Tools

Calculators

Built for high-intent US finance searches. Transparent assumptions. No fake product ratings. No loan offers.

Signal

Tier S — core tools

Estimate how many months until refinance closing costs are recovered from a lower rate — US educational tool.

See total interest and fees on a personal loan — not just the monthly payment. Educational APR math for the US.

Compare minimum payments vs a fixed payoff plan and estimate interest drag on US revolving balances.

Estimate how expense ratios and admin fees compound against your retirement balance over decades.

Estimate take-home pay after federal income tax, Social Security, Medicare, and a simplified state tax rate — educational US tool.

Adjacency

Estimate annual and monthly interest on a home equity line draw — US educational HELOC math (not an offer).

Add monthly maintenance, ATM, overdraft, and wire fees into an annual “leak” total for a US checking account.

Estimate monthly payment, total interest, and financed amount after down payment, tax, and fees on a US auto loan.

Combine fixed transfer fees and FX markup to estimate the true cost of sending money abroad from the US.

Context

See whether a raise beats inflation — estimate purchasing-power change using CPI-style assumptions.