Bar Chart Maker

What is a bar chart for?

A bar chart compares numerical values across categories using bar length. It helps readers see which category is largest, how groups differ, and how totals change across discrete periods.

Use bars for direct comparisons

Choose bars for counts, category totals, and survey responses. For a continuous trend across many time points, a line chart may be easier to read; for a distribution of numeric intervals, use a histogram.

Make the comparison honest

1. Start the value axis at zero. Bar length should represent the full magnitude of the value.
2. State the unit. Counts, percentages, and currency amounts must not be mixed without explanation.
3. Preserve source values. Mark missing data instead of replacing it with an invented number.
4. Choose a useful order. Keep time chronological; rank categories when relative size is the question.
5. Limit visual clutter. Use concise labels and include only series that serve the comparison.

From figures to a chart draft

MyMap uses your supplied categories and values to create the visual and revise it on request. The example combines monthly revenue bars with a line across the same illustrative 2025 values, including a July dip.