All SpecWhale tools

Calculate screen pixel density from resolution and diagonal size.

Compare two screen diagonals and see display area difference.

Reduce an image or screen resolution to its simplest aspect ratio.

Scale a resolution up or down by percentage.

Find print size from pixel dimensions and print DPI.

Convert pixels to physical inches using a chosen DPI or PPI.

Estimate video bitrate from target file size and duration.

Estimate file size from bitrate and video duration.

Estimate how much storage a recording needs from bitrate and time.

Estimate download or upload time from file size and connection speed.

Convert network speed from megabits per second to megabytes per second.

Convert storage units including KB, MB, GB, TB, KiB, MiB, GiB, and TiB.

Convert CSS pixels, rem, em, points, and percentages.

Estimate comfortable TV viewing distance from screen size.

Estimate audio file size from bitrate and duration.

Calculate crop factor from sensor diagonal compared with full frame.

Convert mm to cm instantly with formula and quick reference.

Convert mm to m instantly with formula and quick reference.

Convert mm to km instantly with formula and quick reference.

Convert mm to in instantly with formula and quick reference.

Convert mm to ft instantly with formula and quick reference.

Convert mm to yd instantly with formula and quick reference.

Convert mm to mi instantly with formula and quick reference.

Convert cm to mm instantly with formula and quick reference.

Convert cm to m instantly with formula and quick reference.

Convert cm to km instantly with formula and quick reference.

Convert cm to in instantly with formula and quick reference.

Convert cm to ft instantly with formula and quick reference.

Convert cm to yd instantly with formula and quick reference.

Convert cm to mi instantly with formula and quick reference.

Convert m to mm instantly with formula and quick reference.

Convert m to cm instantly with formula and quick reference.

Convert m to km instantly with formula and quick reference.

Convert m to in instantly with formula and quick reference.

Convert m to ft instantly with formula and quick reference.

Convert m to yd instantly with formula and quick reference.

Convert m to mi instantly with formula and quick reference.

Convert km to mm instantly with formula and quick reference.

Convert km to cm instantly with formula and quick reference.

Convert km to m instantly with formula and quick reference.

Convert km to in instantly with formula and quick reference.

Convert km to ft instantly with formula and quick reference.

Convert km to yd instantly with formula and quick reference.

Convert km to mi instantly with formula and quick reference.

Convert in to mm instantly with formula and quick reference.

Convert in to cm instantly with formula and quick reference.

Convert in to m instantly with formula and quick reference.

Convert in to km instantly with formula and quick reference.

Convert in to ft instantly with formula and quick reference.

Convert in to yd instantly with formula and quick reference.

Convert in to mi instantly with formula and quick reference.

Convert ft to mm instantly with formula and quick reference.

Convert ft to cm instantly with formula and quick reference.

Convert ft to m instantly with formula and quick reference.

Convert ft to km instantly with formula and quick reference.

Convert ft to in instantly with formula and quick reference.

Convert ft to yd instantly with formula and quick reference.

Convert ft to mi instantly with formula and quick reference.

Convert yd to mm instantly with formula and quick reference.

Convert yd to cm instantly with formula and quick reference.