Instagram Engagement Rate Calculator
Calculate your Instagram engagement rate per post and compare it against typical benchmarks.
Last updated · View algorithm, constants and default inputs (JSON)
About this calculator
Engagement rates depend on audience, format, niche, reach definitions and reporting period. The component rates below are arithmetic ratios, not platform-wide benchmarks or a measure of content quality.
Worked example
calculated with the default values below
Followers 5,000 · Posts analysed 10 · Total likes 2,400 · Total comments 180 · Total saves 300 · Total shares 90 · Average reach per post 3,500 Engagement rate by followers 5.94 % · Engagement rate by reach 8.49 % · Like rate 4.80 % · Comment rate 0.36 % · Save rate 0.60 % · Average engagements per post 297.0
Disclaimer
These calculators give general estimates for information and entertainment. Platform algorithms, metrics and definitions change without notice, and none of these results are official figures from the platforms named.
Implementation source
This record describes the implementation used by this page. It is not independent validation. External references, when available, support only the stated formula or definition; estimates and custom rules retain their own assumptions.
Formula and variables
ERf = (L + C + Sv + Sh) ÷ Np ÷ F × 100 ; ERr = (L + C + Sv + Sh) ÷ Np ÷ R × 100
- L
- likes
- C
- comments
- Sv
- saves
- Sh
- shares
- Np
- number of posts counted
- F
- followers
Per-post average interactions = (likes + comments + saves + shares) ÷ posts. Rates divide this average by followers or reach.
Frequently asked questions
Are these engagement rates platform benchmarks?
No. The calculator divides the interactions you enter by posts and followers or reach. The result depends on the selected reporting period and definitions; it is not a platform-wide standard.