Terra Insight — Controller's Toolkit

Calculator Index

Terra Insight Editorial Team · terra-insight.com

Free browser-based calculators referenced in this Toolkit. All run client-side — no data leaves your browser.

Reconciliation ROI Calculator
Cost of manual reconciliation, post-automation exception reduction, and payback period.
https://www.terra-insight.com/tools/recon-roi-calculator/
Revenue Leakage Calculator
Estimate revenue leakage exposure across the seven leakage classes.
https://www.terra-insight.com/tools/revenue-leakage-calculator/
ITC Leakage Calculator
GST input tax credit at risk from unreconciled GSTR-2B mismatches.
https://www.terra-insight.com/tools/itc-leakage-calculator/
TDS Mismatch Estimator
Estimate TDS receivable stuck in Form 26AS mismatches.
https://www.terra-insight.com/tools/tds-mismatch-estimator/
Three-Way Match Exception Cost Calculator
Cost of manual PO-GRN-invoice exception handling.
https://www.terra-insight.com/tools/three-way-match-exception-cost-calculator/
TDS Payment Code Lookup
2026-regime TDS payment code reference by section.
https://www.terra-insight.com/tools/tds-payment-code-lookup/