About PhotoCalcs
PhotoCalcs provides 94+ free photography calculators across 10 categories, covering exposure, depth of field, lenses, lighting, printing, video, astrophotography, composition, camera settings and the business side of photography. Every tool is fast, accurate, and requires no signup or account.
Whether you are calculating depth of field for a portrait session, working out the maximum shutter speed for sharp star photography, estimating video file sizes for a shoot, or figuring out your day rate as a professional photographer, PhotoCalcs has a calculator for you.
10 Categories
- 📸 Exposure — 10 calculators
- 🔍 Depth of Field — 10 calculators
- 🔭 Lens & Focal Length — 10 calculators
- 💡 Lighting — 10 calculators
- 🖨️ Printing & Display — 10 calculators
- 🎬 Video — 10 calculators
- 🌌 Astrophotography — 8 calculators
- 🖼️ Composition — 8 calculators
- ⚙️ Camera Settings — 10 calculators
- 💼 Business — 8 calculators
Our Commitment
- 1.Always free — no signup, no paywall, no limits.
- 2.Accurate formulas — based on established standards and proven calculations.
- 3.Works everywhere — phone, tablet, desktop. No app to install.
- 4.No tracking — we use minimal analytics. Your data stays on your device.