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About this tool
Trust-building type pairs with tabular figure settings and exact column widths for Indian and international number formats.
Fintech Font Pairing combines display, body and figure faces for payments, lending and trading interfaces, then calculates the width a money column needs when set with tabular figures. The width comes from the digit count, the number of grouping separators — Indian lakh/crore grouping produces a different count from international thousands grouping — the decimal point and the currency symbol, all measured in ems and converted to pixels. It also shows how far a right-aligned column can drift if you leave figures proportional instead of tabular.
Open Fintech Font Pairing on AltFTool — it loads instantly in your browser.
Add your input to the workspace.
Adjust the options until the result looks right.
Copy or download the output and put it to work.
Tabular figures make width fully predictable, and the calculation includes separators and the currency symbol.
Indian and international separator counts are computed from the digit count, not assumed.
Quantifies how far a proportional-figure column can jump between values.
Any UI face with true tabular figures and a distinguishable zero — Inter, IBM Plex Sans, Roboto and Source Sans 3 all qualify. The decisive feature is not the shape of the letters but whether the digits share an advance width and whether 0 can be told apart from O.
It switches the font to figures that all have the same advance width, so numbers line up in columns and a value never changes the width of its cell. Pair it with slashed-zero in finance interfaces where a zero could be misread as a capital O.
Size it for the largest amount you will ever display. With a 0.6em digit width, nine integer digits plus two decimals in Indian grouping — ₹12,34,56,789.00 — needs about 8.5em, which is roughly 136 px at 16 px figures.
Yes. Indian grouping inserts a separator after the first three digits and then every two, so a nine-digit amount takes three separators against two for international grouping. That is one extra glyph of width per row.