Understand the numbers
Practical calculation guides
Worked examples, measurement decisions and common pitfalls, with links to calculators for your own values.
How to scale a recipe to the ingredients you have
Short of flour or butter? Find the limiting ingredient, scale the full list, handle fractional eggs, and open worked examples in the recipe calculator.
Read articleWhy an 8×10 crops your photo: crop or keep borders?
Compare an 8×10 crop with a whole-photo print and white borders. Work through exact pixel losses, paper borders and the settings to check before ordering.
Read articleHow to measure for a two-opening photo mat
Separate print size, visible openings, hidden paper gaps and frame insert measurements before planning a mat for two unequal photos.
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