Why does my 9-week quarter only have about 7 weeks of teaching?
Holidays, PD, testing, and teacher work days subtract from the calendar's 45 weekdays. A typical fall quarter loses 5–10 of those, landing at 35–38 actual teaching days — about 7 weeks. Building a pacing plan on the headline calendar number is the most common cause of running out of time at the end of a unit.
Can I use this for a block schedule?
Yes — uncheck the days you don't meet. For a Mon/Wed/Fri block, leave only those three checked; for an A/B rotation where you teach this class on A days only, approximate with the actual meeting days. The tool counts meetings, not periods, so the unit distribution stays correct.
Does my plan get saved or sent anywhere?
Your last set of inputs is kept in your browser's local storage so a refresh restores them. Nothing is sent to a server, stored remotely, or logged. Reset clears the saved data.