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DisplayMath vs InstantCalcs

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

DisplayMath compared with InstantCalcs
DetailDisplayMath logo DisplayMathInstantCalcs logo InstantCalcs
What it doesFree screen size calculator that compares TVs and monitors to scale Free online calculators for math, finance, health, pregnancy, and more
StageNot given Not given
FoundedNot given Not given
Based inRO Not given
Pricing modelFreemium Free
PricingFree calculators; optional Planning Pack €9 one-time purchase Not given
Key features
  • Side-by-side display comparison at true scale
  • Calculate physical dimensions from resolution and diagonal
  • Pixel density (PPI) calculations
  • Field of view angle visualization
  • Preset lists of monitors, TVs, laptops and phones
  • Pixels per degree (PPD) calculator
  • TV mounting height calculator
  • Curved monitor radius support
  • Optional Planning Pack PDF export
  • BMI calculator for health assessment
  • Ovulation and pregnancy tracking calculators
  • Percentage and fraction calculations
  • Loan and mortgage financial calculators
  • Construction calculators for measurements
  • Unit conversion tools
  • FFMI and body composition analysis
  • Instant results with no processing delays
What makes it different
  • Draws every display to scale for visual comparison instead of guessing
  • Uses THX and pixel-per-degree references for viewing recommendations
  • Augmented reality shows actual screen size on your wall
  • Free to use with no account or signup required
  • Independent with no manufacturer influence on calculations
  • Completely free with no signup or registration required
  • Privacy-focused with local browser processing
  • Accurate calculations based on industry-standard formulas
  • 73 calculators across multiple categories
  • Clean and intuitive user interface
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check2 no change since last check
Trust Flow (Majestic)41
Citation Flow (Majestic)2413
Referring domains (Majestic)181

4 details filled in for both companies.

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