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Free sit stand ratio calculator. Get suggested sit and stand hours, a target ratio (1:X), and Low / Moderate / High sedentary risk. Pair with the standing desk height calculator before increasing stand time.
Last updated: May 24, 2026
Typing-heavy desk work? RSI risk calculator
Suggested Sitting Time
4.4 h/day
Suggested Standing Time
3.6 h/day
Target Sit-Stand Ratio
1:1
Risk Level
High
Current sitting load is high. Add standing blocks every hour and increase micro-break frequency.
Use this plan as a daily ergonomics guide and adjust for comfort and task needs.
We can build and embed a custom version of Sit Stand Ratio Calculator for your brand and workflow.
Answers: how long should I stand at my desk, ideal sit-to-stand split for 8 hours, and whether my break schedule is too sparse.
Default 6.5 h of 8 h = 81.3% seated — drives High risk independent of stand-desk ownership.
Intervals >45 min add risk points; ≤30 min shifts sit fraction down 5% in targets.
Focused computer vs mixed vs active office changes suggested sit hours before break adjustment.
Default: 8 h work · 6.5 h sitting · 60 min breaks · mixed office → suggest 4.4 h sit / 3.6 h stand · ratio 1:1 · current sitting 81.3% · risk High (scores 3+1).
Suggested Sit
4.4 h
Suggested Stand
3.6 h
Target Ratio
1:1
Risk Level
High
| Work style | Base sit share | Planning note |
|---|---|---|
| Focused computer work | 62% | Lower stand target — deep focus blocks |
| Mixed office tasks | 55% | Balanced default for email, calls, desk work |
| Active office / frequent movement | 48% | Highest stand allocation — walking meetings, floor time |
| Break interval | Sit fraction Δ | 8 h mixed example |
|---|---|---|
| ≤30 min between breaks | −5% sit fraction | 8 h mixed → 4.0 h sit (was 4.4 at 60 min) |
| 31–45 min | −2% sit fraction | 8 h mixed → 4.2 h sit |
| 46–60 min | 0 (neutral) | 8 h mixed → 4.4 h sit |
| >60 min | +4% sit fraction | 8 h mixed → 4.7 h sit — fewer breaks assumed |
| Factor | Scoring rule | Default example |
|---|---|---|
| Sitting % of workday | >78% → +3 · >65% → +2 · else +1 | 6.5/8 h = 81.3% → +3 |
| Break interval | >60 min → +2 · >45 min → +1 · else +0 | 60 min breaks → +1 (not >60) |
| Risk band | sum ≥4 High · ≥2 Moderate · else Low | 3+1=4 → High |
Ergonomic scheduling heuristic for desk and height-adjustable workstations — validate comfort weekly and adjust for meetings, travel, and hybrid days.
suggestedSit = clamp(total × (baseFraction + breakAdj), 1 … total−0.5)suggestedStand = total − suggestedSit (min 0.5 h)ratio = 1 : max(1, round(stand ÷ sit, 1 decimal))risk = f(sitting% of day) + g(break interval) → Low / Moderate / HighTarget 4.4 h sit / 3.6 h stand · ratio 1:1 · sitting 81.3% · High — need more standing blocks despite moderate split target.
5.6 h sit / 2.9 h stand · ratio 1:1 · 82.4% sitting · High (risk 3+2).
3.4 h sit / 4.6 h stand · ratio 1:1.4 · Low.
4.2 h sit / 3.8 h stand · 75% sitting · Moderate.
4.6 h sit / 3.4 h stand · still 81.3% sitting → Moderate (breaks help targets, not risk until sitting % drops).
6.6 h sit / 3.4 h stand · 80% sitting · High — sparse breaks (+2) plus 80% sitting (+3).
2.6 h sit / 3.4 h stand · ratio 1:1.3 · 50% sitting · Low.
3.4 h sit / 4.6 h stand · 56.3% sitting · Low.
Share with workplace wellness leads, remote teams, and anyone adopting a standing desk or sit-stand schedule.
Suggested hashtags: #Ergonomics #StandingDesk #SitStand #WorkplaceHealth #DeskJob