Filter Factor Calculator
Calculate exposure compensation for ND filters and other photographic filters.
Filter & Exposure Settings
Base Exposure (without filter)
Stack Filters
Compensated Shutter Speed
1/16
3 stops | Filter factor: x8
Exposure Comparison
Without Filter
1/125 | f/8 | ISO 100
With Filter (adjust shutter)
1/16 | f/8 | ISO 100
Filter Details
FilterND8
Optical Density0.9
Filter Factorx8
ND Filter Reference
FilterStopsDensityFactor
ND210.3x2
ND420.6x4
ND830.9x8
ND1641.2x16
ND3251.5x32
ND6461.8x64
ND12872.1x128
ND25682.4x256
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.