Image/File Size Estimator

Estimate uncompressed image size from dimensions, channels, and bit depth.

A raw-pixel estimate that helps explain why image dimensions matter.

Your inputs stay on your device

Estimate image or file size

live result

Width

Height

Color channels

Bits per channel

Megabytes

0.01

Mebibytes

0.01

Home-project results are planning estimates. Measure your space and confirm material specifications before buying.

Context & Reference

For estimating raw image data size.

calculator guide

Multiplies pixels, channels, and bits per channel, then converts to bytes.

Use this calculator with your own values, then review the clearly labelled result and copy it when you need it elsewhere.

Results include decimal megabytes and binary mebibytes.

Estimate 4000 × 3000 pixels, 3 channels, 8 bits.

Compressed file formats can be much smaller or larger.

This calculator runs locally in this browser. Compressed file formats can be much smaller or larger.

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