Tools
Free calculators
Quick, accurate tools for East African investors and savers — yields, growth and repayments. Free to use, and nothing you type is stored.
Treasury Bond Calculator
Free treasury bond calculator: coupon payments, yield to maturity and total return, in UGX, KES, TZS or RWF.
Open →Treasury Bill Calculator
Free treasury bill calculator: discount, yield and return at maturity, in UGX, KES, TZS or RWF.
Open →Compound Interest Calculator
Free compound interest calculator: see how savings grow with regular deposits and any compounding frequency, in KES, UGX, TZS, RWF or USD.
Open →Loan Amortization Calculator
Free loan calculator with a full amortization schedule: monthly payment, total interest, and principal versus interest over the life of the loan.
Open →Uganda PAYE Calculator — Net Pay (URA)
Free Uganda PAYE and net pay calculator using current URA tax bands. Enter your gross salary to see income tax, NSSF and take-home pay.
Open →Kenya PAYE Calculator — Net Pay (KRA)
Free Kenya PAYE and net pay calculator with current KRA bands, NSSF, SHIF and the Housing Levy. Enter your gross salary to see your take-home pay.
Open →Tanzania PAYE Calculator — Net Pay (TRA)
Free Tanzania PAYE and net pay calculator (mainland) using current TRA bands and NSSF. Enter your gross salary to see income tax and take-home pay.
Open →Rwanda PAYE Calculator — Net Pay (RRA)
Free Rwanda PAYE and net pay calculator with current RRA bands and RSSB contributions (pension, maternity, optional medical). See your take-home pay.
Open →From one-off sums to your whole portfolio.
A calculator answers one question. Tamias keeps the true, after-tax value and return of everything you own across Kenya, Uganda, Tanzania and Rwanda — always current.
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