The calculators

Find where you stand — and how to improve.

Six ways to see the language gap — starting with you, then your country, then the whole planet. Every calculator gives a real, shareable answer for free.

Calc 1aFree

Personal Connectivity

Your languages → the share of humanity you can talk to.

Try free →

Calc 2Free

Travel Connectivity

Your languages + a destination → how well you’ll get by.

Try free →

Calc 4Free→

Country-Pair GLCI

Browse the 214×214 matrix — can any two countries talk?

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Calc 1bFree

Country Connectivity

Your country’s GLCI vs the world — no input needed.

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Calc 3Email

Regional Connectivity

Your country’s GLCI vs its regional neighbours.

Try free →

Calc 6Paid

Regional & Custom ALPS

Languages-per-person for a region or any custom set.

Try free →