diff --git a/soc/nordic/nrf54l/soc.c b/soc/nordic/nrf54l/soc.c
index 94f48c14233..4054a963449 100644
--- a/soc/nordic/nrf54l/soc.c
+++ b/soc/nordic/nrf54l/soc.c
@@ -65,16 +65,34 @@ static int nordicsemi_nrf54l_init(void)
 	 * where CAPACITANCE is the desired capacitor value in pF, holding any
 	 * value between 4 pF and 18 pF in 0.5 pF steps.
 	 */
-	uint32_t mid_val =
-		(((DT_PROP(LFXO_NODE, load_capacitance_femtofarad) * 2UL) / 1000UL - 8UL) *
-		 (uint32_t)(slope_k + 392)) + (offset_k << 4UL);
-	uint32_t capvalue_k = mid_val >> 10UL;
 
-	/* Round. */
-	if ((mid_val % 1024UL) >= 512UL) {
-		capvalue_k++;
+	/* Encoding of desired capacitance (single ended) to value required for INTCAP core
+	 * calculation: (CAP_VAL - 4 pF)* 0.5
+	 * That translate to ((CAP_VAL_FEMTO_F - 4000fF) * 2UL) / 1000UL
+	 *
+	 * NOTE: The desired capacitance value is used in encoded from in INTCAP calculation formula
+	 *       That is different than in case of HFXO.
+	 */
+	uint32_t cap_val_encoded = (((DT_PROP(LFXO_NODE, load_capacitance_femtofarad) - 4000UL)
+				     * 2UL) / 1000UL);
+
+	/* Calculation of INTCAP code before rounding. Min that calculations here are done on
+	 * values multiplied by 2^9, e.g. 0.765625 * 2^9 = 392.
+	 * offset_k should be divided by 2^6, but to add it to value shifted by 2^9 we have to
+	 * multiply it be 2^3.
+	 */
+	uint32_t mid_val = (cap_val_encoded - 4UL) * (uint32_t)(slope_k + 392UL)
+			   + (offset_k << 3UL);
+
+	/* Get integer part of the INTCAP code */
+	uint32_t lfxo_intcap = mid_val >> 9UL;
+
+	/* Round based on fractional part */
+	if ((mid_val & BIT_MASK(9)) > (BIT_MASK(9) / 2)) {
+		lfxo_intcap++;
 	}
-	nrf_oscillators_lfxo_cap_set(NRF_OSCILLATORS, (nrf_oscillators_lfxo_cap_t)capvalue_k);
+
+	nrf_oscillators_lfxo_cap_set(NRF_OSCILLATORS, lfxo_intcap);
 #elif DT_ENUM_HAS_VALUE(LFXO_NODE, load_capacitors, external)
 	nrf_oscillators_lfxo_cap_set(NRF_OSCILLATORS, (nrf_oscillators_lfxo_cap_t)0);
 #endif