Free tool

Measure Any Roof From Satellite Imagery

Find the building, trace the roof, and get square footage in seconds — then send it straight to the material calculator.

Zoom to the building, then tap ⚡ Tap-detect roof and tap the roof — the outline appears automatically. Drag any corner to fine-tune, or trace manually.

    Measured roof area—
    Detect or trace at least one section to measure.
    🔒 Measuring for bids? Verified members get precision auto-measure with roof segments, pitch, and saved measurements per job. See Plans →
    Send to Material Calculator → Get a Free Estimate

    Measurements come from satellite imagery and public building footprints and are estimates — imagery age, roof pitch, and parapets affect accuracy. Building outlines © Microsoft & OpenStreetMap contributors. Always field-verify before ordering material.